CVE-2026-54362
Received Received - Intake
Incorrect Visibility Condition in MISP Event Template Builder Exposes Galaxies

Publication date: 2026-06-12

Last updated on: 2026-06-12

Assigner: 5a6e4751-2f3f-4070-9419-94fb35b644e8

Description
An incorrect visibility condition in the MISP event template builder allowed authenticated non-site-admin users to view galaxies that should not have been visible to their organisation. The custom access-control condition intended to restrict galaxies to those owned by the user’s organisation or distributed beyond it used a PHP comparison expression instead of a query condition. As a result, enabled galaxies, including organisation-only custom galaxies belonging to other organisations, could be exposed in the template builder galaxy list. This could disclose metadata about private galaxy definitions to unauthorised users.
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Meta Information
Published
2026-06-12
Last Modified
2026-06-12
Generated
2026-06-13
AI Q&A
2026-06-13
EPSS Evaluated
N/A
NVD
CVE-2026-54362
Affected Vendors & Products
Currently, no data is known.
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-863 The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.
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Impact Analysis

The impact of this vulnerability is the unauthorized disclosure of metadata related to private galaxy definitions within the MISP event template builder. Users who should not have access to certain galaxies from other organisations could view them, potentially exposing sensitive or confidential information that was intended to be restricted.

Executive Summary

This vulnerability is due to an incorrect visibility condition in the MISP event template builder. Authenticated users who are not site administrators could view galaxies that should have been restricted to their own organisation. The issue arose because the access-control condition used a PHP comparison expression instead of a proper query condition, which failed to properly restrict access. As a result, galaxies, including organisation-only custom galaxies from other organisations, could be exposed to unauthorized users, potentially disclosing metadata about private galaxy definitions.

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