CVE-2026-34935
CRITICALCVSS v3
9.8
CRITICAL
EPSS Score
—
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
PraisonAI is a multi-agent teams system. From version 4.5.15 to before version 4.5.69, the --mcp CLI argument is passed directly to shlex.split() and forwarded through the call chain to anyio.open_process() with no validation, allowlist check, or sanitization at any hop, allowing arbitrary OS command execution as the process user. This issue has been patched in version 4.5.69.
Technical Details
- CVSS v3 Vector
- 3.1
- Published
- 4/3/2026
- Last Modified
- 4/7/2026
Frequently Asked Questions
What is CVE-2026-34935?
PraisonAI is a multi-agent teams system. From version 4.5.15 to before version 4.5.69, the --mcp CLI argument is passed directly to shlex.split() and forwarded through the call chain to anyio.open_process() with no validation, allowlist check, or sanitization at any hop, allowing arbitrary OS command execution as the process user. This issue has been patched in version 4.5.69.
Is CVE-2026-34935 actively exploited?
Active exploitation of CVE-2026-34935 has not been confirmed. The EPSS score is N/A%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2026-34935?
CVE-2026-34935 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string 3.1.
Is CVE-2026-34935 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.