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CVE-2026-10854

πŸ”Ά medium
πŸ” Scan for this CVE
Summary

A visibility control issue in the event template creation workflow allowed non-site-admin users to access private galaxies belonging to other organisations. The event template builder loaded all enabled galaxies without applying organisation or distribution-based access restrictions, potentially exposing private galaxy metadata such as galaxy type and description to users who should not have visibility. The issue has been fixed by restricting galaxy queries for non-site-admin users to galaxie

Description

A visibility control issue in the event template creation workflow allowed non-site-admin users to access private galaxies belonging to other organisations. The event template builder loaded all enabled galaxies without applying organisation or distribution-based access restrictions, potentially exposing private galaxy metadata such as galaxy type and description to users who should not have visibility.



The issue has been fixed by restricting galaxy queries for non-site-admin users to galaxies owned by the user’s organisation or galaxies with a non-private distribution setting. Site administrators retain visibility of all enabled galaxies.

CVSS Score
4.3
Medium
EPSS Score
0.2
Exploit Probability
Published Date
2026-06-04
First Seen: 2026-06-05
πŸ“Š Relative Risk Intelligence

This CVE is Lower Risk - more severe than 5.4% of all 329,778 vulnerabilities in our database.

#311,950
Below average severity
Severity Percentile
🎯 CISA SSVC Assessment Updated: Jun 4, 2026
πŸ” Exploitation Status
None
No known exploits
βš™οΈ Automatable
NO
Requires human interaction
πŸ’₯ Technical Impact
Partial
Limited system impact
πŸ† Discovered By
Andras Iklody (remediation developer)
SSVC data provided by CISA
Last Modified 2026-06-22
CVSS Vector 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS Vector 4.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Green
CWE IDs (Weakness Types)

πŸ“¦ Affected Products 2

πŸ”— References 1

πŸ”— Related CVEs 6

CVE ID Severity CVSS EPSS Summary Published
CVE-2026-56423 ⚠️ high 8.8 0.3 MISP Core contained broken access-control checks in the bulk deletion flows for Event Reports and Sharing Groups. The a... 2026-06-22
CVE-2026-56424 ⚠️ high 8.8 0.4 MISP core contained multiple broken access-control flaws where authorization checks were performed against the wrong ent... 2026-06-22
CVE-2026-56446 ⚠️ high 7.2 0.4 MISP allowed a site administrator to configure an arbitrary filesystem path for the NDJSON error log used by JsonLogTool... 2026-06-22
CVE-2026-56447 ⚠️ high 7.2 0.3 MISP allowed an authenticated site administrator to set the Kafka_rdkafka_config setting to an arbitrary filesystem path... 2026-06-22
CVE-2026-10855 πŸ”Ά medium 4.3 0.2 An authorization flaw existed in the MISP Event Template Importer overwrite workflow. When importing an event template i... 2026-06-04
CVE-2026-10856 πŸ”Ά medium 6.1 0.2 A URL validation flaw in the MISP dashboard button widget allowed a crafted relative-looking URL to be accepted as a loc... 2026-06-04
These CVEs affect the same products