CVE-2025-71279 CRITICAL

CVE-2025-71279: XenForo Passkey Security Bypass

Vendor Xenforo

Product XenForo

Weakness CWE-287 · Improper authentication

Published April 1, 2026

Last update April 1, 2026

View on NVD All CVEs

CVSS base score

9.3/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction None

Confidentiality —

Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

XenForo before 2.3.7 contains a security issue affecting Passkeys that have been added to user accounts. An attacker may be able to compromise the security of Passkey-based authentication.

Key dates

02Disclosure timeline

April 1, 2026 CVE published

April 1, 2026 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2025-71279 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/287.html

Related vulnerabilities

CVE-2025-71279: XenForo Passkey Security Bypass

01Description

02Disclosure timeline

03References

04Related CVE