CVE-2022-28224: Calico vulnerable to pod route hijacking

June 7, 2022 (updated September 30, 2025)

Clusters using Calico (version 3.22.1 and below), Calico Enterprise (version 3.12.0 and below), may be vulnerable to route hijacking with the floating IP feature. Due to insufficient validation, a privileged attacker may be able to set a floating IP annotation to a pod even if the feature is not enabled. This may allow the attacker to intercept and reroute traffic to their compromised pod.

References

github.com/advisories/GHSA-9394-xfq9-6qrp
github.com/projectcalico/calico
nvd.nist.gov/vuln/detail/CVE-2022-28224
www.tigera.io/security-bulletins-tta-2022-001

Code Behaviors & Features

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