Manager-io Manager up to 25.11.1.3085 toctou

Summaryinfo

A vulnerability categorized as very critical has been discovered in Manager-io Manager up to 25.11.1.3085. This impacts an unknown function. Such manipulation leads to toctou. This vulnerability is uniquely identified as CVE-2025-64180. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in Manager-io Manager up to 25.11.1.3085. Affected by this issue is an unknown functionality. The manipulation with an unknown input leads to a toctou vulnerability. Using CWE to declare the problem leads to CWE-367. The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2025-64180 since 10/28/2025. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/07/2025).

Upgrading to version 25.11.1.3086 eliminates this vulnerability.

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Productinfo

Vendor

• Manager-io

Name

• Manager

Version

• 25.11.1.3085

Website

• Product: https://github.com/Manager-io/Manager/

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