What is CVE-2026-10856?

CVE-2026-10856 is a medium-severity vulnerability in Misp, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2026-06-04.

How severe is CVE-2026-10856?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Open Redirect in Misp

CVE-2026-10856

A URL validation flaw in the MISP dashboard button widget allowed a crafted relative-looking URL to be accepted as a local path while being interpreted by browsers as an external URL. The validation rejected URLs containing an explicit sch…

Vulnerability class: Open Redirect

EPSS: 0.001 (4.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Misp — versions 0
Misp-project Misp

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

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

Frequently asked questions

What is CVE-2026-10856?: CVE-2026-10856 is a medium-severity vulnerability in Misp, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2026-06-04.
How severe is CVE-2026-10856?: Medium severity. CVSS v3 base score is 6.1 out of 10.