Main Vulnerability Database Vulnerabilities #VU128355

Missing Authentication for Critical Function in AVideo - CVE-2026-43881

Published: April 28, 2026

Vulnerability identifier: #VU128355

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-43881

CWE-ID: CWE-306

Exploitation vector: Remote access

Exploit availability: Public exploit is available

Vulnerability details

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to missing authentication for critical function in "objects/users.json.php" within the "isCompany" parameter. A remote attacker can gain access to sensitive information on the system.

Affected software

AVideo

How to mitigate CVE-2026-43881

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Links to Public Exploits and PoC-codes

Exploit #12662 - Unauthenticated User Enumeration in `objects/users.json.php` via `isCompany` Parameter Flips `$ignoreAdmin = true` and Defeats Admin-Only Listing Guard (April 28, 2026)

External References

https://github.com/WWBN/AVideo/security/advisories/GHSA-6rvw-7p8v-mjfq

Related Security Bulletins

Multiple vulnerabilities in AVideo