CVE-2026-86190: WWBN AVideo Broken Access Control via videoViewsInfo hash Parameter

Severity: critical (CVSS 9.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-05 · updated 2026-09-08
Weakness: CWE-200

Description

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.

Affected products

WWBN AVideo: through 29.0

References

https://github.com/WWBN/AVideo/security/advisories/GHSA-82q2-88mq-p44q
https://www.vulncheck.com/advisories/wwbn-avideo-broken-access-control-via-videoviewsinfo-hash-parameter
https://github.com/WWBN/AVideo/security/advisories/GHSA-82q2-88mq-p44q

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