What is CVE-2026-86190?

CVE-2026-86190 is a critical-severity vulnerability in Wwbn Avideo, classified under Information Disclosure. CVSS score: 9.1/10. Published 2026-09-05.

How severe is CVE-2026-86190?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Information disclosure in Wwbn Avideo

CVE-2026-86190

WWBN AVideo contains a broken access control vulnerability in videoViewsInfo endpoints that returns complete user records including password hashes, recovery tokens, and live session identifiers to unauthenticated callers when a hash parameter is provided. Attackers can use the disclosed session identifier to hijack viewer sessions, including administrator accounts, and obtain sensitive personal data for all video viewers.

Vulnerability class: Information Disclosure

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Wwbn Avideo

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

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

Frequently asked questions

What is CVE-2026-86190?: CVE-2026-86190 is a critical-severity vulnerability in Wwbn Avideo, classified under Information Disclosure. CVSS score: 9.1/10. Published 2026-09-05.
How severe is CVE-2026-86190?: Critical severity. CVSS v3 base score is 9.1 out of 10.