P4Verified

CVE-2025-11966: vert.x from 4.0.0 (inclusive), before 4.5.22 (exclusive), from 5.0.0 (inclusive), before 5.0.5 (exclusive); +1 more…

CVE-2025-11966. CVSS 3.1 base score 6.4 (MEDIUM, NVD). EPSS 0.00291 (percentile 0.19801), scored 2026-10-06.

Affected technology

vert.x · from 4.0.0 (inclusive), before 4.5.22 (exclusive)
eclipse

vert.x · from 5.0.0 (inclusive), before 5.0.5 (exclusive)
eclipse

Vert.x · 4.0.0 to before 4.5.22, 5.0.0 to before 5.0.5
Eclipse Foundation

Description’s affected range: versions [4.0.0

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

Vendor/CNA’s CVSS 4.0 assessment (base score 2.3/10) rates confidentiality and integrity impact as low; availability impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 2026-10-08 17:35:02.142458+00:00

CWE: CWE-79, CWE-80
CCR priority: 25.7 /100 (P4)
CVSS 3.1: 6.4 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N · NVD
EPSS: 0.00291 · percentile 0.19878 · 2026-10-08
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-08 17:36:22.845483+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-08 17:32:11.049884+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2025-11966.html