---
id: CVE-2026-89252
title: >-
  AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 fails to verify
  ownership in addLiveLink.php when updating LiveLinks, allowing authenticated
  users to modify other users' links
summary: >-
  AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 fails to verify
  ownership in addLiveLink.php when updating LiveLinks, allowing authenticated
  users to modify other users' links. A canStream user can overwrite another
  user's…
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N'
cwe:
  - CWE-639
vendor: WWBN
product: AVideo
affected:
  - AVideo <= c3edcc274c389816d434acadac07ee78eaf330c1
published: '2026-09-11'
updated: '2026-09-15'
sourceUpdated: '2026-09-15T17:17:35.233'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-89252'
references:
  - url: 'https://github.com/WWBN/AVideo/security/advisories/GHSA-m2c6-f5ww-j26v'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/avideo-missing-authorization-in-addlivelink-php-livelink-update
    label: disclosure@vulncheck.com
  - url: 'https://github.com/WWBN/AVideo/security/advisories/GHSA-m2c6-f5ww-j26v'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
  - cve.org
  - exploit-available
epss: 0.00194
epssPercentile: 0.09432
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-15T16:12:05.497999Z'
ingestedAt: '2026-09-14T00:20:42.596Z'
---

## Overview

AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 fails to verify ownership in addLiveLink.php when updating LiveLinks, allowing authenticated users to modify other users' links. A canStream user can overwrite another user's LiveLink HLS source and metadata by supplying an existing linkId, redirecting viewers to attacker-controlled media.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.