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Description

WWBN AVideo is an open source video platform. In versions up to and including 26.0, `isSSRFSafeURL()` validates URLs against private/reserved IP ranges before fetching, but `url_get_contents()` follows HTTP redirects without re-validating the redirect target. An attacker can bypass SSRF protection by redirecting from a public URL to an internal target. Commit 8b7e9dad359d5fac69e0cbbb370250e0b284bc12 contains a patch.

PUBLISHED Reserved 2026-03-23 | Published 2026-03-27 | Updated 2026-03-27 | Assigner GitHub_M




MEDIUM: 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

Problem types

CWE-918: Server-Side Request Forgery (SSRF)

Product status

<= 26.0
affected

References

github.com/...AVideo/security/advisories/GHSA-f359-r3pv-2phf exploit

github.com/...AVideo/security/advisories/GHSA-f359-r3pv-2phf

github.com/...ommit/8b7e9dad359d5fac69e0cbbb370250e0b284bc12

cve.org (CVE-2026-33766)

nvd.nist.gov (CVE-2026-33766)

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