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Schedule54Critical9.8VulnerabilityCVE-2026-96760No patch link observed

CVE-2026-96760 — Authlib (v1.7.2 and below) contains a signature verification bypass vulnerability.

Published Sep 28, 2026, 08:17 PM UTCIngested 10d agoSource NVD(cve-db)CVE-2026-96760

Description

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.

CVSS v3.1 base metrics

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8

Critical severity

Band computed from the CVSS base score, not the source's own label — so it means the same thing across every feed.

AV

Network

Attack Vector

AC

Low

Attack Complexity

PR

None

Privileges Required

UI

None

User Interaction

S

Unchanged

Scope

C

High

Confidentiality

I

High

Integrity

A

High

Availability

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