Path traversal in WinRAR - CVE-2025-8088

 

Path traversal in WinRAR - CVE-2025-8088

Published: August 9, 2025 / Updated: August 7, 2026


Vulnerability identifier: #VU113784
CSH Severity: Critical
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-8088
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild

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 inside archives. A remote attacker can trick the victim into opening  specially crafted archive and overwrite arbitrary files on the system, leading to remote code execution.

Note, the vulnerability is being actively exploited in the wild. 


Affected software

WinRAR
ClamAV
SABnzbd

How to mitigate CVE-2025-8088

Install updates from vendor's website.

WinRAR - update to 7.13
ClamAV - addressed in versions 1.4.6, 1.5.4
SABnzbd - update to 4.5.3

Links to Public Exploits and PoC-codes

External References

Related Security Bulletins