RCE in Mervinpraison Praisonai
CVE-2026-57131
PraisonAI is a multi-agent teams system. Prior to 4.6.58, praisonai.jobs.server.create_app mounts praisonai.jobs.router.create_router under /api/v1/runs without authentication or per-job authorization. Network clients can submit attacker-controlled prompts and agent configuration, list and read jobs, stream results, and cancel or delete other jobs, exposing service credentials and connected tool capabilities to unauthorized agent execution. This vulnerability is fixed in 4.6.58.
Vulnerability class: RCE (Remote Code Execution)
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.
Affected products
- Mervinpraison Praisonai — versions < 4.6.48
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-57131?
- CVE-2026-57131 is a critical-severity vulnerability in Mervinpraison Praisonai, classified under Code Injection. CVSS score: 9.8/10. Published 2026-09-14.
- How severe is CVE-2026-57131?
- Critical severity. CVSS v3 base score is 9.8 out of 10.