Argument injection in the Kubernetes special agent in Checkmk <2.5.0p19, <2.4.0p40, and 2.3.0 (EOL) allows a user with permission to edit rules in at least one folder to write files to arbitrary locations writable by the site user via crafted node roles in the "Exclude nodes based on their role" rule option, leading to code execution as the site user.
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
| Link | Providers |
|---|---|
| https://checkmk.com/werk/17994 |
|
History
Wed, 11 Nov 2026 11:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Argument injection in the Kubernetes special agent in Checkmk <2.5.0p19, <2.4.0p40, and 2.3.0 (EOL) allows a user with permission to edit rules in at least one folder to write files to arbitrary locations writable by the site user via crafted node roles in the "Exclude nodes based on their role" rule option, leading to code execution as the site user. | |
| Title | Arbitrary file write and code execution via excluded node roles in Kubernetes special agent | |
| First Time appeared |
Checkmk
Checkmk checkmk |
|
| Weaknesses | CWE-88 | |
| CPEs | cpe:2.3:a:checkmk:checkmk:*:*:*:*:*:*:*:* cpe:2.3:a:checkmk:checkmk:2.3.0:*:*:*:*:*:*:* |
|
| Vendors & Products |
Checkmk
Checkmk checkmk |
|
| References |
| |
| Metrics |
cvssV4_0
|
Projects
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Status: PUBLISHED
Assigner: Checkmk
Published:
Updated: 2026-11-11T10:51:02.478Z
Reserved: 2026-11-03T11:48:38.240Z
Link: CVE-2026-121374
No data.
Status : Deferred
Published: 2026-11-11T11:17:14.377
Modified: 2026-11-11T11:17:14.487
Link: CVE-2026-121374
No data.
OpenCVE Enrichment
Updated: 2026-11-11T22:15:21Z
Weaknesses