CVE-2026-7765
Medium · 5.3CVSS
5.3
EPSS
0.3%
Published
Jun 8, 2026
CISA due date
—
The record
Incorrect authorization in the User Messages dashboard widget in Checkmk <2.5.0p5 causes the message-fetching endpoints to return the dashboard creator's messages rather than the viewer's, allowing an attacker who knows a valid public dashboard share token to read the issuer's personal messages by sending requests to the underlying endpoint, even without a User Messages widget present.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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