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CVE-2026-86723 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

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.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:9.1 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CNA: [email protected]CVSS-B:8.1 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/WWBN/AVideo/security/advisories/GHSA-vmpj-f3mf-q4j2	[email protected]	AdvisoryExploitTechnical AnalysisVendor
https://www.vulncheck.com/advisories/avideo-logincontrol-pgp-authentication-bypass-via-verifychallenge	[email protected]	Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-287	Improper Authentication	[email protected]

Affected Products

Product	Versions
WWBN AVideo	<= c3edcc274c389816d434acadac07ee78eaf330c1
CPE cpe:2.3:a:wwbn:avideo:::::::: Remediation No remediation found in references.

Change History

2 change records found show changes

Date	Action	Recorded By
Sep 8, 2026	New CVE Received	[email protected]
Sep 8, 2026	CVE Modified	CISA-ADP