CVE-2026-7765 — User Messages widget leaked issuer messages on shared dashboards
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 th…
Published: 2026-06-08 · CVSS: 6.3 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7