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8.3
CVE-2026-59256: WWBN AVideo lets anyone obtain token to view videos
CVE-2026-59256 · published 2 months ago
Summary
The AVideo software can issue a token to people who are not logged in, and that token can be reused to skip normal permission checks. As a result, unauthorized users could watch video streams that should be restricted. Apply the latest update from the vendor or block the Gallery endpoint until a fix is applied.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| wwbn | avideo | <= 9c39d8c8b4c1f75540788d6b391740852ceb0732 |
Original advisory text
WWBN AVideo Unbound Token Authorization Bypass via Gallery
WWBN AVideo through commit 9c39d8c8 contains an authorization bypass vulnerability where getToken() creates tokens without binding to user identity or purpose, and plugin/Gallery/view/sections.php issues valid tokens to unauthenticated visitors. Attackers can retrieve a token from the Gallery endpoint and use it to bypass authorization checks in other subsystems like view/hls.php to access restricted video content.
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-59256 Vendor Advisory
- https://github.com/WWBN/AVideo/security/advisories/GHSA-wq57-wxcr-rx6v Vendor Advisory
- https://www.vulncheck.com/advisories/wwbn-avideo-unbound-token-authorization-byp... Vendor Advisory
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59256... Vendor Advisory
Internet-facing
14 days
Internal
60 days
- Not known to be exploited
- Can be exploited automatically
- Gives an attacker partial control
Severity
8.3
High
Type
CWE-200Information Exposure
Timeline
Published22 Aug 2026
Updated4 Nov 2026
First seen22 Aug 2026
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