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Vulnerability details

CVE-2026-57116

MervinPraison PraisonAI

PraisonAI: AgentOS remains unauthenticated after GHSA-pm96 patched version and allows remote agent invocation

CVSS 3.1
9.8Critical

Official description

PraisonAI is a multi-agent teams system. From version 4.2.1 to before version 4.6.59, PraisonAI's AgentOS FastAPI deployment surface remains unauthenticated in current main and in releases after the published patched version for GHSA-pm96-6xpr-978x / CVE-2026-40151. The chat route directly calls agent.chat(request.message). No-auth and wrong-bearer requests both execute the deployed agent. This is broader than passive metadata disclosure. In any deployment where AgentOS wraps agents with tools, private context, memory, API integrations, or cost-bearing model calls, an unauthenticated reachable client can drive those agents. This issue has been patched in version 4.6.59.

CVSS scores

ScoreVersionSourceVector
9.8Critical 3.1 CVEProject cvelistV5 (CNA) (GitHub_M) CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

VendorProductVersionsSource
MervinPraison PraisonAI >= 4.2.1, < 4.6.59 CVEProject cvelistV5 (CNA)

References and advisories

1
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Details

Published
2026-10-23
Last updated
2026-10-29
State
Published
Assigner (CNA)
GitHub_M
Kolun priority
24 · Low

Exploit prediction (EPSS)

0.41%
Probability of exploitation in 30 days
36.1%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
Yes
Exploitation
Proof of concept
Technical impact
Total

Weaknesses (CWE)

  • CWE-200
    Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-306
    Missing Authentication for Critical Function
  • CWE-862
    Missing Authorization