PatchTheCVECVE-2026-10854: A visibility control issue in the event template creation workflow allowed non-site-admin users to access priv
CVE-2026-10854 is a medium-severity flaw (CVSS 4.3) affecting misp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.3 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.2% (top 93%) |
| CISA exploited list | No |
| Weakness | CWE-200 |
| Published | 2026-06-04 |
| Last modified | 2026-07-22 |
Last updated 2026-07-22 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-10854?
misp: upgrade to 2.5.39. Exact commands for each OS are on this page.
Is CVE-2026-10854 being exploited?
CVE-2026-10854 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-10854 affect?
CVE-2026-10854 affects misp. Severity is medium (CVSS 4.3). 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 organisatio
How urgent is CVE-2026-10854?
Priority 17/100. No elevated risk signals yet.
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