Path traversal in rsyslog - #VU144420
Published: August 20, 2026
Vulnerability identifier: #VU144420
CSH Severity: High
CVSS v4: 9.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
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 within omfile dynaFile facility. A remote attacker can send a specially crafted HTTP request and write arbitrary files on the system, leading to arbitrary code execution.
Affected software
rsyslog
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.