Vulnerability · Published Feb 6, 2026 · Assigned by redhat
CVE-2026-1709Keylime: keylime: authentication bypass allows unauthorized administrative operations due to missing client-side tls authentication
Critical 9.4
In plain English
A critical-severity security flaw in Red Hat Enterprise Linux 10 from Red Hat. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 5.7% (higher than 93% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:9 | keylime | 7.12.1-11.el9_7.4 | ALSA-2026:2224 |
| AlmaLinux:9 | keylime-base | 7.12.1-11.el9_7.4 | ALSA-2026:2224 |
| AlmaLinux:9 | keylime-registrar | 7.12.1-11.el9_7.4 | ALSA-2026:2224 |
| AlmaLinux:10 | keylime-selinux | 7.12.1-11.el10_1.4 | ALSA-2026:2225 |
| AlmaLinux:9 | keylime-selinux | 7.12.1-11.el9_7.4 | ALSA-2026:2224 |
| AlmaLinux:9 | keylime-tenant | 7.12.1-11.el9_7.4 | ALSA-2026:2224 |
| AlmaLinux:9 | keylime-verifier | 7.12.1-11.el9_7.4 | ALSA-2026:2224 |
| AlmaLinux:9 | python3-keylime | 7.12.1-11.el9_7.4 | ALSA-2026:2224 |
| PyPI | keylime | 7.12.2 | GHSA-4jqp-9qjv-57m2 |
| PyPI | keylime | 7.13.1 | GHSA-4jqp-9qjv-57m2 |
| PyPI | keylime | 7.12.0 | PYSEC-2026-74 |
| Rocky Linux:10 | keylime | 0:7.12.1-11.el10_1.4 | RLSA-2026:2225 |
| Rocky Linux:9 | keylime | 0:7.12.1-11.el9_7.4 | RLSA-2026:2224 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 | see references |
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support | see references |
| Red Hat | Red Hat Enterprise Linux 9 | see references |
Weakness: CWE-322 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
References
- RHSA-2026:2224 vendor-advisory, x_refsource_REDHAT
- RHSA-2026:2225 vendor-advisory, x_refsource_REDHAT
- RHSA-2026:2298 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2026-1709 vdb-entry, x_refsource_REDHAT
- RHBZ#2435514 issue-tracking, x_refsource_REDHAT
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-1709.json x_sadp-csaf-vex