VDB
DEBIAN-CVE-2026-28802
DEBIAN-CVE-2026-28802
PUBLISHED
CVSS 9.800000190734863 CRITICAL
Authlib is a Python library which builds OAuth and OpenID Connect servers. From version 1.6.5 to before version 1.6.7, previous tests involving passing a malicious JWT containing alg: none and an empty signature was passing the signature verification step without any changes to the application code when a failure was expected.. This issue has been patched in version 1.6.7.
Risk Scores
CVSS 3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:13 | python-authlib | 0, 1.6.0-1, 1.6.0-1+deb13u1 |
| Debian:14 | python-authlib | 0, 1.6.0-1, 1.6.1-1 |
Exploit Intelligence
- oidc.ts (github-poc)
Timeline
- Mar 6, 2026 CVE Published
- Apr 28, 2026 CVE Updated