What is CVE-2026-61447?

CVE-2026-61447 is a critical-severity vulnerability in Mervinpraison Praisonai, classified under Code Injection. CVSS score: 10.0/10. Published 2026-07-11.

How severe is CVE-2026-61447?

Critical severity. CVSS v3 base score is 10.0 out of 10.

RCE in Mervinpraison Praisonai

CVE-2026-61447

PraisonAI before 1.6.78 contains a remote code execution vulnerability in CodeAgent._execute_python() that executes LLM-generated Python code without AST validation, import restrictions, or sandbox enforcement. Attackers can influence LLM output through prompt injection to exfiltrate all environment secrets and execute arbitrary code on the host system.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.025 (83.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Mervinpraison Praisonai — versions 0, 1.6.78

Weakness classification (CWE)

CWE-94 — Code Injection

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-61447?: CVE-2026-61447 is a critical-severity vulnerability in Mervinpraison Praisonai, classified under Code Injection. CVSS score: 10.0/10. Published 2026-07-11.
How severe is CVE-2026-61447?: Critical severity. CVSS v3 base score is 10.0 out of 10.