CVE-2024-42480: Kamaji's RBAC Roles for `etcd` are not disjunct

Severity: critical (CVSS 9.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2024-08-12 · updated 2026-06-17
Weakness: CWE-284

Description

Kamaji is the Hosted Control Plane Manager for Kubernetes. In versions 1.0.0 and earlier, Kamaji uses an "open at the top" range definition in RBAC for etcd roles leading to some TCPs API servers being able to read, write, and delete the data of other control planes. This vulnerability is fixed in edge-24.8.2.

Affected products

clastix kamaji: before edge-24.8.2 — fixed in edge-24.8.2

How to fix

Upgrade to a fixed version: clastix kamaji edge-24.8.2. Check the vendor advisory for mitigations.

References

https://github.com/clastix/kamaji/blob/8cdc6191242f80d120c46b166e2102d27568225a/internal/datastore/etcd.go#L19-L24
https://github.com/clastix/kamaji/commit/1731e8c2ed5148b125ecfbdf091ee177bd44f3db
https://github.com/clastix/kamaji/security/advisories/GHSA-6r4j-4rjc-8vw5

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