Threats Tagged 'cve-2026-11861'
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Threats Tagged 'cve-2026-11861'
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A flaw was found in FreeIPA. When a trust relationship is configured between FreeIPA and Active Directory, Active Directory users can bypass… (CVE-2026-11861)CVE-2026-11861 0 A critical vulnerability (CVE-2026-11861) exists in FreeIPA when a trust relationship is configured with Active Directory. It allows authenticated Active Directory users to bypass authentication for FreeIPA services by impersonating a client name in the Ticket Granting Service due to FreeIPA not verifying Privilege Attribute Certificate (PAC) certificates. This could enable privilege escalation within the FreeIPA domain. However, practical exploitation is constrained by several conditions, including the need for an unpatched or outdated Active Directory environment that allows duplicate Service Principal Names (SPNs). Modern Active Directory versions with enforced SPN uniqueness block this attack path. No official patch or mitigation meeting Red Hat's criteria is currently available. Join the discussion | GCVE Database | 08/20/2026, 12:31:21 UTC Added: 08/20/2026, 14:08:15 UTC |
CVE-2026-11861: Incorrect Privilege Assignment in Red Hat Red Hat Enterprise Linux 10CVE-2026-11861 0 A flaw was found in FreeIPA. When a trust relationship is configured between FreeIPA and Active Directory, Active Directory users can bypass authentication for FreeIPA services, including the portal, SMB server, and LDAP directory. This is possible by impersonating a client name in the Ticket Granting Service (TGS) due to FreeIPA services not verifying Privilege Attribute Certificate (PAC) certificates. This vulnerability could allow an authenticated Active Directory user to escalate their privileges within the FreeIPA domain. Join the discussion | CVE Database V5 | 08/20/2026, 10:39:08 UTC Added: 08/20/2026, 11:11:47 UTC |
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