CVE-2026-112000 Vanus 0.8.0 through 0.9.0 Missing Authorization in Gateway Streaming RPCs
Authenticated users can hijack other tenants' subscriptions and enumerate users due to missing authorization checks in the Vanus gateway.
- 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-2026-112000?
CVE-2026-112000 is a high-severity missing authorization vulnerability in vanus-labs vanus, published on 18 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Vanus 0.8.0 through 0.9.0 contains a missing authorization vulnerability in the gateway that allows any authenticated user to call Subscribe, Ack, and unregistered methods without permission checks. Attackers can supply another tenant's subscription ID to Subscribe to hijack it, read and acknowledge its events, starve the legitimate consumer, and enumerate cluster users via ListUser.
Weakness: CWE-862
Which versions are affected by CVE-2026-112000?
How do I fix CVE-2026-112000?
No fix has been published for CVE-2026-112000 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-2026-112000 being exploited?
There is no known exploitation of CVE-2026-112000 in the wild and no public exploit code.
Sources
Also known as GHSA-93jv-pwc6-2cqf.