CVE-2025-55469

Incorrect access control in youlai-boot v2.21.1 allows attackers to escalate privileges and access the Administrator backend

Critical · published November 26, 2025

CVSS v3.1
9.8
EPSS
0%
Percentile
35.6
In the wild
Unconfirmed
What it is

🚨 A simple configuration flaw in youlai-boot v2.21.1 can grant attackers full access to your Administrator backend. That's like handing over the keys to your entire operation! 🔥 Think of it as a restaurant kitchen where the chef forgot to lock the door. Anyone can stroll in, grab a chef's knife, and start cooking up trouble without ever ordering a meal! 🍽️ If an attacker exploits this vulnerability, they could escalate their privileges and gain complete control over your admin panel. This means they could modify settings, steal sensitive data, or even shut down your entire operation—absolutely devastating! ⛔

Put simply

Think of it as a restaurant kitchen where the chef forgot to lock the door. Anyone can stroll in, grab a chef's knife, and start cooking up trouble without ever ordering a meal! 🍽️ This vulnerability arises from incorrect access control, allowing unauthorized users to perform actions meant solely for administrators. Essentially, it’s a gap in security that lets anyone bypass the necessary permissions. 🔒

What to do

If an attacker exploits this vulnerability, they could escalate their privileges and gain complete control over your admin panel. This means they could modify settings, steal sensitive data, or even shut down your entire operation—absolutely devastating! ⛔ To protect yourself, immediately upgrade to version 2.21.2 or later, which addresses this critical access control issue. Additionally, audit existing permissions to ensure they align with your security policies. 🛡️ You've got this! By taking these steps, you'll secure your system and lock down the administrative access for good. 💪✨

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00423 · 35.6th percentile
Published
2025-11-26T00:00Z
EPSS history
Timeline
  • 26 NOV 00:00Z
    Incorrect access control in youlai-boot v2.21.1 allows attackers to escalate privileges and access the Administrator backend
    cvelistv5