ZITADEL's truncated opaque tokens are still valid in github.com/zitadel/zitadel
ZITADEL's truncated opaque tokens are still valid 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 from v3.0.0 before v3.4.7; github.com/zitadel/zitadel from v4.0.0 before v4.11.0.
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-27840US | — | — | ||
ZITADEL is an open source identity management platform. Starting in version 2.31.0 and prior to versions 3.4.7 and 4.11.0, opaque OIDC access tokens in the v2 format truncated to 8… | ||||
references
External citations — patches, advisories, analysis.
- https://github.com/zitadel/zitadel/commit/feab8e1fa371f3ad654640fc869b2c14f2fdb602FIX
- https://github.com/zitadel/zitadel/releases/tag/v2.71.19WEB
- https://github.com/zitadel/zitadel/releases/tag/v3.4.7WEB
- https://github.com/zitadel/zitadel/releases/tag/v4.11.0WEB
- https://github.com/zitadel/zitadel/security/advisories/GHSA-6mq3-xmgp-pjm5ADVISORY
- https://nvd.nist.gov/vuln/detail/CVE-2026-27840ADVISORY
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