CVE-2025-64180CWE-367CWE-918

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

Critical · published November 7, 2025

CVSS v3.1
10.0
EPSS
0%
Percentile
24.9
In the wild
Unconfirmed
What it is

🚨 A staggering flaw in Manager allows for unauthorized access to internal network resources without breaking a sweat! 🔥 Think of it like a key that unlocks not just your office door but also the vault in the back, and the security guard isn’t even checking IDs. This vulnerability exploits how the system validates DNS like a gatekeeper who fails to check who's really on the guest list. An attacker could potentially stroll right into sensitive internal services and network segments, accessing everything from cloud metadata endpoints to protected data. This could lead to devastating breaches that compromise your entire accounting infrastructure. When a flaw is this critical, the implications could ripple through your organization!

Put simply

Think of it like a key that unlocks not just your office door but also the vault in the back, and the security guard isn’t even checking IDs. This vulnerability exploits how the system validates DNS like a gatekeeper who fails to check who's really on the guest list. This vulnerability arises from a Time-of-Check Time-of-Use (TOCTOU) condition in the DNS validation mechanism, allowing attackers to bypass network isolation—particularly affecting the Desktop edition which requires no authentication.

What to do

An attacker could potentially stroll right into sensitive internal services and network segments, accessing everything from cloud metadata endpoints to protected data. This could lead to devastating breaches that compromise your entire accounting infrastructure. When a flaw is this critical, the implications could ripple through your organization! To protect yourself, upgrade to version 25.11.1.3086 immediately. For the Server edition, ensure authentication is secured with stronger measures to mitigate risks. Regularly review your network configurations to bolster security! You can fix this! Follow the steps and you'll have your defenses up in no time! 🛡️

The record
Technical detail
CVSS v3.1
10.0 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00330 · 24.9th percentile
Weaknesses
CWE-367 · Time-of-check Time-of-use (TOCTOU) Race Condition; CWE-918 · Server-Side Request Forgery (SSRF)
Published
2025-11-07T02:58Z
EPSS history
Timeline
  • 07 NOV 02:58Z
    Manager-io/Manager: Complete Bypass of SSRF Protection via Time-of-Check Time-of-Use (TOCTOU)
    cvelistv5