299 lines
16 KiB
JSON
299 lines
16 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-82732",
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"assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
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"state": "PUBLISHED",
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"assignerShortName": "EEF",
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"dateReserved": "2026-08-31T00:59:10.001Z",
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"datePublished": "2026-09-01T02:09:15.070Z",
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"dateUpdated": "2026-09-01T14:55:02.304Z"
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},
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"containers": {
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"cna": {
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"affected": [
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{
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"collectionURL": "https://repo.hex.pm",
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"cpes": [
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"cpe:2.3:a:ash-project:ash_typescript:*:*:*:*:*:*:*:*"
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],
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"defaultStatus": "unaffected",
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"modules": [
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"'Elixir.AshTypescript.TypedController.RequestHandler'"
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],
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"packageName": "ash_typescript",
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"packageURL": "pkg:hex/ash_typescript",
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"product": "ash_typescript",
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"programFiles": [
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"lib/ash_typescript/typed_controller/request_handler.ex"
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],
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"programRoutines": [
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{
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"name": "'Elixir.AshTypescript.TypedController.RequestHandler':cast_arguments/2"
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},
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{
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"name": "'Elixir.AshTypescript.TypedController.RequestHandler':handle/4"
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}
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],
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"repo": "https://github.com/ash-project/ash_typescript",
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"vendor": "ash-project",
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"versions": [
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{
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"lessThan": "0.18.0",
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"status": "affected",
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"version": "0.15.0",
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"versionType": "semver"
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}
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]
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},
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{
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"collectionURL": "https://github.com",
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"cpes": [
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"cpe:2.3:a:ash-project:ash_typescript:*:*:*:*:*:*:*:*"
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],
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"defaultStatus": "unaffected",
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"modules": [
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"'Elixir.AshTypescript.TypedController.RequestHandler'"
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],
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"packageName": "ash-project/ash_typescript",
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"packageURL": "pkg:github/ash-project/ash_typescript",
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"product": "ash_typescript",
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"programFiles": [
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"lib/ash_typescript/typed_controller/request_handler.ex"
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],
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"programRoutines": [
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{
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"name": "'Elixir.AshTypescript.TypedController.RequestHandler':cast_arguments/2"
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},
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{
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"name": "'Elixir.AshTypescript.TypedController.RequestHandler':handle/4"
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}
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],
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"repo": "https://github.com/ash-project/ash_typescript",
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"vendor": "ash-project",
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"versions": [
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{
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"lessThan": "21ab6f1229a4dccdb56bc37ed437d9672a0c4a4e",
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"status": "affected",
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"version": "546a15e1a2d7dbf1df2d5a6ee4404bc3da87852e",
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"versionType": "git"
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}
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]
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}
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],
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"configurations": [
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{
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"lang": "en",
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"supportingMedia": [
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{
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"base64": false,
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"type": "text/html",
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"value": "<p>The application exposes an AshTypescript typed controller over HTTP with at least one route argument carrying a <code>constraints</code> declaration that gates application behaviour.</p>"
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},
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{
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"base64": false,
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"type": "text/markdown",
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"value": "The application exposes an AshTypescript typed controller over HTTP with at least one route argument carrying a `constraints` declaration that gates application behaviour."
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}
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],
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"value": "The application exposes an AshTypescript typed controller over HTTP with at least one route argument carrying a constraints declaration that gates application behaviour."
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"cpeMatch": [
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{
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"criteria": "cpe:2.3:a:ash-project:ash_typescript:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "0.18.0",
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"versionStartIncluding": "0.15.0",
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"vulnerable": true
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}
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],
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"negate": false,
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"operator": "OR"
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}
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],
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"operator": "AND"
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}
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],
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"credits": [
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{
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"lang": "en",
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"type": "finder",
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"value": "Peter Ullrich"
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},
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{
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"lang": "en",
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"type": "reporter",
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"value": "Peter Ullrich"
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},
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{
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"lang": "en",
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"type": "remediation developer",
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"value": "Torkild Gundersen Kjevik / Ash Project"
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},
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{
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"lang": "en",
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"type": "coordinator",
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"value": "Jonatan Männchen / EEF"
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"supportingMedia": [
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{
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"base64": false,
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"type": "text/html",
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"value": "<p>Improper Input Validation vulnerability in ash-project ash_typescript allows a remote attacker to submit argument values outside a declared allowlist or bound on typed-controller routes.</p>\n<p><code>AshTypescript.TypedController.RequestHandler</code> in <code>lib/ash_typescript/typed_controller/request_handler.ex</code> calls <code>Ash.Type.cast_input/3</code> and treats an <code>{:ok, cast}</code> result as fully validated. In Ash these are separate steps: <code>cast_input/3</code> only coerces the term, while every constraint declared on the argument is applied by <code>Ash.Type.apply_constraints/3</code>, which this path never calls. Constraints such as <code>one_of</code>, <code>max_length</code>, <code>min</code> and <code>max</code>, and <code>match</code> are therefore inert, so a value outside a declared allowlist is accepted and passed to the route handler. Codegen renders the same constraints into the generated TypeScript types, so an allowlist appears enforced to a TypeScript caller while any other HTTP client ignores it. Empty-string to <code>nil</code> normalization also lives in <code>apply_constraints</code>, so the <code>allow_nil?: false</code> check accepts <code>\"\"</code> for a required argument.</p>\n<p>Where a constraint gates a role, a status, or a sort direction, this becomes a privilege or state-machine bypass.</p>\n<p>This issue affects ash_typescript: from 0.15.0 before 0.18.0.</p>"
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},
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{
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"base64": false,
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"type": "text/markdown",
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"value": "Improper Input Validation vulnerability in ash-project ash_typescript allows a remote attacker to submit argument values outside a declared allowlist or bound on typed-controller routes.\n\n`AshTypescript.TypedController.RequestHandler` in `lib/ash_typescript/typed_controller/request_handler.ex` calls `Ash.Type.cast_input/3` and treats an `{:ok, cast}` result as fully validated. In Ash these are separate steps: `cast_input/3` only coerces the term, while every constraint declared on the argument is applied by `Ash.Type.apply_constraints/3`, which this path never calls. Constraints such as `one_of`, `max_length`, `min` and `max`, and `match` are therefore inert, so a value outside a declared allowlist is accepted and passed to the route handler. Codegen renders the same constraints into the generated TypeScript types, so an allowlist appears enforced to a TypeScript caller while any other HTTP client ignores it. Empty-string to `nil` normalization also lives in `apply_constraints`, so the `allow_nil?: false` check accepts `\"\"` for a required argument.\n\nWhere a constraint gates a role, a status, or a sort direction, this becomes a privilege or state-machine bypass.\n\nThis issue affects ash_typescript: from 0.15.0 before 0.18.0."
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}
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],
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"value": "Improper Input Validation vulnerability in ash-project ash_typescript allows a remote attacker to submit argument values outside a declared allowlist or bound on typed-controller routes.\n\nAshTypescript.TypedController.RequestHandler in lib/ash_typescript/typed_controller/request_handler.ex calls Ash.Type.cast_input/3 and treats an {:ok, cast} result as fully validated. In Ash these are separate steps: cast_input/3 only coerces the term, while every constraint declared on the argument is applied by Ash.Type.apply_constraints/3, which this path never calls. Constraints such as one_of, max_length, min and max, and match are therefore inert, so a value outside a declared allowlist is accepted and passed to the route handler. Codegen renders the same constraints into the generated TypeScript types, so an allowlist appears enforced to a TypeScript caller while any other HTTP client ignores it. Empty-string to nil normalization also lives in apply_constraints, so the allow_nil?: false check accepts \"\" for a required argument.\n\nWhere a constraint gates a role, a status, or a sort direction, this becomes a privilege or state-machine bypass.\n\nThis issue affects ash_typescript: from 0.15.0 before 0.18.0."
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}
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],
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"impacts": [
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{
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"capecId": "CAPEC-153",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-153 Input Data Manipulation"
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}
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]
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}
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],
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"metrics": [
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{
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"cvssV4_0": {
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"Automatable": "NOT_DEFINED",
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"Recovery": "NOT_DEFINED",
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"Safety": "NOT_DEFINED",
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"attackComplexity": "LOW",
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"attackRequirements": "PRESENT",
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"attackVector": "NETWORK",
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"baseScore": 6.3,
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"baseSeverity": "MEDIUM",
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"privilegesRequired": "NONE",
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"providerUrgency": "NOT_DEFINED",
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"subAvailabilityImpact": "NONE",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"userInteraction": "NONE",
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"valueDensity": "NOT_DEFINED",
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
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"version": "4.0",
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"vulnAvailabilityImpact": "NONE",
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"vulnConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "LOW",
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"vulnerabilityResponseEffort": "NOT_DEFINED"
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},
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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]
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-20",
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"description": "CWE-20 Improper Input Validation",
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"lang": "en",
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"type": "CWE"
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}
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]
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}
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],
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"providerMetadata": {
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"orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
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"shortName": "EEF",
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"dateUpdated": "2026-09-01T02:09:15.070Z"
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},
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"references": [
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{
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"tags": [
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"related",
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"vendor-advisory"
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],
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"url": "https://github.com/ash-project/ash_typescript/security/advisories/GHSA-f7fq-hwq6-jhvv"
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},
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{
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"tags": [
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"related"
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],
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"url": "https://cna.erlef.org/cves/CVE-2026-82732.html"
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},
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{
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"tags": [
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"related"
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],
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"url": "https://osv.dev/vulnerability/EEF-CVE-2026-82732"
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},
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{
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"tags": [
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"patch"
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],
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"url": "https://github.com/ash-project/ash_typescript/commit/21ab6f1229a4dccdb56bc37ed437d9672a0c4a4e"
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}
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],
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"source": {
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"discovery": "EXTERNAL"
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},
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"title": "Declared argument constraints not enforced on AshTypescript typed controller routes"
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},
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"adp": [
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{
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"references": [
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{
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"url": "https://github.com/ash-project/ash_typescript/security/advisories/GHSA-f7fq-hwq6-jhvv",
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"tags": [
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"exploit"
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]
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}
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],
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-09-01T14:54:31.577510Z",
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"id": "CVE-2026-82732",
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"options": [
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{
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"Exploitation": "poc"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-09-01T14:55:02.304Z"
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}
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}
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]
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}
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} |