CVE-2026-43901

6.8 MEDIUM
Published: May 11, 2026 Modified: May 13, 2026
View on NVD

Description

Wireshark MCP is an MCP Server that turns tshark into a structured analysis interface, then layers in optional Wireshark suite utilities. In 1.1.5 and earlier, wireshark-mcp exposes a wireshark_export_objects MCP tool that accepts an attacker-controlled dest_dir parameter and passes it to tshark's --export-objects flag with no mandatory path restriction. The path sandbox (_allowed_dirs) is None by default and only activates when the environment variable WIRESHARK_MCP_ALLOWED_DIRS is explicitly set. In a default installation, any directory on the filesystem can be used as the export destination.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/bx33661/Wireshark-MCP/security/advisories/GHSA-3r68-x3xc-rxpg
Source: security-advisories@github.com
Exploit Mitigation Patch Vendor Advisory
https://github.com/bx33661/Wireshark-MCP/security/advisories/GHSA-3r68-x3xc-rxpg
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Exploit Mitigation Patch Vendor Advisory

2 reference(s) from NVD

Quick Stats

CVSS v3 Score
6.8 / 10.0
EPSS (Exploit Probability)
0.3%
20th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

bx33661