cvedb.io
CVE-2026-56423
HIGH · CVSS 8.8
EPSS exploitation probability: 0%
Published 2026-06-22T14:17:49.913 · Last modified 2026-06-23T15:16:39.607

Summary

MISP Core contained broken access-control checks in the bulk deletion flows for Event Reports and Sharing Groups. The affected deleteSelection handlers authorized deletion using broad role-level permissions instead of validating authorization for each selected object. For Event Reports, EventReportsController::deleteSelection relied on the global perm_add capability rather than a per-report ownership/authorization check. As a result, a contributor-level user could submit report IDs or UUIDs for reports belonging to other organisations and hard-delete them instance-wide. The fix changed the callback to call EventReport::fetchIfAuthorized($user, $itemId, 'delete') for each selected report before deletion. For Sharing Groups, SharingGroupsController::deleteSelection relied on the global

Affected products

misp-project — misp

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.