CVE-2026-4191 JawherKl node-api-postgres Profile Picture index.js path.extname unrestricted upload

Medium 6.9 Published Updated

An unrestricted file upload vulnerability in the Profile Picture Handler allows remote attackers to upload malicious files, potentially leading to code execution.

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

What is CVE-2026-4191?

CVE-2026-4191 is a medium-severity vulnerability in JawherKl node-api-postgres, published on 15 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A flaw has been found in JawherKl node-api-postgres up to 2.5. Affected is the function path.extname of the file index.js of the component Profile Picture Handler. This manipulation causes unrestricted upload. The attack is possible to be carried out remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-434, CWE-284

Which versions are affected by CVE-2026-4191?

How do I fix CVE-2026-4191?

No fix has been published for CVE-2026-4191 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-4191 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-4191 exists.

Sources

Also known as GHSA-5rr4-6hpp-fxj6.

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