305 lines
16 KiB
JSON
305 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-2026-82730",
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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": "2026-09-01T02:09:01.851Z",
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"dateUpdated": "2026-09-01T14:54:16.008Z"
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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.Rpc.ResultProcessor'"
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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/rpc/result_processor.ex"
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],
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"programRoutines": [
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{
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"name": "'Elixir.AshTypescript.Rpc.ResultProcessor':normalize_primitive/1"
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},
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{
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"name": "'Elixir.AshTypescript.Rpc.ResultProcessor':normalize_value_for_json/1"
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},
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{
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"name": "'Elixir.AshTypescript.Rpc.ResultProcessor':normalize_resource_struct/2"
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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": "0.11.0",
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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.Rpc.ResultProcessor'"
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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/rpc/result_processor.ex"
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],
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"programRoutines": [
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{
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"name": "'Elixir.AshTypescript.Rpc.ResultProcessor':normalize_primitive/1"
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},
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{
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"name": "'Elixir.AshTypescript.Rpc.ResultProcessor':normalize_value_for_json/1"
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},
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{
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"name": "'Elixir.AshTypescript.Rpc.ResultProcessor':normalize_resource_struct/2"
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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": "aa7f9f1967b0bec806ac1156142267e805d70a55",
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"status": "affected",
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"version": "9cade7661a01b6e4d940386f482f48d148dbb1e6",
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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 RPC endpoint over HTTP and relies on Ash field policies to hide attributes on embedded resources that an action returns as a map.</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 RPC endpoint over HTTP and relies on Ash field policies to hide attributes on embedded resources that an action returns as a map."
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}
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],
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"value": "The application exposes an AshTypescript RPC endpoint over HTTP and relies on Ash field policies to hide attributes on embedded resources that an action returns as a map."
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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": "0.11.0",
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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>Incorrect Authorization vulnerability in ash-project ash_typescript allows an unauthorized RPC caller to read attribute values that Ash field policies denied.</p>\n<p>When a field policy denies an attribute, Ash substitutes <code>%Ash.ForbiddenField{}</code>, which retains the real value in <code>original_value</code> because embedded resources must remain writable, and hides it from <code>Inspect</code> rather than removing it. <code>AshTypescript.Rpc.ResultProcessor</code> strips these markers to <code>nil</code> on its template-driven paths, but <code>normalize_primitive/1</code> in <code>lib/ash_typescript/rpc/result_processor.ex</code> had no such clause, so a marker fell through to the generic struct branch which calls <code>Map.from_struct/1</code> and serializes every key, <code>original_value</code> included. The denied value is returned to the caller inside the marker that represents its own denial.</p>\n<p>The simplest trigger is an action returning an embedded resource as a map, which routes through <code>normalize_resource_struct/2</code> with an empty template. <code>normalize_value_for_json/1</code> is a public, unguarded entry point to the same path.</p>\n<p>This issue affects ash_typescript: from 0.11.0 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": "Incorrect Authorization vulnerability in ash-project ash_typescript allows an unauthorized RPC caller to read attribute values that Ash field policies denied.\n\nWhen a field policy denies an attribute, Ash substitutes `%Ash.ForbiddenField{}`, which retains the real value in `original_value` because embedded resources must remain writable, and hides it from `Inspect` rather than removing it. `AshTypescript.Rpc.ResultProcessor` strips these markers to `nil` on its template-driven paths, but `normalize_primitive/1` in `lib/ash_typescript/rpc/result_processor.ex` had no such clause, so a marker fell through to the generic struct branch which calls `Map.from_struct/1` and serializes every key, `original_value` included. The denied value is returned to the caller inside the marker that represents its own denial.\n\nThe simplest trigger is an action returning an embedded resource as a map, which routes through `normalize_resource_struct/2` with an empty template. `normalize_value_for_json/1` is a public, unguarded entry point to the same path.\n\nThis issue affects ash_typescript: from 0.11.0 before 0.18.0."
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}
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],
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"value": "Incorrect Authorization vulnerability in ash-project ash_typescript allows an unauthorized RPC caller to read attribute values that Ash field policies denied.\n\nWhen a field policy denies an attribute, Ash substitutes %Ash.ForbiddenField{}, which retains the real value in original_value because embedded resources must remain writable, and hides it from Inspect rather than removing it. AshTypescript.Rpc.ResultProcessor strips these markers to nil on its template-driven paths, but normalize_primitive/1 in lib/ash_typescript/rpc/result_processor.ex had no such clause, so a marker fell through to the generic struct branch which calls Map.from_struct/1 and serializes every key, original_value included. The denied value is returned to the caller inside the marker that represents its own denial.\n\nThe simplest trigger is an action returning an embedded resource as a map, which routes through normalize_resource_struct/2 with an empty template. normalize_value_for_json/1 is a public, unguarded entry point to the same path.\n\nThis issue affects ash_typescript: from 0.11.0 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-122",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-122 Privilege Abuse"
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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": 8.2,
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"baseSeverity": "HIGH",
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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:H/VI:N/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": "HIGH",
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"vulnIntegrityImpact": "NONE",
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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-863",
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"description": "CWE-863 Incorrect Authorization",
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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": "2026-09-01T02:09:01.851Z"
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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-6929-rjmh-4x62"
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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-2026-82730.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-2026-82730"
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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/aa7f9f1967b0bec806ac1156142267e805d70a55"
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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": "Authorization-redacted field values disclosed through AshTypescript result normalization"
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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-6929-rjmh-4x62",
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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": "2026-09-01T14:53:56.550522Z",
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"id": "CVE-2026-82730",
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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": "2026-09-01T14:54:16.008Z"
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}
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}
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]
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}
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} |