Auth bypass in Wwbn Avideo
CVE-2026-88865
AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 fails to validate restream ownership in getRestream.json.php, allowing authenticated users with canStream permission to mint tokens for arbitrary restreams. Attackers can exchange the token to retrieve other users' stream keys from getLiveKey.json.php and publish to their YouTube, Twitch, or RTMP destinations.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.004 (29.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/WWBN/AVideo/security/advisories/GHSA-7jf4-mmqm-7p7x (vendor-advisory)
- www.vulncheck.com/advisories/avideo-missing-authorization-via-getrestream-json-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-88865?
- CVE-2026-88865 is a high-severity vulnerability in Wwbn Avideo, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.1/10. Published 2026-09-10.
- How severe is CVE-2026-88865?
- High severity. CVSS v3 base score is 8.1 out of 10.