CVE-2026-96760

CVE Enrichment

CVSS: 9.8 CRITICAL
EPSS: 0.28%
EPSS Percentile: 18.70%
CISA KEV: Not listed

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.

Technical Details

CVSS Version: 3.1
CNA / NVD Source: cret@cert.org
Published: 29-Sep-2026 03:17
Last Modified: 01-Oct-2026 21:17
EPSS Date: 2026-10-11
CWE: CWE-20, CWE-347, CWE-358, CWE-670

CVSS Vector


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

References

Last enrichment sync: 12-Oct-2026 05:21
Sources: NVD · FIRST EPSS · CISA KEV
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Reported Context (1)

Plus), CVE-2026-75939 (Red Hat OpenShift), GHSA-632h-h47v-g4x4 (OpenCode), CVE-2026-91765 (PHP), CVE-2026-96760 (Authlib), CVE-2026-42542, CVE-2026-44639 (TDengine), CVE-2026-86553, CVE-2026-86555, CVE-2026-86552, Weekly Security Recap: Exploited Citrix NetScaler Flaw and Dozens of Vulnerabilities

CVE (135)

Vendors (1)

Products (2)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.