CVE-2026-76578 (GCVE-0-2026-76578)

Vulnerability from cvelistv5 – Published: 2026-09-07 12:01 – Updated: 2026-11-04 23:33
VLAI
Title
Ipa: freeipa: freeipa: unauthenticated ldap client can obtain administrator credentials via the self-managed-token aci
Summary
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.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 13:58 UTC
CWE
  • CWE-306 - Missing Authentication for Critical Functionality
Assigner
redhat CNA under the redhat root
CNA scorecard B 82/100 over 1184 records in the last 180 days details
References
URL Tags
https://access.redhat.com/errata/RHSA-2026:70564 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:72279 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:82935 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:83083 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:83084 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:83085 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:83460 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:83461 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:89836 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:93071 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:93452 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2026-76578 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2519522 issue-trackingx_refsource_REDHAT
Impacted products
Vendor Product Version CPE status
Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:4.13.4-1.el10_2 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:10.2
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Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support Unaffected: 0:4.12.2-15.el10_0.7 , < * (rpm)
    cpe:/o:redhat:enterprise_linux_eus:10.0
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support Unaffected: 0:4.6.8-5.el7_9.25 , < * (rpm)
    cpe:/o:redhat:rhel_els:7
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8 Unaffected: 8100020261007071200.143e9e98 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:8::appstream
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Red Hat Red Hat Enterprise Linux 8 Unaffected: 8100020261007070536.823393f5 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:8::appstream
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Unaffected: 8040020261027121250.f153676a , < * (rpm)
    cpe:/a:redhat:rhel_aus:8.4::appstream
    cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Unaffected: 8040020261027121355.5b01ab7e , < * (rpm)
    cpe:/a:redhat:rhel_aus:8.4::appstream
    cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Unaffected: 8040020261027121250.f153676a , < * (rpm)
    cpe:/a:redhat:rhel_aus:8.4::appstream
    cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Unaffected: 8040020261027121355.5b01ab7e , < * (rpm)
    cpe:/a:redhat:rhel_aus:8.4::appstream
    cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Unaffected: 8060020261008134123.c1533a64 , < * (rpm)
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/a:redhat:rhel_eus_long_life:8.6::appstream
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Unaffected: 8060020261008133528.ada582f1 , < * (rpm)
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/a:redhat:rhel_eus_long_life:8.6::appstream
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On Unaffected: 8060020261008134123.c1533a64 , < * (rpm)
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/a:redhat:rhel_eus_long_life:8.6::appstream
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On Unaffected: 8060020261008133528.ada582f1 , < * (rpm)
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/a:redhat:rhel_eus_long_life:8.6::appstream
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service Unaffected: 8080020261007080925.e581a9e4 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:8.8::appstream
    cpe:/a:redhat:rhel_tus:8.8::appstream
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service Unaffected: 8080020261007071832.b0a6ceea , < * (rpm)
    cpe:/a:redhat:rhel_e4s:8.8::appstream
    cpe:/a:redhat:rhel_tus:8.8::appstream
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Unaffected: 8080020261007080925.e581a9e4 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:8.8::appstream
    cpe:/a:redhat:rhel_tus:8.8::appstream
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Unaffected: 8080020261007071832.b0a6ceea , < * (rpm)
    cpe:/a:redhat:rhel_e4s:8.8::appstream
    cpe:/a:redhat:rhel_tus:8.8::appstream
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:4.13.4-1.el9_8 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:9::appstream
    cpe:/a:redhat:enterprise_linux:9::crb
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Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Unaffected: 0:4.10.1-12.el9_2.7 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:9.2::appstream
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions Unaffected: 0:4.11.0-15.el9_4.9 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:9.4::appstream
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support Unaffected: 0:4.12.2-14.el9_6.8 , < * (rpm)
    cpe:/a:redhat:rhel_eus:9.6::appstream
    cpe:/a:redhat:rhel_eus:9.6::crb
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:rhel_els:6
Create a notification for this product.
Date Public
2026-09-07 11:46
Credits
Red Hat would like to thank Gia Bui (yabeow) (Calif.io) for reporting this issue.
Show details on NVD website
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Nomenclature

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How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

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