Vulnerability in Wwbn Avideo
CVE-2026-58002
WWBN AVideo through commit 9c39d8c8b4c1f75540788d6b391740852ceb0732 contains an authorization bypass vulnerability in the Users_affiliations add.json.php endpoint that allows authenticated users to forge two-party consent records by supplying the counterparty's agreement timestamp. Attackers can create a forged affiliation with status='a' and then reassign video ownership to arbitrary users through the videoAddNew.json.php endpoint, which trusts the forged affiliation as an authorization term.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.002 (9.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 9.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.001
Affected products
Weakness classification (CWE)
References
- github.com/WWBN/AVideo/security/advisories/GHSA-rg7g-cgjq-4wx8 (vendor-advisory)
- www.vulncheck.com/advisories/wwbn-avideo-authorization-bypass-via-users-affilia… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-58002?
- CVE-2026-58002 is a medium-severity vulnerability in Wwbn Avideo, classified under Insufficient Verification of Data Authenticity. CVSS score: 6.5/10. Published 2026-08-22.
- How severe is CVE-2026-58002?
- Medium severity. CVSS v3 base score is 6.5 out of 10.