RHSA-2026:89836 — Security Advisory

Red Hat Security Advisory: idm:DL1 security, bug fix, and enhancement update

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Severity

Critical

Red Hat Product Security

RHEL 8

Products

Official CSAF product identity

Published · October 26, 2026

Updated · November 2, 2026

Topic

An update for the idm:DL1 module is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On.

Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

Red Hat Identity Management (IdM) is a centralized authentication, identity management, and authorization solution for both traditional and cloud-based enterprise environments.

Security Fix(es):

ipa: FreeIPA: Unauthenticated DoS in /ipa/i18n_messages via Unbounded Request Body Read (CVE-2026-73198)
ipa: FreeIPA: Unauthenticated DoS in /ipa/migration/migration.py via Unbounded Request Body Read (CVE-2026-73197)
FreeIPA: idm: ipa: FreeIPA: Obtaining TGS with impersonating cname through trust relationships (CVE-2026-11861)
freeipa: ipa: FreeIPA/IdM: Cross-Site Scripting vulnerability allows arbitrary code execution via crafted URL (CVE-2026-18147)
freeipa: ipa: FreeIPA: trust-fetch-domains uses trust-read ACI to gate a privileged AD trust refresh, allowing unauthorized LDAP writes (CVE-2026-19550)
ipa: Privilege escalation via krbCanonicalName manipulation due to realm-unaware uniqueness enforcement in FreeIPA LDAP datastore (CVE-2026-13097)
ipa: freeipa: FreeIPA: unauthenticated LDAP client can obtain administrator credentials via the self-managed-token ACI (CVE-2026-76578)
freeIPA: idm: freeipa: idp-add eval() reachable before authorization check allows environment disclosure and denial of service (CVE-2026-79678)

Bug Fix(es) and Enhancement(s):

Fix ipatests for kdcproxy after CVE-2025-59088 fix (JIRA:RHEL-129969)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.