Path traversal in GuardDog - CVE-2026-22871
Published: January 14, 2026
Vulnerability identifier: #VU121465
CSH Severity: High
CVSS v4: 9.3 [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]
CVE-ID: CVE-2026-22871
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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 safe_extract() function. A remote attacker can send a specially crafted HTTP request and overwrite arbitrary files on the system, leading to arbitrary code execution.
Affected software
GuardDog
How to mitigate CVE-2026-22871
Install updates from vendor's website.
GuardDog - update to 2.7.1