RCE in Mervinpraison Praisonai
CVE-2026-44338
PraisonAI is a multi-agent teams system. From version 2.5.6 to before version 4.6.34, PraisonAI ships a legacy Flask API server with authentication disabled by default. When that server is used, any caller that can reach it can access /agents and trigger the configured agents.yaml workflow through /chat without providing a token. This issue has been patched in version 4.6.34.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.008 (55.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.286 · newest: 0.008 · change: -0.277
Affected products
- Mervinpraison Praisonai — versions >= 2.5.6, < 4.6.34
- Praison Praisonai
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/MervinPraison/PraisonAI/security/advisories/GHSA-6rmh-7xcm-cpxj (Exploit, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-44338?
- CVE-2026-44338 is a high-severity vulnerability in Mervinpraison Praisonai, classified under Missing Authentication for Critical Function. CVSS score: 7.3/10. Published 2026-05-08.
- How severe is CVE-2026-44338?
- High severity. CVSS v3 base score is 7.3 out of 10.
- Is CVE-2026-44338 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.