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Public proof of conceptFix available

CVE-2026-57124

A public proof of concept exists; no exploitation attested.

  • Published2026-09-14
  • Fixed in4.6.59
  • WeaknessCWE-306 · CWE-78

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

PraisonAI is a multi-agent teams system. Prior to 4.6.59, the default UI host applications expose POST /api/mcp/connect without mandatory authentication and accept caller-controlled command and args values that PraisonAIUI passes to StdioMCPClient to start a local process. Because the UI commands bind to 0.0.0.0 by default, a reachable unauthenticated client can execute commands as the UI service account even when the MCP handshake later fails. This vulnerability is fixed in 4.6.59.

Timeline

dates in UTC
  1. 2026-09-1416:17CVE publishedNVD

Versions per branch

OSV
praisonai
BranchAffectedFixed in
4.6< 4.6.594.6.59

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As GitHub_M, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • MervinPraison PraisonAI
    Affected
    • = < 4.6.59no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-09-14

Fix

  1. Update praisonai to 4.6.59

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVE recordread 2026-10-23
  • CISA-ADPSSVC decisionpoc2026-09-14
  • CNACVSS 3.19.8known since 2026-10-23
  • CNAweakness (CWE)CWE-306, CWE-78known since 2026-10-23
  • FIRST EPSSEPSS score1.0 %2026-11-08
  • OSVaffected packages—
  • GitHub AdvisoriesadvisoryCRITICAL2026-06-18

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2026-09-14
Last Modified
2026-09-15
NVD status
Deferred
GitHub Advisory
GHSA-p75f-6fp4-p57w

Frequently asked questions

What is CVE-2026-57124?

PraisonAI is a multi-agent teams system. Prior to 4.6.59, the default UI host applications expose POST /api/mcp/connect without mandatory authentication and accept caller-controlled command and args values that PraisonAIUI passes to StdioMCPClient to start a local process. Because the UI commands bind to 0.0.0.0 by default, a reachable unauthenticated client can execute commands as the UI service account even when the MCP handshake later fails. This vulnerability is fixed in 4.6.59.

Is CVE-2026-57124 actively exploited?

A proof-of-concept exploit exists for CVE-2026-57124, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2026-57124?

CVE-2026-57124 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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