Path traversal in IceWarp - CVE-2026-2493
Published: February 27, 2026
Vulnerability identifier: #VU123322
CSH Severity: Medium
CVSS v4: 8.7 [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]
CVE-ID: CVE-2026-2493
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 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.
Affected software
IceWarp
How to mitigate CVE-2026-2493
Install updates from vendor's website.
IceWarp - addressed in versions 14.1.0.20, 14.2.0.12