PyPI/authlib CVE-2026-27962: critical 9.1, EPSS 0.57%
Authlib JWS JWK Header Injection: Signature Verification Bypass
Action: Upgrade authlib to 1.6.9 or later.
pip install authlib==1.6.9Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.6.9 | - |
Fixed versions
| 1.6.9 |
Sources
- osv: GHSA-wvwj-cvrp-7pv5
- https://github.com/authlib/authlib/security/advisories/GHSA-wvwj-cvrp-7pv5
- https://nvd.nist.gov/vuln/detail/CVE-2026-27962
- https://github.com/authlib/authlib/commit/a5d4b2d4c9e46bfa11c82f85fdc2bcc0b50ae681
- https://github.com/authlib/authlib
- https://github.com/authlib/authlib/releases/tag/v1.6.9
CVE-2026-27962 · published · modified · JSON