CVE-2026-24773CWE-639

Open eClass Unauthenticated IDOR Allows Access to Arbitrary User Files

High · published February 3, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
34.0
In the wild
Unconfirmed
What it is

⚡ A sneaky IDOR vulnerability lets attackers access other users' personal files just by guessing their IDs! Think of it like a library where anyone can walk in and borrow any book just by knowing the title — no library card needed! It’s a breach of trust where privacy should be paramount. This vulnerability could lead to sensitive personal data being exposed, allowing attackers to view private files that were never meant for their eyes. Imagine someone gaining access to confidential information, potentially leading to identity theft or sensitive data leaks — absolutely devastating!

Put simply

Think of it like a library where anyone can walk in and borrow any book just by knowing the title — no library card needed! It’s a breach of trust where privacy should be paramount. The Insecure Direct Object Reference (IDOR) flaw in Open eClass allows unauthenticated attackers to access personal files by manipulating user identifiers. No special credentials are needed to exploit this vulnerability, making it alarmingly easy to access sensitive information.

What to do

This vulnerability could lead to sensitive personal data being exposed, allowing attackers to view private files that were never meant for their eyes. Imagine someone gaining access to confidential information, potentially leading to identity theft or sensitive data leaks — absolutely devastating! To protect your system, upgrade to Open eClass version 4.2 immediately. Additionally, review your access controls to ensure that users can only access their own files and implement secure coding practices to prevent future IDOR vulnerabilities. You’ve got this! Patch up your system, and you’ll be back to hero status in no time! 🛡️

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00409 · 34.0th percentile
Weakness
CWE-639 · Authorization Bypass Through User-Controlled Key
Published
2026-02-03T16:57Z
EPSS history
Timeline
  • 03 FEB 16:57Z
    Open eClass Unauthenticated IDOR Allows Access to Arbitrary User Files
    cvelistv5