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Vulnerability record · CVE-2026-89250 · published 11 September 2026

CVE-2026-89250: Missing authentication for critical function vulnerability

WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains an unauthenticated file read vulnerability in the getRecordedFile.php endpoint that streams recorded FLV files from the temporary directory. Attackers can request the endpoint with a known or guessed stream key to download recorded live video files without authentication or authorization checks.

8.7 CVSS 4.0 High EPSS 0.50% · top 59.4% CWE-306 · Missing authentication for critical function Deferred
8.7CVSS 4.0 base score
0.50%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
11 Sep 2026Last modified by NVD

Description

WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains an unauthenticated file read vulnerability in the getRecordedFile.php endpoint that streams recorded FLV files from the temporary directory. Attackers can request the endpoint with a known or guessed stream key to download recorded live video files without authentication or authorization checks.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/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-crcx-7mx7-jqfr
https://www.vulncheck.com/advisories/wwbn-avideo-unauthenticated-file-read-via-getrecordedfile-php
https://github.com/WWBN/AVideo/security/advisories/GHSA-crcx-7mx7-jqfr

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Source: NIST National Vulnerability Database (record CVE-2026-89250), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.