293 lines
15 KiB
JSON
293 lines
15 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-2026-82731",
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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": "2026-08-31T00:59:08.960Z",
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"datePublished": "2026-09-01T02:09:38.801Z",
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"dateUpdated": "2026-09-01T15:13:54.605Z"
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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.Codegen.RouteRenderer'"
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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/codegen/route_renderer.ex"
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],
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"programRoutines": [
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{
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"name": "'Elixir.AshTypescript.TypedController.Codegen.RouteRenderer':build_url_template_to_variable/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.Codegen.RouteRenderer'"
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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/codegen/route_renderer.ex"
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],
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"programRoutines": [
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{
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"name": "'Elixir.AshTypescript.TypedController.Codegen.RouteRenderer':build_url_template_to_variable/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": "5165f752f5f92b755d946f2d1ce750ff69083ffc",
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"status": "affected",
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"version": "6669e22ece34b4534e706a46d1842f01b68ee23a",
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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 ships a TypeScript client generated by AshTypescript for a typed-controller route taking a path parameter, and passes untrusted input as that parameter.</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 ships a TypeScript client generated by AshTypescript for a typed-controller route taking a path parameter, and passes untrusted input as that parameter."
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}
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],
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"value": "The application ships a TypeScript client generated by AshTypescript for a typed-controller route taking a path parameter, and passes untrusted input as that parameter."
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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>URL Redirection to Untrusted Site ('Open Redirect') vulnerability in ash-project ash_typescript allows an attacker who controls a path-parameter value to redirect a generated client's request, and the credentials attached to it, to an unintended route or an external origin.</p>\n<p>The URL builders in <code>lib/ash_typescript/typed_controller/codegen/route_renderer.ex</code> replace each <code>:param</code> placeholder with a bare template interpolation and never call <code>encodeURIComponent</code>, so the value reaches <code>executeTypedControllerRequest</code> raw. A value containing <code>../</code> is normalised away by the fetch URL resolver and reaches a different route, while <code>?</code> or <code>#</code> truncates the path and can smuggle or override query parameters. For a route whose path begins with a parameter, a value such as <code>/evil.example.com/x</code> yields the protocol-relative URL <code>//evil.example.com/x</code>, sending the request and the credentials from <code>TypedControllerConfig</code> to an attacker-controlled host. Nothing constrains the value at runtime: <code>get_path_param_type/2</code> emits only a TypeScript type, which is erased.</p>\n<p>The query-string path is unaffected, since <code>URLSearchParams.set</code> encodes its own values.</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": "URL Redirection to Untrusted Site ('Open Redirect') vulnerability in ash-project ash_typescript allows an attacker who controls a path-parameter value to redirect a generated client's request, and the credentials attached to it, to an unintended route or an external origin.\n\nThe URL builders in `lib/ash_typescript/typed_controller/codegen/route_renderer.ex` replace each `:param` placeholder with a bare template interpolation and never call `encodeURIComponent`, so the value reaches `executeTypedControllerRequest` raw. A value containing `../` is normalised away by the fetch URL resolver and reaches a different route, while `?` or `#` truncates the path and can smuggle or override query parameters. For a route whose path begins with a parameter, a value such as `/evil.example.com/x` yields the protocol-relative URL `//evil.example.com/x`, sending the request and the credentials from `TypedControllerConfig` to an attacker-controlled host. Nothing constrains the value at runtime: `get_path_param_type/2` emits only a TypeScript type, which is erased.\n\nThe query-string path is unaffected, since `URLSearchParams.set` encodes its own values.\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": "URL Redirection to Untrusted Site ('Open Redirect') vulnerability in ash-project ash_typescript allows an attacker who controls a path-parameter value to redirect a generated client's request, and the credentials attached to it, to an unintended route or an external origin.\n\nThe URL builders in lib/ash_typescript/typed_controller/codegen/route_renderer.ex replace each :param placeholder with a bare template interpolation and never call encodeURIComponent, so the value reaches executeTypedControllerRequest raw. A value containing ../ is normalised away by the fetch URL resolver and reaches a different route, while ? or # truncates the path and can smuggle or override query parameters. For a route whose path begins with a parameter, a value such as /evil.example.com/x yields the protocol-relative URL //evil.example.com/x, sending the request and the credentials from TypedControllerConfig to an attacker-controlled host. Nothing constrains the value at runtime: get_path_param_type/2 emits only a TypeScript type, which is erased.\n\nThe query-string path is unaffected, since URLSearchParams.set encodes its own values.\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-72",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-72 URL Encoding"
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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": 2.3,
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"baseSeverity": "LOW",
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"privilegesRequired": "NONE",
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"providerUrgency": "NOT_DEFINED",
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"subAvailabilityImpact": "NONE",
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"subConfidentialityImpact": "LOW",
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"subIntegrityImpact": "NONE",
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"userInteraction": "PASSIVE",
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"valueDensity": "NOT_DEFINED",
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:N/SA:N",
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"version": "4.0",
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"vulnAvailabilityImpact": "NONE",
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"vulnConfidentialityImpact": "LOW",
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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-601",
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"description": "CWE-601 URL Redirection to Untrusted Site ('Open Redirect')",
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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": "2026-09-01T02:09:38.801Z"
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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-6g23-p936-fm2f"
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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-2026-82731.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-2026-82731"
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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/5165f752f5f92b755d946f2d1ce750ff69083ffc"
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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": "Unescaped path parameters in AshTypescript generated TypeScript client allow request redirection"
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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-6g23-p936-fm2f",
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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": "2026-09-01T15:13:34.848553Z",
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"id": "CVE-2026-82731",
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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": "2026-09-01T15:13:54.605Z"
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}
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}
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]
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}
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} |