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CVE-2026-62440

N/A

Published 2026-08-21 · Last modified 2026-08-21

Improper Access Control vulnerability in Apache CloudStack's Kubernetes Service (CKS) plugin, allowing cross-tenant manipulation of the Kubernetes cluster while adding and removing nodes. This issue affects Apache CloudStack: from 4.21.0.0 through 4.22.1.0. Users are recommended to upgrade to version 4.22.1.1 or later, which fixes the issue.

NO EXPLOITATION SIGNALS

No known exploitation, public exploit, or elevated probability at this time. Track for changes.

Exploitation likelihood

0.1%chance of exploitation in 30 days · 3rd percentile

○ In CISA KEV ○ Public exploit / PoC

Impact if exploited

CVSS · not scored

  • No impact metrics

Proof of concept & exploit code

Test against your own equipment

curl -s https://vulnpedia.com/cve/CVE-2026-62440/poc.jsonMachine-readable PoC index for this CVE (for automation).

Listed for defensive triage, patch verification, and authorized testing on systems you own. Machine-readable: /cve/CVE-2026-62440/poc.json

Affected

Vendors Apache Software Foundation

Products Apache Cloudstack

Weakness (CWE)

  • CWE-284: Improper Access Control

CVSS vector

Not yet scored.

Sources: NVD · CVE.org · EPSS