Insufficient Session Expiration Affecting github.com/zitadel/zitadel/internal/idp/providers/jwt package, versions <3.4.12>=4.0.0-rc.1 <4.15.2
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-GOLANG-GITHUBCOMZITADELZITADELINTERNALIDPPROVIDERSJWT-17950994
- published11 Jul 2026
- disclosed10 Jul 2026
- creditUnknown
Introduced: 10 Jul 2026
CVE-2026-56665 Â (opens in a new tab)How to fix?
Upgrade github.com/zitadel/zitadel/internal/idp/providers/jwt to version 3.4.12, 4.15.2 or higher.
Overview
Affected versions of this package are vulnerable to Insufficient Session Expiration in the session process. An attacker can bypass token expiration enforcement by providing a JWT without the exp claim, resulting in tokens from trusted issuers being accepted indefinitely.