Upstream information

CVE-2026-27447 at MITRE

Description

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, CUPS daemon (cupsd) contains an authorization bypass vulnerability due to case-insensitive username comparison during authorization checks. The vulnerability allows an unprivileged user to gain unauthorized access to restricted operations by using a user with a username that differs only in case from an authorized user. At time of publication, there are no publicly available patches.

SUSE information

Overall state of this security issue: Pending

This issue is currently rated as having moderate severity.

CVSS v3 Scores
CVSS detail CNA (GitHub) SUSE
Base Score 4.8 4.8
Vector CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:L/A:N CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:L/A:N
Attack Vector Network Network
Attack Complexity High High
Privileges Required High High
User Interaction Required Required
Scope Unchanged Unchanged
Confidentiality Impact High High
Integrity Impact Low Low
Availability Impact None None
CVSSv3 Version 3.1 3.1
SUSE Bugzilla entry: 1261572 [NEW]

No SUSE Security Announcements cross referenced.


Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under general support and receiving all security fixes.
SUSE Linux Enterprise Desktop 15 SP7 cups Affected
SUSE Linux Enterprise High Performance Computing 15 SP7 cups Affected
SUSE Linux Enterprise Micro 5.2 cups Affected
SUSE Linux Enterprise Micro 5.3 cups Affected
SUSE Linux Enterprise Micro 5.4 cups Affected
SUSE Linux Enterprise Micro 5.5 cups Affected
SUSE Linux Enterprise Module for Basesystem 15 SP7 cups Affected
SUSE Linux Enterprise Module for Desktop Applications 15 SP7 cups Affected
SUSE Linux Enterprise Module for Development Tools 15 SP7 cups Affected
SUSE Linux Enterprise Server 15 SP7 cups Affected
SUSE Linux Enterprise Server 16.0 cups Affected
SUSE Linux Enterprise Server 16.1 cups Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP7 cups Affected
SUSE Linux Enterprise Server for SAP applications 16.0 cups Affected
SUSE Linux Enterprise Server for SAP applications 16.1 cups Affected
SUSE Linux Micro 6.0 cups Affected
SUSE Linux Micro 6.1 cups Affected
SUSE Linux Micro 6.2 cups Affected
openSUSE Leap 15.6 cups Affected
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise High Performance Computing 15 SP4 cups Affected
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS cups Affected
SUSE Linux Enterprise High Performance Computing 15 SP5 cups Affected
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS cups Affected
SUSE Linux Enterprise Module for Basesystem 15 SP4 cups Affected
SUSE Linux Enterprise Module for Basesystem 15 SP5 cups Affected
SUSE Linux Enterprise Module for Basesystem 15 SP6 cups Affected
SUSE Linux Enterprise Module for Desktop Applications 15 SP5 cups Affected
SUSE Linux Enterprise Module for Desktop Applications 15 SP6 cups Affected
SUSE Linux Enterprise Module for Development Tools 15 SP4 cups Affected
SUSE Linux Enterprise Module for Development Tools 15 SP5 cups Affected
SUSE Linux Enterprise Module for Development Tools 15 SP6 cups Affected
SUSE Linux Enterprise Server 12 SP5 cups Affected
SUSE Linux Enterprise Server 12 SP5-LTSS cups Affected
SUSE Linux Enterprise Server 12 SP5-LTSS Extended Security cups Affected
SUSE Linux Enterprise Server 15 SP4 cups Affected
SUSE Linux Enterprise Server 15 SP4-LTSS cups Affected
SUSE Linux Enterprise Server 15 SP5 cups Affected
SUSE Linux Enterprise Server 15 SP5-LTSS cups Affected
SUSE Linux Enterprise Server 15 SP6 cups Affected
SUSE Linux Enterprise Server 15 SP6-LTSS cups Affected
SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 cups Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP5 cups Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP6 cups Affected
SUSE Manager Proxy 4.3 cups Affected
SUSE Manager Proxy LTS 4.3 cups Affected
SUSE Manager Retail Branch Server 4.3 cups Affected
SUSE Manager Retail Branch Server LTS 4.3 cups Affected
SUSE Manager Server 4.3 cups Affected
SUSE Manager Server LTS 4.3 cups Affected
Products past their end of life and not receiving proactive updates anymore.
HPE Helion OpenStack 8 cups Affected
SUSE CaaS Platform 4.0 cups Affected
SUSE Enterprise Storage 6 cups Affected
SUSE Enterprise Storage 7 cups Affected
SUSE Enterprise Storage 7.1 cups Affected
SUSE Linux Enterprise Desktop 12 cups Affected
SUSE Linux Enterprise Desktop 12 SP1 cups Affected
SUSE Linux Enterprise Desktop 12 SP2 cups Affected
SUSE Linux Enterprise Desktop 12 SP3 cups Affected
SUSE Linux Enterprise Desktop 12 SP4 cups Affected
SUSE Linux Enterprise Desktop 15 cups Affected
SUSE Linux Enterprise Desktop 15 SP1 cups Affected
SUSE Linux Enterprise Desktop 15 SP2 cups Affected
SUSE Linux Enterprise Desktop 15 SP3 cups Affected
SUSE Linux Enterprise Desktop 15 SP4 cups Affected
SUSE Linux Enterprise Desktop 15 SP5 cups Affected
SUSE Linux Enterprise Desktop 15 SP6 cups Affected
SUSE Linux Enterprise High Performance Computing 15 cups Affected
SUSE Linux Enterprise High Performance Computing 15 SP1 cups Affected
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS cups Affected
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS cups Affected
SUSE Linux Enterprise High Performance Computing 15 SP2 cups Affected
SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS cups Affected
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS cups Affected
SUSE Linux Enterprise High Performance Computing 15 SP3 cups Affected
SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS cups Affected
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS cups Affected
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS cups Affected
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS cups Affected
SUSE Linux Enterprise High Performance Computing 15 SP6 cups Affected
SUSE Linux Enterprise High Performance Computing 15-ESPOS cups Affected
SUSE Linux Enterprise High Performance Computing 15-LTSS cups Affected
SUSE Linux Enterprise Module for Basesystem 15 cups Affected
SUSE Linux Enterprise Module for Basesystem 15 SP1 cups Affected
SUSE Linux Enterprise Module for Basesystem 15 SP2 cups Affected
SUSE Linux Enterprise Module for Basesystem 15 SP3 cups Affected
SUSE Linux Enterprise Module for Desktop Applications 15 cups Affected
SUSE Linux Enterprise Module for Development Tools 15 cups Affected
SUSE Linux Enterprise Module for Development Tools 15 SP1 cups Affected
SUSE Linux Enterprise Module for Development Tools 15 SP2 cups Affected
SUSE Linux Enterprise Module for Development Tools 15 SP3 cups Affected
SUSE Linux Enterprise Point of Sale 12 SP2-CLIENT cups Affected
SUSE Linux Enterprise Real Time 15 SP2 cups Affected
SUSE Linux Enterprise Real Time 15 SP3 cups Affected
SUSE Linux Enterprise Real Time 15 SP4 cups Affected
SUSE Linux Enterprise Server 12 cups Affected
SUSE Linux Enterprise Server 12 SP1 cups Affected
SUSE Linux Enterprise Server 12 SP1-LTSS cups Affected
SUSE Linux Enterprise Server 12 SP2 cups Affected
SUSE Linux Enterprise Server 12 SP2-BCL cups Affected
SUSE Linux Enterprise Server 12 SP2-ESPOS cups Affected
SUSE Linux Enterprise Server 12 SP2-LTSS cups Affected
SUSE Linux Enterprise Server 12 SP3 cups Affected
SUSE Linux Enterprise Server 12 SP3-BCL cups Affected
SUSE Linux Enterprise Server 12 SP3-ESPOS cups Affected
SUSE Linux Enterprise Server 12 SP3-LTSS cups Affected
SUSE Linux Enterprise Server 12 SP4 cups Affected
SUSE Linux Enterprise Server 12 SP4-ESPOS cups Affected
SUSE Linux Enterprise Server 12 SP4-LTSS cups Affected
SUSE Linux Enterprise Server 12-LTSS cups Affected
SUSE Linux Enterprise Server 15 cups Affected
SUSE Linux Enterprise Server 15 SP1 cups Affected
SUSE Linux Enterprise Server 15 SP1-BCL cups Affected
SUSE Linux Enterprise Server 15 SP1-LTSS cups Affected
SUSE Linux Enterprise Server 15 SP2 cups Affected
SUSE Linux Enterprise Server 15 SP2-BCL cups Affected
SUSE Linux Enterprise Server 15 SP2-LTSS cups Affected
SUSE Linux Enterprise Server 15 SP3 cups Affected
SUSE Linux Enterprise Server 15 SP3-BCL cups Affected
SUSE Linux Enterprise Server 15 SP3-LTSS cups Affected
SUSE Linux Enterprise Server 15-LTSS cups Affected
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 cups Affected
SUSE Linux Enterprise Server for SAP Applications 12 cups Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP1 cups Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP2 cups Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 cups Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 cups Affected
SUSE Linux Enterprise Server for SAP Applications 15 cups Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP1 cups Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP2 cups Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP3 cups Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP4 cups Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP5 cups Affected
SUSE Linux Enterprise Software Development Kit 12 cups Affected
SUSE Linux Enterprise Software Development Kit 12 SP1 cups Affected
SUSE Linux Enterprise Software Development Kit 12 SP2 cups Affected
SUSE Linux Enterprise Software Development Kit 12 SP3 cups Affected
SUSE Linux Enterprise Software Development Kit 12 SP4 cups Affected
SUSE Linux Enterprise Software Development Kit 12 SP5 cups Affected
SUSE Manager Proxy 4.0 cups Affected
SUSE Manager Proxy 4.1 cups Affected
SUSE Manager Proxy 4.2 cups Affected
SUSE Manager Retail Branch Server 4.0 cups Affected
SUSE Manager Retail Branch Server 4.1 cups Affected
SUSE Manager Retail Branch Server 4.2 cups Affected
SUSE Manager Server 4.0 cups Affected
SUSE Manager Server 4.1 cups Affected
SUSE Manager Server 4.2 cups Affected
SUSE OpenStack Cloud 7 cups Affected
SUSE OpenStack Cloud 8 cups Affected
SUSE OpenStack Cloud 9 cups Affected
SUSE OpenStack Cloud Crowbar 8 cups Affected
SUSE OpenStack Cloud Crowbar 9 cups Affected
openSUSE Leap 15.3 cups Affected
openSUSE Leap 15.4 cups Affected
openSUSE Leap 15.5 cups Affected
openSUSE Leap Micro 5.2 cups Affected
openSUSE Leap Micro 5.3 cups Affected
openSUSE Leap Micro 5.4 cups Affected
openSUSE Leap Micro 5.5 cups Affected


SUSE Timeline for this CVE

CVE page created: Sat Apr 4 02:00:16 2026
CVE page last modified: Tue Apr 7 14:46:32 2026