PyPI/pyjwt CVE-2026-101917: medium 5.3, EPSS 0.43%

PyJWT: PyJWKClient still amplifies unauthenticated JWKS fetches on unknown kid values (incomplete fix of CVE-2026-48524)

Action: Upgrade pyjwt to 2.14.0 or later.

pip install pyjwt==2.14.0

Affected

Fixed versions

Sources

• osv: PYSEC-2026-4140
• https://github.com/jpadilla/pyjwt/security/advisories/GHSA-2gx3-rcp4-g85q
• https://nvd.nist.gov/vuln/detail/CVE-2026-101917
• https://github.com/jpadilla/pyjwt/commit/ba4853a75fb9676362da17f67d0f64bd18afd4e1
• https://github.com/jpadilla/pyjwt
• https://github.com/jpadilla/pyjwt/releases/tag/2.14.0
• https://pypi.org/project/pyjwt
• https://github.com/advisories/GHSA-2gx3-rcp4-g85q

CVE-2026-101917 · published 2026-10-01T16:38:40.219548Z · modified 2026-10-01T17:45:16.627687100Z · JSON