CVE-2026-48523
2 advisories.
PyPI/pyjwt CVE-2026-48523: medium 5.4
PyJWT: Algorithm allow-list bypass when decoding with `PyJWK` / `PyJWKClient` keys
Action: Upgrade pyjwt to 2.13.0 or later.
pip install pyjwt==2.13.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 2.9.0 | 2.13.0 | - |
Fixed versions
| 2.13.0 |
Sources
- osv: GHSA-jq35-7prp-9v3f
- https://github.com/jpadilla/pyjwt/security/advisories/GHSA-jq35-7prp-9v3f
- https://nvd.nist.gov/vuln/detail/CVE-2026-48523
- https://github.com/jpadilla/pyjwt
- https://github.com/pypa/advisory-database/tree/main/vulns/pyjwt/PYSEC-2026-176.yaml
CVE-2026-48523 · published · modified · JSON
PyPI/pyjwt CVE-2026-48523: medium 5.4
PyJWT is a JSON Web Token implementation in Python. From 2.9.0 to 2.12.1, there is a verifier-side algorithm allow-list bypass when jwt.decode() or jwt.decode_complete() are called with a PyJWK key. T
Action: Upgrade pyjwt to 2.12.1 or later.
pip install pyjwt==2.12.1Affected
| introduced | fixed | last affected |
|---|---|---|
| 2.9.0 | 2.12.1 | - |
Fixed versions
| 2.12.1 |
Sources
CVE-2026-48523 · published · modified · JSON