{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"github.com/zitadel/zitadel","cve_ids":["CVE-2026-56668"],"ecosystem":"Go","epss":0.00413,"exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-vrh8-c9cm-wh8v","id":"tcs_01M5KGTYKPGNQVCW6JT4N9Q746","modified_at":"2026-09-17T17:30:12.896228408Z","published_at":"2026-09-16T16:56:22Z","references":["https://osv.dev/vulnerability/GO-2026-6474","https://github.com/zitadel/zitadel/security/advisories/GHSA-vrh8-c9cm-wh8v","https://nvd.nist.gov/vuln/detail/CVE-2026-56668","https://github.com/zitadel/zitadel/commit/e2886a61670ca8fd41c9434f87036546e5620bcc","https://github.com/zitadel/zitadel/releases/tag/v4.15.3"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"GO-2026-6474","url":"https://osv.dev/vulnerability/GO-2026-6474"}],"summary":"ZITADEL: Unauthorized Token Privilege Escalation in OAuth2 Token Exchange in github.com/zitadel/zitadel"}