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.
Published: 2026-09-08
Score: 8.6 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 08 Sep 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 08 Sep 2026 15:30:00 +0000

Type Values Removed Values Added
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.
Title AVideo LoginControl PGP Authentication Bypass via verifyChallenge
First Time appeared Wwbn
Wwbn avideo
Weaknesses CWE-287
CPEs cpe:2.3:a:wwbn:avideo:-:*:*:*:*:*:*:*
Vendors & Products Wwbn
Wwbn avideo
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-08T15:34:32.680Z

Reserved: 2026-09-08T11:30:41.420Z

Link: CVE-2026-86723

cve-icon Vulnrichment

Updated: 2026-09-08T15:34:26.001Z

cve-icon NVD

Status : Deferred

Published: 2026-09-08T16:18:32.583

Modified: 2026-09-08T19:53:13.400

Link: CVE-2026-86723

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-08T17:00:02Z

Weaknesses