vulnerability · Tue 29 Sep 2026 · 23:15 UTC
GHSA-9v7f-9g4p-ffgj: PyJWT: PyJWKClient follows redirects when fetching JWKS
Filed UTCSource GTH ↗
PyJWT 2.13.0 PyJWKClient followed HTTP redirects while fetching a JWKS, without validating the redirect destination. A configured trusted endpoint could therefore redirect the client to a different host. ### Impact When an application uses PyJWKClient with caller-supplied request headers and an attacker can influence the configured endpoint's response, the redirected request could expose those headers and the redirected response could be used as authoritative key material. …
Signals
as the pipeline stamped them- High
- High-risk vulnerability — CVSS 7.4
CVE
KEV from CISA · EPSS from FIRST| Id | KEV | EPSS | Reference |
|---|---|---|---|
| CVE-2026-102267 | — | 0.16% | NVD ↗ |
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