CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
3Tags
Description
Blind server-side request forgery (SSRF) vulnerability in legacy connection methods of document co-authoring features in M-Files Server before 26.3 allow an unauthenticated attacker to cause the server to send HTTP GET requests to arbitrary URLs.
Analysis
Blind server-side request forgery in M-Files Server before version 26.3 allows unauthenticated remote attackers to force the server to send HTTP GET requests to arbitrary URLs through legacy connection methods in document co-authoring features. This vulnerability enables attackers to probe internal networks, access internal services, or trigger downstream attacks without requiring authentication, with a CVSS score of 6.9 reflecting moderate real-world impact.
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-17865
GHSA-jm9p-6v87-5wr3