275 lines
13 KiB
JSON
275 lines
13 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-2026-82744",
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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": "2026-08-31T01:00:09.774Z",
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"datePublished": "2026-09-01T03:39:42.668Z",
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"dateUpdated": "2026-09-01T15:15:56.042Z"
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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:*:*:*:*:*:*:*:*"
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],
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"defaultStatus": "unaffected",
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"modules": [
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"'Elixir.Ash.Reactor.ChangeStep'"
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],
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"packageName": "ash",
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"packageURL": "pkg:hex/ash",
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"product": "ash",
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"programFiles": [
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"lib/ash/reactor/steps/change_step.ex"
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],
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"programRoutines": [
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{
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"name": "'Elixir.Ash.Reactor.ChangeStep':apply_where_clauses/3"
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}
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],
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"repo": "https://github.com/ash-project/ash",
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"vendor": "ash-project",
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"versions": [
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{
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"lessThan": "3.32.2",
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"status": "affected",
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"version": "3.0.0-rc.17",
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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:*:*:*:*:*:*:*:*"
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],
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"defaultStatus": "unaffected",
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"modules": [
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"'Elixir.Ash.Reactor.ChangeStep'"
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],
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"packageName": "ash-project/ash",
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"packageURL": "pkg:github/ash-project/ash",
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"product": "ash",
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"programFiles": [
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"lib/ash/reactor/steps/change_step.ex"
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],
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"programRoutines": [
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{
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"name": "'Elixir.Ash.Reactor.ChangeStep':apply_where_clauses/3"
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}
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],
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"repo": "https://github.com/ash-project/ash",
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"vendor": "ash-project",
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"versions": [
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{
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"lessThan": "6d2eb86ea8d2ba5ffac89c1b8b9bf46e331feabc",
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"status": "affected",
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"version": "321f43bd05ad9544e693cbf797243693e51a6be4",
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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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"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:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "3.32.2",
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"versionStartIncluding": "3.0.0-rc.17",
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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": "coordinator",
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"value": "Jonatan Männchen / EEF"
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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": "Zach Daniel / Ash Project"
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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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"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>Not Failing Securely (Failing Open) vulnerability in ash-project ash skips an <code>Ash.Reactor</code> change when the guard controlling it raises, so a change meant to run does not.</p>\n<p>An <code>Ash.Reactor</code> <code>change</code> step can be gated by <code>where</code> validations that decide whether the change runs. <code>Ash.Reactor.ChangeStep</code> (<code>lib/ash/reactor/steps/change_step.ex</code>) evaluated those guards in <code>apply_where_clauses/3</code>, and <code>apply_validation</code> rescued any exception into <code>{:error, error}</code>. The reduce treated that identically to a guard whose condition was simply not met and bypassed the change. So when a guard raises (for example on attacker-influenced input), a change that enforces a security-relevant modification is skipped rather than failing the step. The fix distinguishes a raised exception (now <code>{:raised, error}</code>) and halts the step with an error, failing closed.</p>\n<p>This issue affects ash: from 3.0.0-rc.17 before 3.32.2.</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": "Not Failing Securely (Failing Open) vulnerability in ash-project ash skips an `Ash.Reactor` change when the guard controlling it raises, so a change meant to run does not.\n\nAn `Ash.Reactor` `change` step can be gated by `where` validations that decide whether the change runs. `Ash.Reactor.ChangeStep` (`lib/ash/reactor/steps/change_step.ex`) evaluated those guards in `apply_where_clauses/3`, and `apply_validation` rescued any exception into `{:error, error}`. The reduce treated that identically to a guard whose condition was simply not met and bypassed the change. So when a guard raises (for example on attacker-influenced input), a change that enforces a security-relevant modification is skipped rather than failing the step. The fix distinguishes a raised exception (now `{:raised, error}`) and halts the step with an error, failing closed.\n\nThis issue affects ash: from 3.0.0-rc.17 before 3.32.2."
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}
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],
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"value": "Not Failing Securely (Failing Open) vulnerability in ash-project ash skips an Ash.Reactor change when the guard controlling it raises, so a change meant to run does not.\n\nAn Ash.Reactor change step can be gated by where validations that decide whether the change runs. Ash.Reactor.ChangeStep (lib/ash/reactor/steps/change_step.ex) evaluated those guards in apply_where_clauses/3, and apply_validation rescued any exception into {:error, error}. The reduce treated that identically to a guard whose condition was simply not met and bypassed the change. So when a guard raises (for example on attacker-influenced input), a change that enforces a security-relevant modification is skipped rather than failing the step. The fix distinguishes a raised exception (now {:raised, error}) and halts the step with an error, failing closed.\n\nThis issue affects ash: from 3.0.0-rc.17 before 3.32.2."
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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": "LOCAL",
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"baseScore": 2.1,
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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": "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:L/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-636",
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"description": "CWE-636 Not Failing Securely ('Failing Open')",
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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": "2026-09-01T03:39:42.668Z"
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},
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"references": [
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{
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"tags": [
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"vendor-advisory",
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"related"
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],
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"url": "https://github.com/ash-project/ash/security/advisories/GHSA-3xq4-m876-fr88"
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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-2026-82744.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-2026-82744"
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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/commit/6d2eb86ea8d2ba5ffac89c1b8b9bf46e331feabc"
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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": "Ash.Reactor change step fails open, skipping a change when its where guard raises"
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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/security/advisories/GHSA-3xq4-m876-fr88",
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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": "2026-09-01T15:15:37.062501Z",
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"id": "CVE-2026-82744",
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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": "2026-09-01T15:15:56.042Z"
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}
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}
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]
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}
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} |