CVE-2026-86723

AVideo LoginControl PGP Authentication Bypass via verifyChallenge

HIGH
8.1
CVSS Score
Published: September 8, 2026 at 03:13 PM UTC
Updated: September 8, 2026 at 08:09 PM UTC
1 product affected across 1 vendorAVideo

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Severity
HIGH8.1
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ c3edcc274c389816d434acadac07ee78eaf330c1

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.1HIGHVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-287

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