CVE-2026-91140 OS command injection in Progress Software Autonomous REST Connector GenAI Agents
Attackers can execute arbitrary commands on developer machines via crafted Swagger documents in Progress Autonomous REST Connector GenAI Agents.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-91140?
CVE-2026-91140 is a critical command injection vulnerability in Progress Software Autonomous REST Connector GenAI Agents, published on 6 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
An OS command injection vulnerability in the shell-based temporary-file cleanup instructions in Progress Software Autonomous REST Connector GenAI Agents ARCGenAI-Generator version 2.0 allows an attacker who supplies a crafted Swagger/OpenAPI document to execute arbitrary commands on a developer's machine when a user invokes the generator.
Weakness: CWE-78
Which versions are affected by CVE-2026-91140?
How do I fix CVE-2026-91140?
No fix has been published for CVE-2026-91140 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-91140 being exploited?
There is no known exploitation of CVE-2026-91140 in the wild and no public exploit code.
Sources
Also known as GHSA-w86g-q6vw-5mw6.