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AlmaLinux 8 : idm:DL1 (ALSA-2026:83460)

high Nessus Plugin ID 366637

Synopsis

The remote AlmaLinux host is missing one or more security updates.

Description

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:83460 advisory.

 * 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 [almalinux-8.10.z] (JIRA:AlmaLinux-129966)

Tenable has extracted the preceding description block directly from the AlmaLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://access.redhat.com/errata/RHSA-2026:83460

https://errata.almalinux.org/8/ALSA-2026-83460.html

Plugin Details

Severity: High

ID: 366637

File Name: alma_linux_ALSA-2026-83460.nasl

Version: 1.1

Type: Local

Published: 10/16/2026

Updated: 10/16/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7

Percentile: 98.06

CVSS v2

Risk Factor: High

Base Score: 8.5

Temporal Score: 6.3

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:N

CVSS Score Source: CVE-2026-11861

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:alma:linux:8, cpe:/o:alma:linux:8::appstream, cpe:/o:alma:linux:8::baseos, cpe:/o:alma:linux:8::highavailability, cpe:/o:alma:linux:8::nfv, cpe:/o:alma:linux:8::powertools, cpe:/o:alma:linux:8::realtime, cpe:/o:alma:linux:8::resilientstorage, cpe:/o:alma:linux:8::sap, cpe:/o:alma:linux:8::sap_hana, cpe:/o:alma:linux:8::supplementary, p-cpe:/a:alma:linux:bind-dyndb-ldap, p-cpe:/a:alma:linux:custodia, p-cpe:/a:alma:linux:ipa-client-common, p-cpe:/a:alma:linux:ipa-client-epn, p-cpe:/a:alma:linux:ipa-client-samba, p-cpe:/a:alma:linux:ipa-client, p-cpe:/a:alma:linux:ipa-common, p-cpe:/a:alma:linux:ipa-healthcheck-core, p-cpe:/a:alma:linux:ipa-healthcheck, p-cpe:/a:alma:linux:ipa-python-compat, p-cpe:/a:alma:linux:ipa-selinux, p-cpe:/a:alma:linux:ipa-server-common, p-cpe:/a:alma:linux:ipa-server-dns, p-cpe:/a:alma:linux:ipa-server-trust-ad, p-cpe:/a:alma:linux:ipa-server, p-cpe:/a:alma:linux:opendnssec, p-cpe:/a:alma:linux:python3-custodia, p-cpe:/a:alma:linux:python3-ipaclient, p-cpe:/a:alma:linux:python3-ipalib, p-cpe:/a:alma:linux:python3-ipaserver, p-cpe:/a:alma:linux:python3-ipatests, p-cpe:/a:alma:linux:python3-jwcrypto, p-cpe:/a:alma:linux:python3-kdcproxy, p-cpe:/a:alma:linux:python3-pyusb, p-cpe:/a:alma:linux:python3-qrcode-core, p-cpe:/a:alma:linux:python3-qrcode, p-cpe:/a:alma:linux:python3-yubico, p-cpe:/a:alma:linux:slapi-nis, p-cpe:/a:alma:linux:softhsm-devel, p-cpe:/a:alma:linux:softhsm

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/AlmaLinux/release, Host/AlmaLinux/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 10/15/2026

Vulnerability Publication Date: 8/11/2026

Reference Information

CVE: CVE-2026-11861, CVE-2026-13097, CVE-2026-18147, CVE-2026-19550, CVE-2026-73197, CVE-2026-73198, CVE-2026-76578, CVE-2026-79678

CWE: 266, 306, 706, 770, 79, 863, 95

RHSA: 2026:83460