Bug 2569677 (CVE-2026-104619)

Summary: CVE-2026-104619 PackageKit: PackageKit: Privilege escalation via security update rollback in Zypp backend
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: rhel-process-autobot, watson-tool-maintainers
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in PackageKit. This vulnerability allows a local, unprivileged user to achieve privilege escalation by rolling back installed security updates through the Zypp backend. By downgrading system packages to earlier vulnerable versions, an attacker can reintroduce and exploit previously patched flaws to gain elevated privileges on the system.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Description OSIDB Bzimport 2026-11-10 14:04:01 UTC
Untrusted users could roll back security updates when using the PackageKit Zypp Backend before 1.4.1, allowing privilege escalation.