CVE-2026-2493
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.
- EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
- EPSS percentile: top 2% of all CVEs by exploitation likelihood
- SSVC automatable: yes - attacks can be scripted at scale
- CVSS base score ≥ 7.0
ATT&CK techniques
1Techniques this CVE enables - linked via CWECAPECATT&CK. High◆ = named directly in ATT&CK or Nuclei templates.
▤ Build a SIEM detection for these techniquesCAPEC attack patterns
5Attack patterns this CVE enables - the bridge from weakness to ATT&CK technique.