CVE-2026-14452 HIGH

CVE-2026-14452: Open redirect and XSS via reset_url parameter

Vendor Checkmk Gmbh
Product Checkmk
Weakness CWE-601 · Open redirect
Published October 16, 2026
Last update October 16, 2026

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction —
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:L/SA:N

What the vulnerability does

01Description

Improper validation of the reset_url parameter of the Setup in-page search in Checkmk <2.5.0p15, <2.4.0p38, <2.3.0p51 and 2.2.0 (EOL) allows an attacker to execute arbitrary script in the session of an authenticated user with Setup access, or to redirect that user to an arbitrary external site, by tricking the user into opening a crafted URL and clicking the Reset button or submitting an empty search.

Key dates

02Disclosure timeline

October 16, 2026 CVE published

Related vulnerabilities

04Related CVE