CVE-2026-78412 WatchEvent API streams another organization's live events
Attackers with API access in one organization can read live events from other organizations due to incorrect permission checks.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-78412?
CVE-2026-78412 is a medium-severity missing authorization vulnerability in Rapid7 Velociraptor, published on 5 Oct 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Velociraptor's WatchEvent gRPC API can specify the OrgId of the org from which events should be streamed. The server checks the API permissions against the caller's Org instead of the requested Org. This allows a user with API access in one org to read events from another org for which they have no access.
Weakness: CWE-639
Which versions are affected by CVE-2026-78412?
How do I fix CVE-2026-78412?
No fix has been published for CVE-2026-78412 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-2026-78412 being exploited?
There is no known exploitation of CVE-2026-78412 in the wild and no public exploit code.
Sources
Also known as GHSA-83qj-9c78-grhx.