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    CoreDNS CVE-2026-26017 TOCTOU: Patch Plugin Order to Stop Segmentation Bypass

    CoreDNS's latest security advisory reveals a deceptively simple logic bug that can let DNS access controls be sidestepped — a Time-of-Check Time-of-Use (TOCTOU) ordering flaw now tracked as CVE-2026-26017 — and while the fix landed quickly in CoreDNS 1.14.2, this vulnerability exposes hardened...
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    • coredns kubernetes dns plugin ordering toctou vulnerability
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