CVE-2026-85156: WWBN AVideo Broken Access Control via Channel Page

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-03 · updated 2026-09-08
Weakness: CWE-200

Description

WWBN AVideo fails to properly validate access controls on the public channel page, allowing unauthenticated visitors to view unlisted and group-restricted videos through hardcoded visibility flags and an undefined property. Attackers can access the channel endpoint to retrieve sensitive video content that should be hidden, including full URLs to unlisted videos and thumbnails of member-only content, regardless of the operator's hidePrivateVideos setting.

Affected products

WWBN AVideo: through 29.0

References

https://github.com/WWBN/AVideo/security/advisories/GHSA-h779-9wfc-c6m8
https://www.vulncheck.com/advisories/wwbn-avideo-broken-access-control-via-channel-page

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