CVE-2026-1709
CRITICAL
GHSA-4jqp-9qjv-57m2
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
Lifecycle Timeline
3Tags
Description
A flaw was found in Keylime. The Keylime registrar, since version 7.12.0, does not enforce client-side Transport Layer Security (TLS) authentication. This authentication bypass vulnerability allows unauthenticated clients with network access to perform administrative operations, including listing agents, retrieving public Trusted Platform Module (TPM) data, and deleting agents, by connecting without presenting a client certificate.
Analysis
Keylime attestation framework since version 7.12.0 has a TLS authentication flaw where the registrar doesn't enforce client-side certificate validation.
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Remediation
Within 24 hours: Identify all Keylime registrar deployments running v7.12.0 or later and document affected systems. Within 7 days: Implement network-level access controls restricting registrar connectivity to authorized clients only; enable comprehensive logging and alerting on registrar authentication failures. …
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