CVE-2026-6497 prasathmani TinyFileManager File Upload filemanager.php server-side request forgery

Medium 5.3 Published Updated

Remote attackers can exploit a server-side request forgery vulnerability in TinyFileManager's file upload handler to access internal resources.

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-2026-6497?

CVE-2026-6497 is a medium-severity server-side request forgery vulnerability in prasathmani TinyFileManager, published on 17 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was determined in prasathmani TinyFileManager up to 2.6. Affected by this vulnerability is an unknown functionality of the file /filemanager.php?p= ajax=true&type=upload of the component File Upload Handler. This manipulation of the argument uploadurl causes server-side request forgery. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-918

Which versions are affected by CVE-2026-6497?

How do I fix CVE-2026-6497?

No fix has been published for CVE-2026-6497 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-2026-6497 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-6497 exists.

Sources

Also known as GHSA-cx3p-49rf-9534.

Is CVE-2026-6497 in your software?

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