CVE-2026-14452

EUVD-2026-102834
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.
Open Redirect
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
CheckmkCNA
8.6 HIGH
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
Base Score
CVSS 3.x
EPSS Score
Percentile: 20.98%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
checkmkcheckmk
2.5.0 ≤
𝑥
≤ 2.5.0p14
CNA
checkmkcheckmk
2.4.0 ≤
𝑥
≤ 2.4.0p37
CNA
checkmkcheckmk
2.3.0 ≤
𝑥
≤ 2.3.0p50
CNA
checkmkcheckmk
2.2.0
CNA
Common Weakness Enumeration
References
https://checkmk.com/werk/22314