CVE-2026-86723

HIGHCVSS 8.1

Description

AVideo through c3edcc274c389816d434acadac07ee78eaf330c1 contains an authentication bypass vulnerability in LoginControl::verifyChallenge() that uses loose comparison (==) instead of strict comparison (===) against unset session values. Attackers with only a password can submit an empty request to verifyChallenge.json.php to bypass PGP two-factor authentication and gain full authenticated access.

Timeline

Published:September 8th, 2026 4:18 PM

Last modified:September 8th, 2026 7:53 PM

CVSS Scoring

CVSS v3: 8.1 (HIGH)

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

Weaknesses (CWE)

CWE-287

References & Reports

Advisories, patches, and third-party reports

https://github.com/WWBN/AVideo/security/advisories/GHSA-vmpj-f3mf-q4j2
https://www.vulncheck.com/advisories/avideo-logincontrol-pgp-authentication-bypass-via-verifychallenge

Source: NIST NVD · Data may lag official sources by up to one minute