CVE-2025-64180: Manager · Time-of-check Time-of-use (TOCTOU) Race Condition
Affects ManagerSource CVE Database V5
Not known to be exploited · CVSS 10.0 Critical : upgrade to 25.11.1.3086 as a priority.
Data as of 26 Oct 2026, 12:29 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 25% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 25.11.1.3086
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 7 Nov 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade manager-io/Manager to 25.11.1.3086.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
GitHubmanager-io/Managerpkg:github/manager-io/ManagerOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
- Immediate upgrade to Manager-io version 25.11.1.3086 or later is mandatory to remediate the vulnerability.
- For organizations unable to patch immediately, implement network-level controls to restrict access to Manager-io services, especially from untrusted networks.
- Enforce strict DNS validation policies and monitor DNS queries related to Manager-io to detect anomalies indicative of exploitation attempts.
- Strengthen authentication mechanisms for the Server edition, including multi-factor authentication and strong password policies.
- Conduct network segmentation reviews to ensure critical internal services and cloud metadata endpoints are isolated and inaccessible from vulnerable hosts.
- Deploy intrusion detection systems (IDS) and endpoint detection and response (EDR) solutions to identify suspicious activities related to DNS manipulation or lateral movement.
- Educate IT and security teams about the nature of TOCTOU vulnerabilities and the importance of timely patching and monitoring.
- Review and audit cloud metadata access policies to minimize exposure in case of internal network compromise.
- Maintain up-to-date asset inventories to quickly identify and remediate vulnerable Manager-io installations.
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.