What is CVE-2026-72748?

CVE-2026-72748 is a critical-severity vulnerability in Wwbn Avideo, classified under Missing Authentication for Critical Function. CVSS score: 9.1/10. Published 2026-08-11.

How severe is CVE-2026-72748?

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

Auth bypass in Wwbn Avideo

CVE-2026-72748

AVideo contains an unauthenticated arbitrary file write vulnerability in the aVideoEncoderChunk.json.php endpoint that allows remote attackers to write up to 4 GB of arbitrary content to the server filesystem via HTTP PUT requests without…

Vulnerability class: Broken Authentication

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:N/I:H/A:H.

Affected products

Wwbn Avideo — versions 29.0

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

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

Frequently asked questions

What is CVE-2026-72748?: CVE-2026-72748 is a critical-severity vulnerability in Wwbn Avideo, classified under Missing Authentication for Critical Function. CVSS score: 9.1/10. Published 2026-08-11.
How severe is CVE-2026-72748?: Critical severity. CVSS v3 base score is 9.1 out of 10.