Vulnerability in Wwbn Avideo
CVE-2026-84187
AVideo contains a missing authentication vulnerability in plugin/Live/on_publish.php that allows unauthenticated attackers to mark arbitrary scheduled broadcasts as failed by sending crafted POST requests with schedule identifiers. Attackers can exploit the unguarded RTMP callback endpoint to modify scheduled broadcast status fields by supplying fabricated stream keys matching the pattern -ps-<N>, silently canceling any scheduled live broadcast without credentials or authorization.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H.
EPSS exploit prediction
EPSS: 0.005 (42.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.2% 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-v395-2xmq-cg23 (vendor-advisory)
- www.vulncheck.com/advisories/avideo-on-publish-php-missing-authentication-check… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-84187?
- CVE-2026-84187 is a high-severity vulnerability in Wwbn Avideo, classified under Improper Access Control. CVSS score: 8.2/10. Published 2026-09-01.
- How severe is CVE-2026-84187?
- High severity. CVSS v3 base score is 8.2 out of 10.