CVE-2026-33276 in Checkmk
Summary
Stored cross-site scripting (XSS) in Checkmk 2.5.0 (beta) before 2.5.0b2 allows authenticated users with permission to create hosts or services to execute arbitrary JavaScript in the browsers of other users performing searches in the Unified Search feature.
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Responsible
Checkmk
Reservation
03/23/2026
Disclosure
03/31/2026
Status
Confirmed
Entries
VulDB provides additional information and datapoints for this CVE:
| ID | Vulnerability | CWE | Exp | Cou | CVE |
|---|---|---|---|---|---|
| 354410 | Checkmk Unified Search cross site scripting | 79 | Not defined | Official fix | CVE-2026-33276 |