CVE-2026-15227
A remote, authenticated attacker can exploit a vulnerability in Checkmk to bypass security measures and manipulate files.
CSIRTS triage
- What
- A vulnerability allows a remote, authenticated attacker to bypass security measures and manipulate files.
- Who is affected
- Authenticated users of Checkmk.
- Urgency
- Remediation is low urgency as the impact is limited to authenticated users.
- Action
- Apply available updates to Checkmk.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.21% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 11% of all EPSS-scored CVEs.
Advisory coverage (2)
External references
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[](https://www.csirts.com/cve/CVE-2026-15227)