CVE-2025-11965CWE-552

CVE-2025-11965

High · published October 22, 2025

CVSS v3.1
7.5
EPSS
1%
Percentile
42.1
In the wild
Unconfirmed
What it is

⚠️ Oops! A sneaky misconfiguration in Eclipse Vert.x lets unauthorized users peek into hidden directories — like finding a secret stash of files behind a flimsy curtain! Think of it like a restaurant that has a ‘staff only’ door but forgot to lock it. While the kitchen is supposed to be off-limits, anyone could wander in and find the chef’s secret recipe book just sitting there, unguarded. This flaw could allow unauthorized users to access sensitive files in hidden directories, such as '.git/config', which could expose critical project settings or even secrets. Imagine the chaos if an outsider could read the very blueprints of your project without breaking a sweat!

Put simply

Think of it like a restaurant that has a ‘staff only’ door but forgot to lock it. While the kitchen is supposed to be off-limits, anyone could wander in and find the chef’s secret recipe book just sitting there, unguarded. This vulnerability in Eclipse Vert.x arises from a StaticHandler configuration that fails to correctly restrict access to hidden directories, permitting unauthorized file retrieval in versions 4.0.0 to 4.5.21 and 5.0.0 to 5.0.4.

What to do

This flaw could allow unauthorized users to access sensitive files in hidden directories, such as '.git/config', which could expose critical project settings or even secrets. Imagine the chaos if an outsider could read the very blueprints of your project without breaking a sweat! To address this, update your Eclipse Vert.x to version 4.5.22 or 5.0.5 to patch the vulnerability. Additionally, review your StaticHandler settings to ensure they properly restrict access to both hidden files and directories. Regular audits of your configurations are a good practice! You can fix this! Get those updates in and tighten your security. You’ve got this! 🛡️

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
0.00503 · 42.1th percentile
Weakness
CWE-552 · Files or Directories Accessible to External Parties
Published
2025-10-22T19:15Z
Affected products (2)
ProductVersionsFixed in
eclipse/vert.x≥ 4.0.0, < 4.5.224.5.22
eclipse/vert.x≥ 5.0.0, < 5.0.55.0.5
References (1)
EPSS history
Timeline
  • 22 OCT 14:50Z
    In Eclipse Vert.x versions [4.0.0, 4.5.21] and [5.0.0, 5.0.4], a StaticHandler configuration for restricting access to hidden files fails to restrict access to…
    cvelistv5