Path traversal in IceWarp - CVE-2026-2493

 

Path traversal in IceWarp - CVE-2026-2493

Published: February 27, 2026


Vulnerability identifier: #VU123322
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-2493
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: IceWarp
Affected software:
IceWarp

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 within handling of the ticket parameter provided to the collaboration endpoint. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.


How to mitigate CVE-2026-2493

Install updates from vendor's website.

Sources