AUGUST 26, 2026
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Case File

CVE-2026-8833

MEDIUM · CVSS 5.4 EPSS 0.14%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-06-08 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.4. It affects Java. Exploitation may require the attacker to be authenticated.

CVE
CVE-2026-8833
Severity
MEDIUM
CVSS
5.4
EPSS
0.14%
Java

Original NVD Description

Improper neutralization of HTML-encoded characters in the URL validation function in Checkmk <2.5.0p5, <2.4.0p31, <2.3.0p48, and all 2.2.0 versions allows an authenticated user to bypass URL validation and inject malicious URLs such as javascript: URIs, resulting in cross-site scripting when another user interacts with the crafted link.

Related CVEs

Other vulnerabilities affecting the same vendor(s)