Critical · published October 30, 2025
🚨 Who needs credentials when you can just grab a connection token? A flaw in JumpServer lets authenticated users snag tokens belonging to anyone else! 🔥 Think of it as a hotel where a regular guest can sneak into the VIP lounge and grab the access cards of every other guest — a recipe for chaos! This insecure super-connection API endpoint is like leaving the lounge door wide open without any security checks. An attacker could use this vulnerability to impersonate other users, accessing sensitive systems and data as if they were the legitimate owners of those tokens. The potential for unauthorized access and privilege escalation is absolutely devastating — imagine the havoc a malicious insider could wreak with full access!
Think of it as a hotel where a regular guest can sneak into the VIP lounge and grab the access cards of every other guest — a recipe for chaos! This insecure super-connection API endpoint is like leaving the lounge door wide open without any security checks. This critical vulnerability allows authenticated, non-privileged users to retrieve connection tokens belonging to all users via the super-connection API endpoint, instead of being restricted to their own tokens. As a result, attackers can initiate unauthorized connections to managed assets.
An attacker could use this vulnerability to impersonate other users, accessing sensitive systems and data as if they were the legitimate owners of those tokens. The potential for unauthorized access and privilege escalation is absolutely devastating — imagine the havoc a malicious insider could wreak with full access! To safeguard your systems, immediately upgrade to JumpServer versions v3.10.20-lts or v4.10.11-lts. Ensure that your API endpoints are secured and consider implementing stricter access controls and token validation checks. You’ve got this! Just follow these steps, and you’ll be a security hero in no time! 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| fit2cloud/jumpserver | < 3.10.20 | 3.10.20 |
| fit2cloud/jumpserver | ≥ 4.0.0, < 4.10.11 | 4.10.11 |