What is CVE-2026-41056?

CVE-2026-41056 is a high-severity vulnerability in Wwbn Avideo, classified under Permissive Cross-domain Policy with Untrusted Domains. CVSS score: 8.1/10. Published 2026-04-21.

How severe is CVE-2026-41056?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Wwbn Avideo

CVE-2026-41056

WWBN AVideo is an open source video platform. In versions 29.0 and below, the `allowOrigin($allowAll=true)` function in `objects/functions.php` reflects any arbitrary `Origin` header back in `Access-Control-Allow-Origin` along with `Access…

EPSS: 0.001 (28.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N.

Affected products

Wwbn Avideo — versions <= 29.0

Weakness classification (CWE)

CWE-942 — Permissive Cross-domain Policy with Untrusted Domains

References

https://github.com/WWBN/AVideo/security/advisories/GHSA-ccq9-r5cw-5hwq (x_refsource_CONFIRM)
https://github.com/WWBN/AVideo/commit/caf705f38eae0ccfac4c3af1587781355d24495e (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-41056?: CVE-2026-41056 is a high-severity vulnerability in Wwbn Avideo, classified under Permissive Cross-domain Policy with Untrusted Domains. CVSS score: 8.1/10. Published 2026-04-21.
How severe is CVE-2026-41056?: High severity. CVSS v3 base score is 8.1 out of 10.