PyPI/pyjwt CVE-2026-48526: high 7.4, EPSS 0.43%
PyJWT: Public-key JWK accepted as HMAC secret enables forged HS256 tokens when mixed families are allowed
Action: Upgrade pyjwt to 2.13.0 or later.
pip install pyjwt==2.13.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 2.13.0 | - |
Fixed versions
| 2.13.0 |
Sources
- osv: GHSA-xgmm-8j9v-c9wx
- https://github.com/jpadilla/pyjwt/security/advisories/GHSA-xgmm-8j9v-c9wx
- https://nvd.nist.gov/vuln/detail/CVE-2026-48526
- https://github.com/jpadilla/pyjwt
- https://github.com/pypa/advisory-database/tree/main/vulns/pyjwt/PYSEC-2026-179.yaml
CVE-2026-48526 · published · modified · JSON