CVE-2026-102946
authlib joserfc
- authlib joserfc
- Critical
- CVSS 9.1
- EPSS 0.12%
- No fixed version listed
What to do
No fixed version listed
Affected products
| Product | Affected | Fixed in |
|---|---|---|
| authlib joserfc | < 1.7.4 | None listed |
Advisories and fixes
- Public exploit github.com
Scores and signals
- Exploitation
- No known exploitation
- Severity
- Critical, CVSS 9.1 (v3.1, scored by GitHub_M)
- EPSS
- 0.12% chance of exploitation in the next 30 days (EPSS from FIRST, as of Oct 25, 2026)
- CISA's SSVC decision points
- Exploitation: proof of concept. Automatable: yes. Technical impact: total. As of Oct 15, 2026.
- Weakness
- CWE-290: Authentication Bypass by Spoofing; CWE-345: Insufficient Verification of Data Authenticity; CWE-347: Improper Verification of Cryptographic Signature
- Vendor
- authlib, joserfc
Timeline
- First listed as critical by cve.now. Affected and fixed versions come from the CVE record, once one is published.