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Vulnerabilities CVE-2026-14476

CVE-2026-14476

High
Open
TLP:CLEAR

Sssd: sssd: gpo cache path traversal via unsanitized gpcfilesyspath allows kerberos authentication bypass

NVD CVE.org
Critical Infrastructure

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Description

A path traversal flaw was found in SSSD's AD GPO provider. The ad_gpo_extract_smb_components() function does not sanitize .. sequences in the gPCFileSysPath LDAP attribute, allowing 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 be used to inject Kerberos configuration leading to authentication bypass.

Details

CVSS Score
8.0
EPSS Score
0.67%

48.8th percentile

CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Confidence
90%
Published
Jul 7, 2026
Last Modified
Aug 4, 2026
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