RCE in Wwbn Avideo
CVE-2026-40911
WWBN AVideo is an open source video platform. In versions 29.0 and prior, the YPTSocket plugin's WebSocket server relays attacker-supplied JSON message bodies to every connected client without sanitizing the `msg` or `callback` fields. On…
Vulnerability class: RCE (Remote Code Execution)
EPSS: 0.006 (46.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Wwbn Avideo — versions <= 29.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-40911?
- CVE-2026-40911 is a critical-severity vulnerability in Wwbn Avideo, classified under Code Injection. CVSS score: 10.0/10. Published 2026-04-21.
- How severe is CVE-2026-40911?
- Critical severity. CVSS v3 base score is 10.0 out of 10.