CVE-2026-78411 Velociraptor Server Metadata update with Insufficient Permission Check
Attackers with client labeling permissions can modify server-wide configuration metadata, bypassing intended administrative restrictions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-78411?
CVE-2026-78411 is a medium-severity missing authorization vulnerability in Rapid7 Velociraptor, published on 5 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-863
Which versions are affected by CVE-2026-78411?
How do I fix CVE-2026-78411?
No fix has been published for CVE-2026-78411 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-78411 being exploited?
There is no known exploitation of CVE-2026-78411 in the wild and no public exploit code.
Sources
Also known as GHSA-gpw6-25f6-673m.