MEDIUM 5.3 Microsoft

CVE-2026-48525

PyJWT: Unauthenticated DoS via unbounded Base64URL decoding of unused payload segment in b64=false detached JWS

Microsoft Security Update 2026-May: PyJWT: Unauthenticated DoS via unbounded Base64URL decoding of unused payload segment in b64=false detached JWS

Affected Products

azl3 python-jwt 2.8.0-2 on Azure Linux 3.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48525
https://nvd.nist.gov/vuln/detail/CVE-2026-48525

Published: 2026-05-12 · Source: Microsoft · Feed updated: 2026-08-04

This medium severity vulnerability with a CVSS score of 5.3 was published on 2026-05-12 via Microsoft. Affected: azl3 python-jwt 2.8.0-2 on Azure Linux 3.0.

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