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A path traversal flaw was found in SSSD's AD GPO provider. (CVE-2026-14476)

0
Medium
VulnerabilityCVE-2026-14476gcveosvubuntu-cve-2026-14476cve-2026-14476ubuntu-16-04-ltsubuntu-18-04-ltsubuntu-20-04-ltsubuntu-22-04-ltsubuntu-24-04-ltsubuntu-25-10ubuntu-26-04-lts
Published: 07/07/2026 (07/07/2026, 10:16:00 UTC)
Source: GCVE Database
Product: sssd

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.

CVSS v3.1

Score 8.0high

Attack Vector
Network
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

Affected software

Ubuntu:16.04:LTSmore threats →ghsa
sssd
pkg:deb/ubuntu/sssd?arch=source&distro=xenial
Affected versions
=1.12.5-2=1.13.1-2=1.13.2-1=1.13.3-1=1.13.4-1=1.13.4-1ubuntu1=1.13.4-1ubuntu1.1=1.13.4-1ubuntu1.2=1.13.4-1ubuntu1.5=1.13.4-1ubuntu1.6=1.13.4-1ubuntu1.7=1.13.4-1ubuntu1.8=1.13.4-1ubuntu1.9=1.13.4-1ubuntu1.10=1.13.4-1ubuntu1.11=1.13.4-1ubuntu1.12=1.13.4-1ubuntu1.13=1.13.4-1ubuntu1.14=1.13.4-1ubuntu1.15
Ubuntu:18.04:LTSmore threats →ghsa
sssd
pkg:deb/ubuntu/sssd?arch=source&distro=bionic
Affected versions
=1.15.3-2ubuntu1=1.15.3-3ubuntu1=1.16.0-5ubuntu1=1.16.0-5ubuntu2=1.16.1-1ubuntu1=1.16.1-1ubuntu1.1=1.16.1-1ubuntu1.2=1.16.1-1ubuntu1.3=1.16.1-1ubuntu1.4=1.16.1-1ubuntu1.5=1.16.1-1ubuntu1.6=1.16.1-1ubuntu1.7=1.16.1-1ubuntu1.8
Ubuntu:20.04:LTSmore threats →ghsa
sssd
pkg:deb/ubuntu/sssd?arch=source&distro=focal
Affected versions
=2.2.0-4ubuntu1=2.2.2-1=2.2.2-1ubuntu1=2.2.3-1.1ubuntu1=2.2.3-2=2.2.3-3=2.2.3-3ubuntu0.1=2.2.3-3ubuntu0.2=2.2.3-3ubuntu0.3=2.2.3-3ubuntu0.4=2.2.3-3ubuntu0.6=2.2.3-3ubuntu0.7=2.2.3-3ubuntu0.8=2.2.3-3ubuntu0.9=2.2.3-3ubuntu0.10=2.2.3-3ubuntu0.11=2.2.3-3ubuntu0.12=2.2.3-3ubuntu0.13
Ubuntu:22.04:LTSmore threats →ghsa
sssd
pkg:deb/ubuntu/sssd?arch=source&distro=jammy
Affected versions
=2.4.1-2ubuntu4=2.5.2-4ubuntu1=2.5.2-4ubuntu3=2.5.2-4ubuntu4=2.6.1-1ubuntu3=2.6.3-1ubuntu3=2.6.3-1ubuntu3.1=2.6.3-1ubuntu3.2=2.6.3-1ubuntu3.3=2.6.3-1ubuntu3.4=2.6.3-1ubuntu3.5=2.6.3-1ubuntu3.6
Ubuntu:24.04:LTSmore threats →ghsa
sssd
pkg:deb/ubuntu/sssd?arch=source&distro=noble
Affected versions
=2.9.1-2ubuntu2=2.9.1-2ubuntu3=2.9.2-1ubuntu2=2.9.4-1ubuntu1=2.9.4-1.1ubuntu3=2.9.4-1.1ubuntu5=2.9.4-1.1ubuntu6=2.9.4-1.1ubuntu6.1=2.9.4-1.1ubuntu6.2=2.9.4-1.1ubuntu6.3=2.9.4-1.1ubuntu6.4=2.9.4-1.1ubuntu6.5=2.9.4-1.1ubuntu6.6=2.9.4-1.1ubuntu6.7
Ubuntu:25.10more threats →ghsa
sssd
pkg:deb/ubuntu/sssd?arch=source&distro=questing
Affected versions
=2.10.1-2ubuntu4=2.10.1-2ubuntu5=2.10.1-2ubuntu5.1=2.10.1-2ubuntu5.2=2.10.1-2ubuntu5.3
Ubuntu:26.04:LTSmore threats →ghsa
sssd
pkg:deb/ubuntu/sssd?arch=source&distro=resolute
Affected versions
=2.10.1-2ubuntu5=2.10.1-2ubuntu7=2.12.0-1ubuntu3=2.12.0-1ubuntu4=2.12.0-1ubuntu5=2.12.0-1ubuntu5.1=2.12.0-1ubuntu5.2

Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.

Technical Details

Gcve Source
db.gcve.eu
Osv Id
UBUNTU-CVE-2026-14476
Osv Schema Version
1.7.0
Aliases
[]
Ecosystems
["Ubuntu:16.04:LTS","Ubuntu:18.04:LTS","Ubuntu:20.04:LTS","Ubuntu:22.04:LTS","Ubuntu:24.04:LTS","Ubuntu:25.10","Ubuntu:26.04:LTS"]
Database Specific Severity
null
Cvss Version
3.1

Threat ID: 6a8d9aedacd9273b493e1885

Added to database: 08/25/2026, 13:38:53 UTC

Last updated: 08/25/2026, 15:52:37 UTC

Views: 4

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