Vulnerability in Keylime

CVE-2026-1709

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.

EPSS: 0.054 (92.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.4 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-1709?
CVE-2026-1709 is a critical-severity vulnerability in Keylime, classified under Key Exchange without Entity Authentication. CVSS score: 9.4/10. Published 2026-02-06.
How severe is CVE-2026-1709?
Critical severity. CVSS v3 base score is 9.4 out of 10.