CVE
CVE-2026-96760
Authlib library contains a signature‑verification bypass vulnerability
Authlib (v1.7.2 and below) contains a signature verification bypass vulnerability. The JsonWebSignature.deserialize_json() method accepts a JSON Serialization JWS object and returns the payload as successfully verified without checking for a signature and without requiring a cryptographic key.
Package Versions Affected
Package Version
patch Availability
No items found.
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CVSS Version
Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.8
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
C
H
U
9.8
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Related Resources
No items found.
References
https://kb.cert.org/vuls/id/762428, https://www.kb.cert.org/vuls/id/762428, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/96xxx/CVE-2026-96760.json, https://nvd.nist.gov/vuln/detail/CVE-2026-96760, https://github.com/authlib/authlib