CVE-2026-24096
Insufficient permission validation on multiple REST API Quick Setup endpoints
Description
Insufficient permission validation on multiple REST API Quick Setup endpoints in Checkmk 2.5.0 (beta) before version 2.5.0b2 and 2.4.0 before version 2.4.0p25 allows low-privileged users to perform unauthorized actions or obtain sensitive information
INFO
Published Date :
April 1, 2026, 11:15 a.m.
Last Modified :
April 7, 2026, 8:51 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update Checkmk to version 2.5.0b2 or later.
- Update Checkmk to version 2.4.0p25 or later.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-24096.
| URL | Resource |
|---|---|
| https://checkmk.com/werk/18989 | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-24096 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-24096
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-24096 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-24096 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Apr. 07, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CPE Configuration OR *cpe:2.3:a:checkmk:checkmk:2.4.0:b1:*:*:*:*:*:* *cpe:2.3:a:checkmk:checkmk:2.4.0:b2:*:*:*:*:*:* *cpe:2.3:a:checkmk:checkmk:2.4.0:b3:*:*:*:*:*:* *cpe:2.3:a:checkmk:checkmk:2.4.0:b4:*:*:*:*:*:* *cpe:2.3:a:checkmk:checkmk:2.4.0:b5:*:*:*:*:*:* *cpe:2.3:a:checkmk:checkmk:2.4.0:b6:*:*:*:*:*:* *cpe:2.3:a:checkmk:checkmk:2.4.0:-:*:*:*:*:*:* *cpe:2.3:a:checkmk:checkmk:2.4.0:p1:*:*:*:*:*:* *cpe:2.3:a:checkmk:checkmk:2.4.0:p2:*:*:*:*:*:* *cpe:2.3:a:checkmk:checkmk:2.4.0:p3:*:*:*:*:*:* *cpe:2.3:a:checkmk:checkmk:2.4.0:p4:*:*:*:*:*:* *cpe:2.3:a:checkmk:checkmk:2.4.0:p5:*:*:*:*:*:* *cpe:2.3:a:checkmk:checkmk:2.4.0:p10:*:*:*:*:*:* *cpe:2.3:a:checkmk:checkmk:2.4.0:p11:*:*:*:*:*:* *cpe:2.3:a:checkmk:checkmk:2.4.0:p12:*:*:*:*:*:* *cpe:2.3:a:checkmk:checkmk:2.4.0:p13:*:*:*:*:*:* *cpe:2.3:a:checkmk:checkmk:2.4.0:p14:*:*:*:*:*:* *cpe:2.3:a:checkmk:checkmk:2.4.0:p15:*:*:*:*:*:* *cpe:2.3:a:checkmk:checkmk:2.4.0:p6:*:*:*:*:*:* *cpe:2.3:a:checkmk:checkmk:2.4.0:p7:*:*:*:*:*:* *cpe:2.3:a:checkmk:checkmk:2.4.0:p8:*:*:*:*:*:* *cpe:2.3:a:checkmk:checkmk:2.4.0:p9:*:*:*:*:*:* *cpe:2.3:a:checkmk:checkmk:2.4.0:p16:*:*:*:*:*:* *cpe:2.3:a:checkmk:checkmk:2.4.0:p17:*:*:*:*:*:* *cpe:2.3:a:checkmk:checkmk:2.4.0:p18:*:*:*:*:*:* *cpe:2.3:a:checkmk:checkmk:2.4.0:p19:*:*:*:*:*:* *cpe:2.3:a:checkmk:checkmk:2.4.0:p20:*:*:*:*:*:* *cpe:2.3:a:checkmk:checkmk:2.4.0:p21:*:*:*:*:*:* *cpe:2.3:a:checkmk:checkmk:2.4.0:p22:*:*:*:*:*:* *cpe:2.3:a:checkmk:checkmk:2.5.0:b1:*:*:*:*:*:* *cpe:2.3:a:checkmk:checkmk:2.4.0:p23:*:*:*:*:*:* *cpe:2.3:a:checkmk:checkmk:2.4.0:p24:*:*:*:*:*:* Added Reference Type Checkmk GmbH: https://checkmk.com/werk/18989 Types: Vendor Advisory -
New CVE Received by [email protected]
Apr. 01, 2026
Action Type Old Value New Value Added Description Insufficient permission validation on multiple REST API Quick Setup endpoints in Checkmk 2.5.0 (beta) before version 2.5.0b2 and 2.4.0 before version 2.4.0p25 allows low-privileged users to perform unauthorized actions or obtain sensitive information Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CWE CWE-280 Added Reference https://checkmk.com/werk/18989