CVE-2026-2493 IceWarp collaboration Directory Traversal Information Disclosure Vulnerability

High 7.5 Published Updated

Remote attackers can exploit a path traversal flaw in the collaboration endpoint to disclose sensitive information without authentication.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-2493?

CVE-2026-2493 is a high-severity path traversal vulnerability in IceWarp, published on 13 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

IceWarp collaboration Directory Traversal Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of IceWarp. Authentication is not required to exploit this vulnerability.

The specific flaw exists within handling of the ticket parameter provided to the collaboration endpoint. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to disclose information in the context of root. Was ZDI-CAN-25440.

Weakness: CWE-22

Which versions are affected by CVE-2026-2493?

How do I fix CVE-2026-2493?

No fix has been published for CVE-2026-2493 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-2493 being exploited?

There is no known exploitation of CVE-2026-2493 in the wild and no public exploit code.

Sources

Also known as GHSA-h8gg-vg9f-x3jm.

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