CVE-2025-13008: Session Token Disclosure in M-Files Web

Severity: high (CVSS 8.6 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-12-19 · updated 2026-09-25
Weakness: CWE-359

Description

An information disclosure vulnerability in M-Files Server before versions 25.12.15491.7, 25.8 LTS SR3, 25.2 LTS SR3 and 24.8 LTS SR5 allows an authenticated attacker using M-Files Web to capture session tokens of other active users.

Affected products

M-Files Corporation M-Files Server: before 25.12.15491.7 — fixed in 25.12.15491.7

How to fix

Upgrade to a fixed version: M-Files Corporation M-Files Server 25.12.15491.7. Check the vendor advisory for mitigations.

References

https://empower.m-files.com/security-advisories/CVE-2025-13008
https://product.m-files.com/security-advisories/cve-2025-13008

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