CVE-2026-44336Public exploitNetwork attack vector

Code execution via unchecked MCP file paths

Published May 8, 2026 · Updated May 8, 2026

Path traversal in PraisonAI before 4.6.34 allows attackers to read, write, or delete files and execute code through MCP tools/call. The MCP dispatcher forwards unvalidated arguments to default file handlers that join attacker-controlled names beneath ~/.praison/rules without resolving and enforcing containment. Reachability requires an MCP-connected model or access to the unauthenticated loopback HTTP transport; a written Python .pth file executes with the user's privileges when a later Python process starts.

CVSS severity9.6
Critical
EPSS probability0.62%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Path traversal in PraisonAI before 4.6.34 allows attackers to read, write, or delete files and execute code through MCP tools/call. The MCP dispatcher forwards unvalidated arguments to default file handlers that join attacker-controlled names beneath ~/.praison/rules without resolving and enforcing containment. Reachability requires an MCP-connected model or access to the unauthenticated loopback HTTP transport; a written Python .pth file executes with the user's privileges when a later Python process starts.

The record

CVE
CVE-2026-44336
Published
May 8, 2026
Updated
May 8, 2026
Vendor
PraisonAI
Product
PraisonAI
Classifications
CWE-22, CWE-913, CWE-829, CWE-20, CWE-94, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 8, 2026CVE publishedPublication date reported by the CVE source.
  2. May 8, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=< 4.6.34

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

PraisonAI · PraisonAIversion=< 4.6.34

Published CVSS scores

9.6NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
9.4GitHub, Inc.CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CWE-913Improper Control of Dynamically-Managed Code Resources
CWE-829Inclusion of Functionality from Untrusted Control Sphere
CWE-20Improper Input Validation
CWE-94Improper Control of Generation of Code ('Code Injection')
T1203Exploitation for Client Execution

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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