CVE-2026-112000
High
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.
SeverityHigh
CVSS7.6
Exploit probability—
ProductVanus
PublishedOct 18, 2026
First seenOct 18, 2026
Weakness typeCWE-862Missing authorization
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| vanus-labs vanus | 0.8.0 ≤ v ≤ 0.9.0 | — |
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