MervinPraison PraisonAI up to 4.5.112 Action Orchestrator Feature path traversal

Summaryinfo

A vulnerability categorized as critical has been discovered in MervinPraison PraisonAI up to 4.5.112. Impacted is an unknown function of the component Action Orchestrator Feature. Executing a manipulation can lead to path traversal. This vulnerability appears as CVE-2026-39305. The attack requires local access. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in MervinPraison PraisonAI up to 4.5.112. This vulnerability affects an unknown functionality of the component Action Orchestrator Feature. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect integrity, and availability. CVE summarizes:

PraisonAI is a multi-agent teams system. Prior to 1.5.113, the Action Orchestrator feature contains a Path Traversal vulnerability that allows an attacker (or compromised agent) to write to arbitrary files outside of the configured workspace directory. By supplying relative path segments (../) in the target path, malicious actions can overwrite sensitive system files or drop executable payloads on the host. This vulnerability is fixed in 1.5.113.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-39305 since 04/06/2026. The exploitation appears to be easy. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1006.

Upgrading to version 4.5.113 eliminates this vulnerability.

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Productinfo

Vendor

• MervinPraison

Name

• PraisonAI

Version

• 4.5.112

Website

• Product: https://github.com/MervinPraison/PraisonAI/

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