Vulnerability · Published Mar 20, 2026 · Assigned by GitHub_M

CVE-2026-33038AVideo affected by unauthenticated application takeover via exposed web installer on uninitialized deployments

High 8.1

In plain English

A high-severity missing authentication in AVideo from WWBN. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities).

Severity (CVSS 3.1)8.1High

Exploit odds (30 days)0.5%top 55.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

WWBN AVideo is an open source video platform. Versions 25.0 and below are vulnerable to unauthenticated application takeover through the install/checkConfiguration.php endpoint. install/checkConfiguration.php performs full application initialization: database setup, admin account creation, and configuration file write, all from an unauthenticated POST input. The only guard is checking whether videos/configuration.php already exists. On uninitialized deployments, any remote attacker can complete the installation with attacker-controlled credentials and an attacker-controlled database, gaining full administrative access. This issue has been fixed in version 26.0.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Packagist	wwbn/avideo	no fix listed	GHSA-2f9h-23f7-8gcx

Affected products (as reported)

Vendor	Product	Versions
WWBN	AVideo	< 26.0

Weakness: CWE-306 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References

https://github.com/WWBN/AVideo/security/advisories/GHSA-2f9h-23f7-8gcx x_refsource_CONFIRM
https://github.com/WWBN/AVideo/commit/b3fa7869dcb935c8ab5c001a88dc29d2f92cf8e1 x_refsource_MISC