Path traversal in Wireshark - CVE-2026-5656
Published: April 30, 2026 / Updated: April 30, 2026
Vulnerability identifier: #VU128549
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2026-5656
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Wireshark.org
Affected software:
Wireshark
Wireshark
Detailed vulnerability description
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences in the Configuration Profile import feature. A remote attacker can trick a victim to import a malformed configuration profile and write arbitrary files on the system, leading to arbitrary code execution.
How to mitigate CVE-2026-5656
Install updates from vendor's website.