CVE-2026-18593 vxcontrol PentAGI Tool Management Protocol pentester.tmpl sandbox

Medium 6.3 Published Updated

Attackers can bypass sandbox restrictions in the PentAGI Tool Management Protocol, potentially escaping isolation limits.

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-2026-18593?

CVE-2026-18593 is a medium-severity vulnerability in vxcontrol PentAGI, published on 3 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A weakness has been identified in vxcontrol PentAGI up to 2.1.0. This affects an unknown part of the file backend/pkg/templates/prompts/pentester.tmpl of the component Tool Management Protocol Handler. Executing a manipulation can lead to sandbox issue. It is possible to launch the attack remotely. The attack requires a high level of complexity. It is indicated that the exploitability is difficult. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-265, CWE-264

Which versions are affected by CVE-2026-18593?

How do I fix CVE-2026-18593?

No fix has been published for CVE-2026-18593 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-18593 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-18593 exists.

Sources

Also known as GHSA-x3p6-h888-267q.

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