CVE-2025-64180 – Manager-io/Manager: Complete Bypass of SSRF Protection via Time-of-Check Time-of-Use (TOCTOU)

CVE ID : CVE-2025-64180

Published : Nov. 7, 2025, 4:15 a.m. | 1 hour, 14 minutes ago

Description : Manager-io/Manager is accounting software. In Manager Desktop and Server versions 25.11.1.3085 and below, a critical vulnerability permits unauthorized access to internal network resources. The flaw lies in the fundamental design of the DNS validation mechanism. A Time-of-Check Time-of-Use (TOCTOU) condition that allows attackers to bypass network isolation and access internal services, cloud metadata endpoints, and protected network segments. The Desktop edition requires no authentication; the Server edition requires only standard authentication. This issue is fixed in version 25.11.1.3086.

Severity: 10.0 | CRITICAL

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