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    CVE-2026-86723

    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:Sep 8, 2026
    Last Modified:Sep 8, 2026
    EPS:Sep 8, 2026
    EPSS Score:
    CVSS Score:8.1

    Affected Products

    Vendor
    Wwbn
    Product
    Avideo

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-287 Improper Authentication

    Related CVEs

    CVE-2026-88876 (CVSS 8.7) — AVideo through revision c3edcc274c389816d434acadac07ee78eaf330c1 contains a missing authorization vulnerabilit…
    CVE-2026-88875 (CVSS 5.3) — AVideo through revision c3edcc274c389816d434acadac07ee78eaf330c1 (master, 2026-08-23) incompletely sanitizes s…
    CVE-2026-88874 (CVSS 8.7) — AVideo through revision c3edcc274c389816d434acadac07ee78eaf330c1 (master, 2026-08-23) does not enforce the Liv…
    CVE-2026-88873 (CVSS 7.1) — WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a cross-site request forgery vuln…
    CVE-2026-88872 (CVSS 7.1) — AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a cross-site request forgery vulnerabi…
    CVE-2026-88871 (CVSS 5.3) — WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 (master, 2026-08-23) contains a cross-site…
    CVE-2026-88870 (CVSS 7.1) — WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a cross-site request forgery vuln…
    CVE-2026-88869 (CVSS 9.3) — AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a stored cross-site scripting vulnerab…
    CVE-2026-88868 (CVSS 9.3) — AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a stored cross-site scripting vulnerab…
    CVE-2026-88867 (CVSS 9.3) — WWBN AVideo, in versions up to and including commit c3edcc274c389816d434acadac07ee78eaf330c1, contains a store…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High