PYSEC-2026-1488 Keylime registrar is vulnerable to Denial-of-Service attack when updated to version 7.12.0

Impact The Keylime registrar implemented more strict type checking on version 7.12.0. As a result, when updated to version 7.12.0, the registrar will not accept the format of the data previously stored in the database by versions = 7.8.0, raising an exception. This makes the Keylime registrar...

PYSEC-2026-1489 Keylime's registrar vulnerable to Denial-of-service attack via a single open connection

Impact Keylime registrar is prone to a simple denial of service attack in which an adversary opens a connection to the TLS port by default, port 8891 blocking further, legitimate connections. As long as the connection is open, the registrar is blocked and cannot serve any further clients agents a...

Duplicate Advisory: Keylime Missing Authentication for Critical Function and Improper Authentication

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-4jqp-9qjv-57m2. This link is maintained to preserve external references. Original Description A flaw was found in Keylime. The Keylime registrar, since version 7.12.0, does not enforce client-side Transport Laye...

Important: Red Hat Security Advisory: keylime security update

An update for keylime is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

Keylime: challenge-response protocol bypass during agent registration

A flaw was found in the Keylime registrar that could allow a bypass of the challenge-response protocol during agent registration. This issue may allow an attacker to impersonate an agent and hide the true status of a monitored machine if the fake agent is added to the verifier list by a legitimat...