๐Ÿ” CVE Alert

CVE-2026-76578

CRITICAL 9.8

Ipa: freeipa: freeipa: unauthenticated ldap client can obtain administrator credentials via the self-managed-token aci

CVSS Score
9.8
EPSS Score
1.2%
EPSS Percentile
68th

A flaw was found in FreeIPA. The self-managed OTP token ACI does not require authentication and does not restrict which attributes may be added alongside the token entry. An unauthenticated LDAP client can exploit this, combined with a related flaw in the underlying directory server's ACI evaluation (tracked separately), to create an arbitrary attacker-controlled Kerberos principal and have it added to the administrators group. This allows a remote, unauthenticated attacker to obtain genuine FreeIPA administrator-group membership and perform administrative operations against the directory and, on SID-enabled deployments, other IdM services.

CWE CWE-306
Vendor red hat
Product red hat enterprise linux 10
Published Sep 7, 2026
Last Updated Oct 30, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Affected Versions

Red Hat / Red Hat Enterprise Linux 10
All versions affected
Red Hat / Red Hat Enterprise Linux 10.0 Extended Update Support
All versions affected
Red Hat / Red Hat Enterprise Linux 7 Extended Lifecycle Support
All versions affected
Red Hat / Red Hat Enterprise Linux 8
All versions affected
Red Hat / Red Hat Enterprise Linux 8
All versions affected
Red Hat / Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
All versions affected
Red Hat / Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
All versions affected
Red Hat / Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On
All versions affected
Red Hat / Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On
All versions affected
Red Hat / Red Hat Enterprise Linux 8.8 Telecommunications Update Service
All versions affected
Red Hat / Red Hat Enterprise Linux 8.8 Telecommunications Update Service
All versions affected
Red Hat / Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
All versions affected
Red Hat / Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
All versions affected
Red Hat / Red Hat Enterprise Linux 9
All versions affected
Red Hat / Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
All versions affected
Red Hat / Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions
All versions affected
Red Hat / Red Hat Enterprise Linux 9.6 Extended Update Support
All versions affected
Red Hat / Red Hat Enterprise Linux 6
All versions affected
Red Hat / Red Hat Enterprise Linux 8
All versions affected

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
access.redhat.com: https://access.redhat.com/errata/RHSA-2026:70564 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:72279 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:82935 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:83083 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:83084 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:83085 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:83460 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:83461 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:89836 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:93071 access.redhat.com: https://access.redhat.com/security/cve/CVE-2026-76578 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2519522

Credits

Red Hat would like to thank Gia Bui (yabeow) (Calif.io) for reporting this issue.