What is CVE-2026-78411?

CVE-2026-78411 is a medium-severity vulnerability in Rapid7 Velociraptor, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2026-10-05.

How severe is CVE-2026-78411?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Rapid7 Velociraptor

CVE-2026-78411

Velociraptor's SetClientMetadata used the wrong permission check to enforce setting metadata on the server. This allows a user with LABEL_CLIENTS permission to update the server metadata. Server metadata is often used to store site wide configuration data that should only be updated by the server admin.

Vulnerability class: Broken Access Control

Published 2026-10-05 · last modified 2026-10-06.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Rapid7 Velociraptor

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

docs.velociraptor.app/announcements/advisories/cve-2026-78411

Frequently asked questions

What is CVE-2026-78411?: CVE-2026-78411 is a medium-severity vulnerability in Rapid7 Velociraptor, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2026-10-05.
How severe is CVE-2026-78411?: Medium severity. CVSS v3 base score is 6.5 out of 10.