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.

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.

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.

Affected products

Wwbn Avideo

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (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.