Path Traversal in Mervinpraison Praisonai
CVE-2026-39305
PraisonAI is a multi-agent teams system. Prior to 1.5.113, the Action Orchestrator feature contains a Path Traversal vulnerability that allows an attacker (or compromised agent) to write to arbitrary files outside of the configured workspace directory. By supplying relative path segments (../) in the target path, malicious actions can overwrite sensitive system files or drop executable payloads on the host. This vulnerability is fixed in 1.5.113.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (34.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 34.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
- Mervinpraison Praisonai — versions < 4.5.113
- Praison Praisonai
Weakness classification (CWE)
References
- github.com/MervinPraison/PraisonAI/security/advisories/GHSA-jfxc-v5g9-38xr (Exploit, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-39305?
- CVE-2026-39305 is a critical-severity vulnerability in Mervinpraison Praisonai, classified under Path Traversal. CVSS score: 9.0/10. Published 2026-04-07.
- How severe is CVE-2026-39305?
- Critical severity. CVSS v3 base score is 9.0 out of 10.