CVE-2026-40354

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 28/100
Published: 2026-04-11 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

No Interaction Integ. Impact

CVSS Vector Breakdown

AV: Local
AC: High
PR: Low
UI: None
S: Unchanged
C: None
I: High
A: High

Description

Flatpak 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.

Weakness Classification (1)

Affected Software (2)

VendorProductVersion
flatpak xdg-desktop-portal < 1.20.4
flatpak xdg-desktop-portal 1.21.0

Bug Bounty Relevance

28 / 100
✓ No user interaction

CVSS Score

6.3 / 10.0 v3.1
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H

EPSS — Exploitation Probability

0.13%
Raw Score 0.001280
Percentile 2.4%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00128
2026-10-28
0.00128

Intelligence Sources

nvd ref →