High severity8.6NVD Advisory· Published Mar 20, 2026· Updated Jun 17, 2026
CVE-2026-33039
CVE-2026-33039
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
wwbn/avideoPackagist | <= 25.0 | — |
Affected products
3Patches
Vulnerability mechanics
References
4- github.com/WWBN/AVideo/commit/0e56382921fc71e64829cd1ec35f04e338c70917nvdPatchWEB
- github.com/WWBN/AVideo/security/advisories/GHSA-9x67-f2v7-63rwnvdExploitVendor AdvisoryWEB
- github.com/advisories/GHSA-9x67-f2v7-63rwghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-33039ghsaADVISORY
News mentions
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