CVE-2026-64626 AVideo Encoder downloadURL SSRF via unpinned retry fallback

Medium 5.3 Published Updated

Authenticated attackers can exploit an unpinned retry fallback in AVideo's encoder to perform blind SSRF attacks against internal network targets.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-64626?

CVE-2026-64626 is a medium-severity server-side request forgery vulnerability in WWBN AVideo, published on 20 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

AVideo versions from commit 0dbadbca through latest master contain a server-side request forgery vulnerability in the encoder download-by-URL flow due to an unpinned retry fallback that bypasses DNS pinning validation. An authenticated attacker can supply a downloadURL that redirects to an internal address, causing the unpinned retry to follow the redirect and reach internal targets for blind SSRF attacks.

Weakness: CWE-918

Which versions are affected by CVE-2026-64626?

How do I fix CVE-2026-64626?

No fix has been published for CVE-2026-64626 yet. Limit exposure of the affected software until one is available.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2026-64626 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-64626 exists.

Sources

Also known as GHSA-fr98-mjq9-7jmj, GHSA-rqr2-9jm2-2q9j.

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