Path traversal in the Synthetic Monitoring "Robotmk" test service of Checkmk <2.5.0p19, <2.4.0p40, and 2.3.0 (EOL) allows an attacker who controls the agent output of a monitored host's check output for a host to inject a crafted robot output to define the contents and location for the generated HTML log, leading to code execution as the site user.
Metrics
Affected Vendors & Products
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/22624 |
|
History
Wed, 11 Nov 2026 11:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Path traversal in the Synthetic Monitoring "Robotmk" test service of Checkmk <2.5.0p19, <2.4.0p40, and 2.3.0 (EOL) allows an attacker who controls the agent output of a monitored host's check output for a host to inject a crafted robot output to define the contents and location for the generated HTML log, leading to code execution as the site user. | |
| Title | Arbitrary file write and code execution via crafted Synthetic Monitoring agent data | |
| First Time appeared |
Checkmk
Checkmk checkmk |
|
| Weaknesses | CWE-23 | |
| 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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MITRE
Status: PUBLISHED
Assigner: Checkmk
Published:
Updated: 2026-11-11T10:46:33.920Z
Reserved: 2026-11-02T14:44:35.153Z
Link: CVE-2026-120495
Vulnrichment
No data.
NVD
Status : Deferred
Published: 2026-11-11T11:17:13.433
Modified: 2026-11-11T11:17:13.547
Link: CVE-2026-120495
Redhat
No data.
OpenCVE Enrichment
No data.
Weaknesses