Vulnerability record/PUBLISHED/Published Sep 28, 2026 18:53:28 UTC

CVE-2026-97023

A path traversal vulnerability in Flatpak's handling of the export/bin directory during app deployment allows a malicious Flatpak app to cause deletion of attacker-chosen files outside the deployment directory when the app is installed or upgraded. In system-wide installations, the deletion is performed as root.

Base score7.1/ 10

SeverityHighCVSS 3.1

Exploitability / impact

CVSS metric breakdown

Vector-derived attributes

Base severityHigh

Attack vectorNetworkAV

Attack complexityLowAC

Privileges requiredNonePR

User interactionRequiredUI

ScopeUnchangedS

Confidentiality impactNoneC

Integrity impactLowI

Availability impactHighA

CVSS vector stringCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H

CVSS communicates standardized severity and impact characteristics. It does not establish whether a system is exploitable in your specific environment.

Record context

CVE Numbering Authorityredhat

Last updatedOct 26, 2026 10:34:03 UTC

PublishedSep 28, 2026 18:53:28 UTC

ReservedSep 23, 2026 21:06:34 UTC

Credits

Red Hat would like to thank Sebastian Wick for reporting this issue.