{"id":"GO-2026-6474","summary":"ZITADEL: Unauthorized Token Privilege Escalation in OAuth2 Token Exchange in github.com/zitadel/zitadel","details":"ZITADEL: Unauthorized Token Privilege Escalation in OAuth2 Token Exchange in github.com/zitadel/zitadel.\n\nNOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions.\n\n(If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.)\n\nThe additional affected modules and versions are: github.com/zitadel/zitadel before v4.15.3.","aliases":["CVE-2026-56668","GHSA-vrh8-c9cm-wh8v"],"modified":"2026-09-17T17:30:12.896228408Z","published":"2026-09-16T16:56:22Z","database_specific":{"url":"https://pkg.go.dev/vuln/GO-2026-6474","review_status":"UNREVIEWED"},"references":[{"type":"ADVISORY","url":"https://github.com/zitadel/zitadel/security/advisories/GHSA-vrh8-c9cm-wh8v"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56668"},{"type":"FIX","url":"https://github.com/zitadel/zitadel/commit/e2886a61670ca8fd41c9434f87036546e5620bcc"},{"type":"WEB","url":"https://github.com/zitadel/zitadel/releases/tag/v4.15.3"}],"affected":[{"package":{"name":"github.com/zitadel/zitadel","ecosystem":"Go","purl":"pkg:golang/github.com/zitadel/zitadel"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}],"ecosystem_specific":{"custom_ranges":[{"events":[{"introduced":"0"},{"fixed":"4.15.3"}],"type":"ECOSYSTEM"}]},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2026-6474.json"}}],"schema_version":"1.9.0"}