Categories
CVE-2025-31123

Zitadel Expired JWT Keys Usable for Authorization Grants

Summary

Zitadel Expired JWT Keys Usable for Authorization Grants

Original description

The description as published by the source.

Zitadel is open-source identity infrastructure software. A vulnerability existed where expired keys can be used to retrieve tokens. Specifically, ZITADEL fails to properly check the expiration date of the JWT key when used for Authorization Grants. This allows an attacker with an expired key to obtain valid access tokens. This vulnerability does not affect the use of JWT Profile for OAuth 2.0 Client Authentication on the Token and Introspection endpoints, which correctly reject expired keys. This vulnerability is fixed in 2.71.6, 2.70.8, 2.69.9, 2.68.9, 2.67.13, 2.66.16, 2.65.7, 2.64.6, and 2.63.9.

Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV

References

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