OpenHands up to 1.4.x API Endpoint git_handler.py get_git_diff path os command injection

Summaryinfo

A vulnerability classified as critical has been found in OpenHands up to 1.4.x. This vulnerability affects the function get_git_diff of the file openhands/runtime/utils/git_handler.py of the component API Endpoint. The manipulation of the argument path leads to os command injection. This vulnerability is uniquely identified as CVE-2026-33718. The attack is possible to be carried out remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in OpenHands up to 1.4.x. It has been rated as critical. This issue affects the function get_git_diff of the file openhands/runtime/utils/git_handler.py of the component API Endpoint. The manipulation of the argument path with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

OpenHands is software for AI-driven development. Starting in version 1.5.0, a Command Injection vulnerability exists in the `get_git_diff()` method at `openhands/runtime/utils/git_handler.py:134`. The `path` parameter from the `/api/conversations/{conversation_id}/git/diff` API endpoint is passed unsanitized to a shell command, allowing authenticated attackers to execute arbitrary commands in the agent sandbox. The user is already allowed to instruct the agent to execute commands, but this bypasses the normal channels. Version 1.5.0 fixes the issue.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-33718 since 03/23/2026. The exploitation is known to be easy. The attack may be initiated remotely. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

Upgrading to version 1.5.0 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Name

• OpenHands

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4

Website

• Product: https://github.com/OpenHands/OpenHands/

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