CRITICAL SEVERITY

CVE-2026-1709

Enterprise Linux vulnerability

CVSS
9.4
EPSS
5.4%
EPSS pct
92th
Exploited
No known
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.
Affected vendor
Redhat
Affected product
Enterprise Linux
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
Weakness type (CWE)
Published
2026-02-06

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to low impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 5.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.

Check your external exposure to CVE-2026-1709

  • Confirm whether Redhat Enterprise Linux is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2026-1709.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2026-1709

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