What is CVE-2026-10855?

CVE-2026-10855 is a medium-severity vulnerability in Misp, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-06-04.

How severe is CVE-2026-10855?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Misp

CVE-2026-10855

An authorization flaw existed in the MISP Event Template Importer overwrite workflow. When importing an event template in overwrite mode, the application checked whether a matching template already existed but did not verify that the impor…

Vulnerability class: Broken Access Control

EPSS: 0.002 (5.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Misp — versions 0
Misp-project Misp

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

5a6e4751-2f3f-4070-9419-94fb35b644e8 (Patch, patch)

Frequently asked questions

What is CVE-2026-10855?: CVE-2026-10855 is a medium-severity vulnerability in Misp, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-06-04.
How severe is CVE-2026-10855?: Medium severity. CVSS v3 base score is 4.3 out of 10.