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

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Manager-io / Manager	affected < 25.11.1.3086

CWE

CWE-367, CWE-918

References

https://github.com/Manager-io/Manager/security/advisories/GHSA-j2xj-xhph-p74j

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.