Command injection in datadirect-arc-ai-model-gen - CVE-2026-91140
Published: October 7, 2026
Vulnerability identifier: #VU153894
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-91140
CWE-ID: CWE-77
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary commands.
The vulnerability exists due to command injection in the Autonomous REST Connector AI Model Generator agent definitions when using filename values derived from OpenAPI/Swagger documents in shell operations without sufficient validation and quoting. A remote attacker can supply a specially crafted OpenAPI/Swagger document containing shell metacharacters in a filename value to execute arbitrary commands.
The relevant execution environment is the developer workspace or CI environment running the affected agent.
Affected software
datadirect-arc-ai-model-gen
How to mitigate CVE-2026-91140
Install security update from vendor's website.
datadirect-arc-ai-model-gen - update to 2.1