{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-55689","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-06-17T00:13:10.650Z","datePublished":"2026-07-09T21:06:22.543Z","dateUpdated":"2026-07-10T13:45:39.194Z"},"containers":{"cna":{"title":"OpenFGA: OIDC audience validation skipped when --authn-oidc-audience is unset","problemTypes":[{"descriptions":[{"cweId":"CWE-287","lang":"en","description":"CWE-287: Improper Authentication","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.8,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","version":"3.1"}}],"references":[{"name":"https://github.com/openfga/openfga/security/advisories/GHSA-hcxc-wf8j-23hv","tags":["x_refsource_CONFIRM"],"url":"https://github.com/openfga/openfga/security/advisories/GHSA-hcxc-wf8j-23hv"},{"name":"https://github.com/openfga/openfga/commit/44596773b2e62738720ef215bf7fa04352954271","tags":["x_refsource_MISC"],"url":"https://github.com/openfga/openfga/commit/44596773b2e62738720ef215bf7fa04352954271"},{"name":"https://github.com/openfga/helm-ch","tags":["x_refsource_MISC"],"url":"https://github.com/openfga/helm-ch"},{"name":"https://github.com/openfga/helm-charts/releases/tag/openfga-0.3.9","tags":["x_refsource_MISC"],"url":"https://github.com/openfga/helm-charts/releases/tag/openfga-0.3.9"},{"name":"https://github.com/openfga/openfga/releases/tag/v1.18.0","tags":["x_refsource_MISC"],"url":"https://github.com/openfga/openfga/releases/tag/v1.18.0"}],"affected":[{"vendor":"openfga","product":"openfga","versions":[{"version":"< 1.18.0","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-07-09T21:06:22.543Z"},"descriptions":[{"lang":"en","value":"OpenFGA is an authorization/permission engine built for developers. Prior to 1.18.0, OpenFGA's OIDC authenticator skipped JWT audience validation when authn.method was set to oidc, authn.oidc.issuer was configured, and authn.oidc.audience was not set, allowing a token minted for an unrelated service by the same identity provider to authenticate to OpenFGA. This issue is fixed in 1.18.0."}],"source":{"advisory":"GHSA-hcxc-wf8j-23hv","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-10T13:45:33.367225Z","id":"CVE-2026-55689","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-07-10T13:45:39.194Z"}}]}}