What is CVE-2026-33717?

CVE-2026-33717 is a high-severity vulnerability in Wwbn Avideo, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2026-03-23.

How severe is CVE-2026-33717?

High severity. CVSS v3 base score is 8.8 out of 10.

Arbitrary file upload in Wwbn Avideo

CVE-2026-33717

WWBN AVideo is an open source video platform. In versions up to and including 26.0, the `downloadVideoFromDownloadURL()` function in `objects/aVideoEncoder.json.php` saves remote content to a web-accessible temporary directory using the or…

Vulnerability class: Unrestricted File Upload

EPSS: 0.001 (20.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Wwbn Avideo — versions <= 26.0

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

https://github.com/WWBN/AVideo/security/advisories/GHSA-8wf4-c4x3-h952 (x_refsource_CONFIRM)
https://github.com/WWBN/AVideo/commit/6da79b43484099a0b660d1544a63c07b633ed3a2 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-33717?: CVE-2026-33717 is a high-severity vulnerability in Wwbn Avideo, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2026-03-23.
How severe is CVE-2026-33717?: High severity. CVSS v3 base score is 8.8 out of 10.