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

🗓️ 29 Sep 2026 23:11:51Reported by GitHub Advisory DatabaseType 
github
 github🔗 github.com👁 79 Views

Unauthenticated DoS in PyJWT PyJWKClient via unbounded JWKS fetches on unknown kids.

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Vulners
Node
pyjwt_projectpyjwtRange≤2.13.0pip

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29 Sep 2026 23:11Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.15.3 - 7.5
EPSS0.00428
SSVC
CWE-770
PyJWTPyJWKClientDoSJWKSkid
79