Information disclosure in Wwbn Avideo
CVE-2026-59256
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.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.005 (37.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 37.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002
Affected products
Weakness classification (CWE)
References
- github.com/WWBN/AVideo/security/advisories/GHSA-wq57-wxcr-rx6v (vendor-advisory)
- www.vulncheck.com/advisories/wwbn-avideo-unbound-token-authorization-bypass-via… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-59256?
- CVE-2026-59256 is a high-severity vulnerability in Wwbn Avideo, classified under Information Disclosure. CVSS score: 7.5/10. Published 2026-08-22.
- How severe is CVE-2026-59256?
- High severity. CVSS v3 base score is 7.5 out of 10.