High severity7.5NVD Advisory· Published Jun 13, 2022· Updated Jun 17, 2026
CVE-2022-31055
CVE-2022-31055
Description
kCTF is a Kubernetes-based infrastructure for capture the flag (CTF) competitions. Prior to version 1.6.0, the kctf cluster set-src-ip-ranges was broken and allowed traffic from any IP. The problem has been patched in v1.6.0. As a workaround, those who want to test challenges privately can mark them as public: false and use kctf chal debug port-forward to connect.
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Affected products
3Patches
Vulnerability mechanics
References
3- github.com/google/kctf/commit/8cf050be974fcc2fd8aa136701f9a66f2b2a5202nvdPatchThird Party Advisory
- github.com/google/kctf/pull/371nvdPatchThird Party Advisory
- github.com/google/kctf/security/advisories/GHSA-4g2v-6qc6-6jv5nvdThird Party Advisory
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