CVE-2026-55669

{"id": "CVE-2026-55669", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-55669", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-10T18:16:38.817721Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.2, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 2.5, "exploitabilityScore": 1.6}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "zitadel", "product": "zitadel", "versions": [{"status": "affected", "version": ">= 4.0.0-rc.1, < 4.15.2"}, {"status": "affected", "version": "< 3.4.12"}]}]}], "published": "2026-07-10T17:16:59.460", "references": [{"url": "https://github.com/zitadel/zitadel/releases/tag/v3.4.12", "source": "security-advisories@github.com"}, {"url": "https://github.com/zitadel/zitadel/releases/tag/v4.15.2", "source": "security-advisories@github.com"}, {"url": "https://github.com/zitadel/zitadel/security/advisories/GHSA-g5h5-m4hm-xjrr", "source": "security-advisories@github.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-346"}]}], "descriptions": [{"lang": "en", "value": "ZITADEL is an open source identity management platform. Prior to 3.4.12 and 4.15.2, ZITADEL's external JWT Identity Provider validates a token's signature and issuer (iss) but not the audience (aud) claim, allowing a validly signed token from a trusted issuer for another relying party to be accepted by ZITADEL. This issue is fixed in versions 3.4.12 and 4.15.2."}], "lastModified": "2026-07-10T19:17:25.870", "sourceIdentifier": "security-advisories@github.com"}