Vulnerability Description
WWBN AVideo is an open source video platform. In versions 25.0 and below, the plugin/LiveLinks/proxy.php endpoint validates user-supplied URLs against internal/private networks using isSSRFSafeURL(), but only checks the initial URL. When the initial URL responds with an HTTP redirect (Location header), the redirect target is fetched via fakeBrowser() without re-validation, allowing an attacker to reach internal services (cloud metadata, RFC1918 addresses) through an attacker-controlled redirect. This issue is fixed in version 26.0.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Wwbn | Avideo | < 26.0 |
Related Weaknesses (CWE)
References
- https://github.com/WWBN/AVideo/commit/0e56382921fc71e64829cd1ec35f04e338c70917Patch
- https://github.com/WWBN/AVideo/security/advisories/GHSA-9x67-f2v7-63rwExploitVendor Advisory
- https://github.com/WWBN/AVideo/security/advisories/GHSA-9x67-f2v7-63rwExploitVendor Advisory
FAQ
What is CVE-2026-33039?
CVE-2026-33039 is a vulnerability with a CVSS score of 8.6 (HIGH). WWBN AVideo is an open source video platform. In versions 25.0 and below, the plugin/LiveLinks/proxy.php endpoint validates user-supplied URLs against internal/private networks using isSSRFSafeURL(), ...
How severe is CVE-2026-33039?
CVE-2026-33039 has been rated HIGH with a CVSS base score of 8.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-33039?
Check the references section above for vendor advisories and patch information. Affected products include: Wwbn Avideo.