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CVE-2026-14476 is a path traversal vulnerability in the System Security Services Daemon (SSSD) Active Directory Group Policy Object provider. The ad_gpo_extract_smb_components() function fails to sanitize parent-directory traversal sequences in the gPCFileSysPath LDAP attribute. An attacker with AD GPO management access can manipulate this attribute to cause SSSD to write files outside the intended GPO cache directory with root privileges. On default Red Hat Enterprise Linux configurations, exploitation can inject Kerberos configuration and bypass authentication even when SELinux is enforcing.
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A path traversal flaw in SSSD's AD GPO provider allows attackers with Active Directory GPO management access to write files as root outside the GPO cache directory. The advisory describes Kerberos configuration injection and resulting authentication bypass on default RHEL configurations, even with SELinux enforcing.
A path traversal vulnerability in SSSD's AD GPO provider permits an attacker with AD GPO management access to write files as root outside the intended cache directory. On default RHEL configurations with SELinux enforcing, this can enable Kerberos configuration injection and authentication bypass.
SSSD's AD GPO provider permits an attacker with AD GPO management access to write files outside the GPO cache directory as root. On default RHEL configurations with SELinux enforcing, this can enable Kerberos configuration injection and authentication bypass.
A path traversal flaw in SSSD's Active Directory GPO provider allows an attacker with AD GPO management access to write files as root outside the GPO cache directory. The advisory describes Kerberos configuration injection and authentication bypass on default RHEL configurations even with SELinux enforcing.
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Every observed campaign linking this CVE to a named adversary.
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Cross-references every affected SKU, including bundled OEM variants.
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