RHSA-2026:93071 - Security Advisory

Topic

An update for ipa is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support.

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/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)

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.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat Enterprise Linux Server - Extended Life Cycle Support 7 x86_64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 7 s390x
• Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian 7 ppc64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian 7 ppc64le

Fixes

• BZ - 2474697 - CVE-2026-73197 ipa: FreeIPA: Unauthenticated DoS in `/ipa/migration/migration.py` via Unbounded Request Body Read
• BZ - 2487472 - CVE-2026-11861 FreeIPA: idm: ipa: FreeIPA: Obtaining TGS with impersonating cname through trust relationships
• BZ - 2508181 - CVE-2026-18147 freeipa: ipa: FreeIPA/IdM: Cross-Site Scripting vulnerability allows arbitrary code execution via crafted URL
• BZ - 2514019 - CVE-2026-19550 freeipa: ipa: FreeIPA: trust-fetch-domains uses trust-read ACI to gate a privileged AD trust refresh, allowing unauthorized LDAP writes
• BZ - 2515974 - CVE-2026-13097 ipa: Privilege escalation via krbCanonicalName manipulation due to realm-unaware uniqueness enforcement in FreeIPA LDAP datastore
• BZ - 2519522 - CVE-2026-76578 ipa: freeipa: FreeIPA: unauthenticated LDAP client can obtain administrator credentials via the self-managed-token ACI

CVEs

• CVE-2026-11861
• CVE-2026-13097
• CVE-2026-18147
• CVE-2026-19550
• CVE-2026-73197
• CVE-2026-76578

References

• https://access.redhat.com/security/updates/classification/#critical