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CVE-2026-7765

6.3 medium SSVC exploitation: none Analyzed
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 6.3 · checkmkNVD modified 2026-10-23 22:10

Affected (CPE criteria) 8

  • cpe:2.3:a:checkmk:checkmk:2.5.0:-:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.5.0:b1:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.5.0:b2:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.5.0:b3:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.5.0:p1:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.5.0:p2:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.5.0:p3:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.5.0:p4:*:*:*:*:*:*

References 1