{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-82739","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-09-01T12:43:57.417588Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-09-01T12:44:21.482Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"references":[{"tags":["exploit"],"url":"https://github.com/ash-project/ash/security/advisories/GHSA-66cg-vj5m-8w7v"}],"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"collectionURL":"https://repo.hex.pm","cpes":["cpe:2.3:a:ash-project:ash:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["'Elixir.Ash.Resource.Validation.Confirm'"],"packageName":"ash","packageURL":"pkg:hex/ash","product":"ash","programFiles":["lib/ash/resource/validation/confirm.ex"],"programRoutines":[{"name":"'Elixir.Ash.Resource.Validation.Confirm':atomic/2"}],"repo":"https://github.com/ash-project/ash","vendor":"ash-project","versions":[{"lessThan":"3.32.2","status":"affected","version":"2.17.20","versionType":"semver"}]},{"collectionURL":"https://github.com","cpes":["cpe:2.3:a:ash-project:ash:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["'Elixir.Ash.Resource.Validation.Confirm'"],"packageName":"ash-project/ash","packageURL":"pkg:github/ash-project/ash","product":"ash","programFiles":["lib/ash/resource/validation/confirm.ex"],"programRoutines":[{"name":"'Elixir.Ash.Resource.Validation.Confirm':atomic/2"}],"repo":"https://github.com/ash-project/ash","vendor":"ash-project","versions":[{"lessThan":"7dfe5f0b1ba4267580ded947dc861351d4dc8e2b","status":"affected","version":"fadecf3ee95640bd3bc7298df4799e0375537fd2","versionType":"git"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:ash-project:ash:*:*:*:*:*:*:*:*","versionEndExcluding":"3.32.2","versionStartIncluding":"2.17.20","vulnerable":true}],"negate":false,"operator":"OR"}],"operator":"AND"}],"credits":[{"lang":"en","type":"coordinator","value":"Jonatan Männchen / EEF"},{"lang":"en","type":"reporter","value":"Peter Ullrich"},{"lang":"en","type":"remediation developer","value":"Zach Daniel / Ash Project"},{"lang":"en","type":"finder","value":"Peter Ullrich"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>Generation of Error Message Containing Sensitive Information vulnerability in ash-project ash discloses the stored value of a confirmed field to an actor who fails its confirmation check.</p>\n<p><code>Ash.Resource.Validation.Confirm</code>'s atomic implementation (<code>atomic/2</code> in <code>lib/ash/resource/validation/confirm.ex</code>) built the mismatch error with its <code>value</code> set to the field being confirmed. When the actor supplies only the confirmation argument and not the field itself, <code>value</code> resolves through <code>atomic_ref/2</code> to the field's current stored value, so the mismatch error echoes that stored value back to the actor. Against a confirmation guarding a sensitive attribute, an actor can submit a deliberately wrong confirmation and read the real value from the returned error. The fix reports the actor-supplied confirmation in the error instead of the stored field value.</p>\n<p>This issue affects ash: from 2.17.20 before 3.32.2.</p>"},{"base64":false,"type":"text/markdown","value":"Generation of Error Message Containing Sensitive Information vulnerability in ash-project ash discloses the stored value of a confirmed field to an actor who fails its confirmation check.\n\n`Ash.Resource.Validation.Confirm`'s atomic implementation (`atomic/2` in `lib/ash/resource/validation/confirm.ex`) built the mismatch error with its `value` set to the field being confirmed. When the actor supplies only the confirmation argument and not the field itself, `value` resolves through `atomic_ref/2` to the field's current stored value, so the mismatch error echoes that stored value back to the actor. Against a confirmation guarding a sensitive attribute, an actor can submit a deliberately wrong confirmation and read the real value from the returned error. The fix reports the actor-supplied confirmation in the error instead of the stored field value.\n\nThis issue affects ash: from 2.17.20 before 3.32.2."}],"value":"Generation of Error Message Containing Sensitive Information vulnerability in ash-project ash discloses the stored value of a confirmed field to an actor who fails its confirmation check.\n\nAsh.Resource.Validation.Confirm's atomic implementation (atomic/2 in lib/ash/resource/validation/confirm.ex) built the mismatch error with its value set to the field being confirmed. When the actor supplies only the confirmation argument and not the field itself, value resolves through atomic_ref/2 to the field's current stored value, so the mismatch error echoes that stored value back to the actor. Against a confirmation guarding a sensitive attribute, an actor can submit a deliberately wrong confirmation and read the real value from the returned error. The fix reports the actor-supplied confirmation in the error instead of the stored field value.\n\nThis issue affects ash: from 2.17.20 before 3.32.2."}],"impacts":[{"capecId":"CAPEC-54","descriptions":[{"lang":"en","value":"CAPEC-54 Query System for Information"}]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"LOCAL","baseScore":2.1,"baseSeverity":"LOW","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-209","description":"CWE-209 Generation of Error Message Containing Sensitive Information","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-09-01T03:27:58.165Z","orgId":"6b3ad84c-e1a6-4bf7-a703-f496b71e49db","shortName":"EEF"},"references":[{"tags":["vendor-advisory","related"],"url":"https://github.com/ash-project/ash/security/advisories/GHSA-66cg-vj5m-8w7v"},{"tags":["related"],"url":"https://cna.erlef.org/cves/CVE-2026-82739.html"},{"tags":["related"],"url":"https://osv.dev/vulnerability/EEF-CVE-2026-82739"},{"tags":["patch"],"url":"https://github.com/ash-project/ash/commit/7dfe5f0b1ba4267580ded947dc861351d4dc8e2b"}],"source":{"discovery":"EXTERNAL"},"title":"Ash.Resource.Validation.Confirm leaks a confirmed field's stored value in the atomic mismatch error"}},"cveMetadata":{"assignerOrgId":"6b3ad84c-e1a6-4bf7-a703-f496b71e49db","assignerShortName":"EEF","cveId":"CVE-2026-82739","datePublished":"2026-09-01T03:27:58.165Z","dateReserved":"2026-08-31T00:59:10.002Z","dateUpdated":"2026-09-01T12:44:21.482Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"}