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Affected Component
Analysis
python-pyjwt
Exploitable
Name
CVE-2026-102269
Description
PyJWT is a Python implementation of JSON Web Token standards. Prior to 2.14.0, PyJWT signature segment is affected because signature segment decoding accepts characters outside the canonical Base64URL representation. This occurs when non-Base64URL characters are appended to a valid compact JWS signature segment. As a result, base64url_decode produces the same signature bytes for different serialized segments. Consequently, raw-token revocation checks can fail to recognize an equivalent modified token. This issue is fixed in version 2.14.0.
CWEs
Published Date
Updated Date
Workaround
-
Analysis#
Vulnerability Ratings#
4.8
CVSSv31
5.4
CVSSv31
NaN
other
Others affected component#
Name
Project
Project Version
Version
Status
buildroot
master
2.15.1
Not Affected