Vulnerability Report: GO-2026-6474
- CVE-2026-56668, GHSA-vrh8-c9cm-wh8v
- Affects: github.com/zitadel/zitadel
- Published: Sep 16, 2026
ZITADEL: Unauthorized Token Privilege Escalation in OAuth2 Token Exchange in github.com/zitadel/zitadel. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. (If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.) The additional affected modules and versions are: github.com/zitadel/zitadel before v4.15.3.
For detailed information about this vulnerability, visit https://github.com/zitadel/zitadel/security/advisories/GHSA-vrh8-c9cm-wh8v or https://nvd.nist.gov/vuln/detail/CVE-2026-56668.
Affected Packages
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PathVersionsSymbols
Aliases
References
- 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
- https://vuln.go.dev/ID/GO-2026-6474.json
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