SSRF in Trellix Dlp On-Prem Extensions
CVE-2026-115740
Server side request forgery vulnerability exists in the DLP on-prem extensions version 11.13.1 and earlier allows the file Prefix parameter in the OpenEventEvidenceFile.do endpoint accepts arbitrary UNC paths without validation. The server-side code attempts to open the specified file path, causing Windows to resolve the hostname and initiate SMB authentication to the attacker-controlled host.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Trellix Dlp On-Prem Extensions — versions 11.13.1 and earlier
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-115740?
- CVE-2026-115740 is a medium-severity vulnerability in Trellix Dlp On-Prem Extensions, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.3/10. Published 2026-11-05.
- How severe is CVE-2026-115740?
- Medium severity. CVSS v3 base score is 4.3 out of 10.