RCE in Mervinpraison Praisonai
CVE-2026-41497
PraisonAI is a multi-agent teams system. Prior to version 4.6.9, the fix for PraisonAI's MCP command handling does not add a command allowlist or argument validation to parse_mcp_command(), allowing arbitrary executables like bash, python, or /bin/sh with inline code execution flags to pass through to subprocess execution. This issue has been patched in version 4.6.9.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.008 (54.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.008 · change: +0.002
Affected products
- Mervinpraison Praisonai — versions < 4.6.9
- Praison Praisonai
Weakness classification (CWE)
References
- github.com/MervinPraison/PraisonAI/security/advisories/GHSA-9qhq-v63v-fv3j (Exploit, Patch, Mitigation, Vendor Advisory)
- github.com/MervinPraison/PraisonAI/commit/47bff65413beaa3c21bf633c1fae4e6843483… (Patch)
Frequently asked questions
- What is CVE-2026-41497?
- CVE-2026-41497 is a critical-severity vulnerability in Mervinpraison Praisonai, classified under Command Injection. CVSS score: 9.8/10. Published 2026-05-08.
- How severe is CVE-2026-41497?
- Critical severity. CVSS v3 base score is 9.8 out of 10.