PyPI/joserfc CVE-2026-48990: medium 5.3, EPSS 0.16%
joserfc: b64=false RFC7797 JWS payloads bypass JWSRegistry payload-size limits during deserialization
Action: Upgrade joserfc to 1.6.7 or later.
pip install joserfc==1.6.7Affected
| introduced | fixed | last affected |
|---|---|---|
| 1.3.4 | 1.6.7 | - |
Fixed versions
| 1.6.7 |
Sources
- osv: GHSA-wphv-vfrh-23q5
- https://github.com/authlib/joserfc/security/advisories/GHSA-wphv-vfrh-23q5
- https://nvd.nist.gov/vuln/detail/CVE-2026-48990
- https://github.com/authlib/joserfc
- https://github.com/authlib/joserfc/releases/tag/1.6.7
CVE-2026-48990 · published · modified · JSON