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Vulnerability record · CVE-2026-86190 · published 5 September 2026

CVE-2026-86190: Information exposure vulnerability

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.

9.3 CVSS 4.0 Critical EPSS 0.44% · top 64.0% CWE-200 · Information exposure Deferred
9.3CVSS 4.0 base score
0.44%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
8 Sep 2026Last modified by NVD

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
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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Source: NIST National Vulnerability Database (record CVE-2026-86190), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.