CVE-2025-31477

Description

The Tauri shell plugin allows access to the system shell. Prior to 2.2.1, the Tauri shell plugin exposes functionality to execute code and open programs on the system. The open endpoint of this plugin is designed to allow open functionality with the system opener (e.g. xdg-open on Linux). This was meant to be restricted to a reasonable number of protocols like https or mailto by default. This default restriction was not functional due to improper validation of the allowed protocols, allowing for potentially dangerous protocols like file://, smb://, or nfs:// and others to be opened by the system registered protocol handler. By passing untrusted user input to the open endpoint these potentially dangerous protocols can be abused to gain remote code execution on the system. This either requires direct exposure of the endpoint to application users or code execution in the frontend of a Tauri application. This vulnerability is fixed in 2.2.1.

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CVSS v3.1 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-20 Improper Input Validation

Affected Products

Vendor	Product	Versions
tauri	plugin-shell	< 2.2.1
tauri	plugin-shell	< 2.2.1

References

Advisories & Patches

https://github.com/tauri-apps/plugins-workspace/commit/9cf0390a52497e273db1a1b613a0e26827aa327c https://github.com/tauri-apps/plugins-workspace/security/advisories/GHSA-c9pr-q8gx-3mgp https://github.com/tauri-apps/plugins-workspace/security/advisories/GHSA-c9pr-q8gx-3mgp

Exploits

https://github.com/tauri-apps/plugins-workspace/security/advisories/GHSA-c9pr-q8gx-3mgp https://github.com/tauri-apps/plugins-workspace/security/advisories/GHSA-c9pr-q8gx-3mgp

Frequently Asked Questions

What is CVE-2025-31477? +

The Tauri shell plugin allows access to the system shell. Prior to 2.2.1, the Tauri shell plugin exposes functionality to execute code and open programs on the system. The open endpoint of this plugin is designed to allow open functionality with the system opener (e.g. xdg-open on Linux). This was meant to be restricted to a reasonable number of protocols like https or mailto by default. This default restriction was not functional due to improper validation of the allowed protocols, allowing for potentially dangerous protocols like file://, smb://, or nfs:// and others to be opened by the system registered protocol handler. By passing untrusted user input to the open endpoint these potentially dangerous protocols can be abused to gain remote code execution on the system. This either requires direct exposure of the endpoint to application users or code execution in the frontend of a Tauri application. This vulnerability is fixed in 2.2.1. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2025-31477? +

CVE-2025-31477 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2025-31477? +

CVE-2025-31477 affects products from tauri, specifically: plugin-shell. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-31477? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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