Read the docs
TI-2026-27176 Aliases CVE-2026-34952GHSA-cfh6-vr3j-qc3g

PraisonAI: Missing Authentication in WebSocket Gateway

Priority HIGH 80CWE-306Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-306.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00452 39th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed PraisonAI (MervinPraison): 4.5.97praisonai (PyPI): 4.5.97

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MervinPraisonPraisonAIbefore 4.5.974.5.97Patch availableCNA
—praisonai (PyPI)before 4.5.974.5.97Patch availableGHSA-cfh6-vr3j-qc3g
  • PraisonAI VendorMervinPraison Affected before 4.5.97 Fixed in 4.5.97 Patch available CNA
  • praisonai (PyPI) Vendor— Affected before 4.5.97 Fixed in 4.5.97 Patch available GHSA-cfh6-vr3j-qc3g

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:praison:praisonai:*:*:*:*:*:*:*:*before 4.5.97VulnerableMervinPraison
  • cpe:2.3:a:praison:praisonai:*:*:*:*:*:*:*:* Versions before 4.5.97 Vulnerable ·MervinPraison

Remediation

  • Fix · CNA PraisonAI (MervinPraison) Fixed in 4.5.97
  • Fix · GHSA-cfh6-vr3j-qc3g praisonai (PyPI) Fixed in 4.5.97 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-34952
  2. 2026-10-03 Alias added: GHSA-cfh6-vr3j-qc3g

References

  • TI-2026-30083 Incomplete fix for CVE-2026-34935: Command Injection in MervinPraison/PraisonAI CVSS 3.1CRITICAL 9.8
  • TI-2026-29070 PraisonAI: Critical RCE via `type: job` workflow YAML CVSS 3.1CRITICAL 9.8
  • TI-2026-28940 PraisonAI has Server-Side Request Forgery via Unvalidated webhook_url in Jobs API CVSS 3.1CRITICAL 10.0
  • TI-2026-28768 PraisonAI Affected by Remote Code Execution via YAML Deserialization in Agent Definition Loading CVSS 3.1CRITICAL 9.8
  • TI-2026-27159 PraisonAI: OS Command Injection in MCPHandler.parse_mcp_command() CVSS 3.1CRITICAL 9.8
  • TI-2026-27158 PraisonAI: Second-Order SQL Injection in `get_all_user_threads` CVSS 3.1CRITICAL 9.8
See all 42 →

Sources