What is CVE-2026-43901?

CVE-2026-43901 is a medium-severity vulnerability in Bx33661 Wireshark-mcp, classified under Path Traversal. CVSS score: 6.8/10. Published 2026-05-11.

How severe is CVE-2026-43901?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Path Traversal in Bx33661 Wireshark-mcp

CVE-2026-43901

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 attac…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.000 (12.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N.

Affected products

Bx33661 Wireshark-mcp — versions <= 1.1.5
Bx33661 Wireshark_mcp

Weakness classification (CWE)

CWE-22 — Path Traversal

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Patch, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2026-43901?: CVE-2026-43901 is a medium-severity vulnerability in Bx33661 Wireshark-mcp, classified under Path Traversal. CVSS score: 6.8/10. Published 2026-05-11.
How severe is CVE-2026-43901?: Medium severity. CVSS v3 base score is 6.8 out of 10.