CVE-2026-40354

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Summary

CVECVE-2026-40354
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-11 01:16:16 UTC
Updated2026-04-11 01:16:16 UTC
DescriptionFlatpak xdg-desktop-portal before 1.20.4 and 1.21.x before 1.21.1 allows any Flatpak app to trash any file in the host context via a symlink attack on g_file_trash.

Risk And Classification

Primary CVSS: v3.1 2.9 LOW from [email protected]

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

Problem Types: CWE-61 | CWE-61 CWE-61 UNIX Symbolic Link (Symlink) Following

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary2.9LOWCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
3.1CNACVSS2.9LOWCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Flatpak Xdg-desktop-portal affected 1.20.4 semver Not specified
CNA Flatpak Xdg-desktop-portal affected 1.21.0 1.21.1 semver Not specified

References

ReferenceSourceLinkTags
github.com/flatpak/xdg-desktop-portal/releases/tag/1.21.1 [email protected] github.com
www.openwall.com/lists/oss-security/2026/04/10/14 [email protected] www.openwall.com
github.com/flatpak/xdg-desktop-portal/security/advisories/GHSA-rqr9-jwwf... [email protected] github.com
github.com/flatpak/xdg-desktop-portal/releases/tag/1.20.4 [email protected] github.com
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