Akamai's LKE-E clusters stuck pending after subnet IDs passed one million

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Starting October 17, 2026, Akamai customers could not create new Linode Kubernetes Engine-Enterprise clusters worldwide, though existing clusters, running workloads, and scaling continued normally. Investigators traced the failure to Virtual Private Cloud subnet IDs exceeding 1,000,000, which a flaw in the Cloud Controller Manager parsed as scientific notation, making the IDs invalid. As a result, core components on new clusters stayed pending. Akamai deployed a fix enforcing strict integer formatting and patched affected resources, with the impact declared mitigated around 19:49 UTC on October 20, 2026. A postmortem update was published on October 21, 2026.

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