CVE-2026-19958 iatsiuk pptr-mcp execute Tool vm-executor.ts executeCode code injection

Medium 5.3 Published Updated

Remote attackers can execute arbitrary code via the executeCode function in the pptr-mcp library, requiring immediate attention from users of this tool.

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-2026-19958?

CVE-2026-19958 is a medium-severity code injection vulnerability in iatsiuk pptr-mcp, published on 16 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A security flaw has been discovered in iatsiuk pptr-mcp up to 0.2.7. The impacted element is the function executeCode of the file src/vm-executor.ts of the component execute Tool. The manipulation results in code injection. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

Weakness: CWE-94, CWE-74

Which versions are affected by CVE-2026-19958?

How do I fix CVE-2026-19958?

No fix has been published for CVE-2026-19958 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2026-19958 being exploited?

There is no known exploitation of CVE-2026-19958 in the wild and no public exploit code.

Sources

Also known as GHSA-hwgh-c22g-48rj.

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