CVE-2026-14452

HIGH CVSS 4.0: 8.6 EPSS 0.29%
Updated Oct 16, 2026
Checkmk
Parameter Value
CVSS 8.6 (HIGH)
Affected Versions 2.3.0 — 2.5.0p15
Fixed In 2.5.0p15
Type CWE-601 (Open Redirect)
Vendor Checkmk
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
Active
User action required

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Weakness Type (CWE)

Vulnerable Products 4

Configuration From (including) Up to (excluding)
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:*:*:*:*:*:*:*:*
2.5.0 2.5.0p15
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:*:*:*:*:*:*:*:*
2.4.0 2.4.0p38
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:*:*:*:*:*:*:*:*
2.3.0 2.3.0p51
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.2.0:*:*:*:*:*:*:*
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