What is CVE-2026-34952?

CVE-2026-34952 is a critical-severity vulnerability in Mervinpraison Praisonai, classified under Missing Authentication for Critical Function. CVSS score: 9.1/10. Published 2026-04-03.

How severe is CVE-2026-34952?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Auth bypass in Mervinpraison Praisonai

CVE-2026-34952

PraisonAI is a multi-agent teams system. Prior to version 4.5.97, the PraisonAI Gateway server accepts WebSocket connections at /ws and serves agent topology at /info with no authentication. Any network client can connect, enumerate registered agents, and send arbitrary messages to agents and their tool sets. This issue has been patched in version 4.5.97.

Vulnerability class: Broken Authentication

Published 2026-04-03 · last modified 2026-07-24.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.005 (41.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.001

Affected products

Mervinpraison Praisonai — versions < 4.5.97
Praison Praisonai

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

github.com/MervinPraison/PraisonAI/security/advisories/GHSA-cfh6-vr3j-qc3g (Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2026-34952?: CVE-2026-34952 is a critical-severity vulnerability in Mervinpraison Praisonai, classified under Missing Authentication for Critical Function. CVSS score: 9.1/10. Published 2026-04-03.
How severe is CVE-2026-34952?: Critical severity. CVSS v3 base score is 9.1 out of 10.