CVE-2026-41525 — KDE Dolphin before 25.12.3 allows applications in a Flatpak
CVE-2026-41525 — KDE Dolphin before 25.12.3 allows applications in a Flatpak (or with AppArmor confinement) to open folders outside of the application sandbox without additional scrutiny. Dolphin's implementation of the FileManager1 protocol allows the path given to be any type of file, including sc
What This Means For You
- If your environment is affected by CWE-669, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-41525 updates and patches.
Related ATT&CK Techniques
🛡️ Detection Rules
2 rules · 6 SIEM formats2 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
CVE-2026-41525 - KDE Dolphin FileManager1 Protocol Abuse
title: CVE-2026-41525 - KDE Dolphin FileManager1 Protocol Abuse
id: scw-2026-04-28-ai-1
status: experimental
level: high
description: |
Detects the use of the KDE Dolphin FileManager1 protocol to open a URL, which is the mechanism exploited by CVE-2026-41525. This rule specifically targets the 'org.kde.dolphin.open-url' command, indicating an attempt to bypass sandbox restrictions by having Dolphin open a path outside the application's intended scope, potentially leading to the execution of malicious scripts or executables.
author: SCW Feed Engine (AI-generated)
date: 2026-04-28
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-41525/
tags:
- attack.execution
- attack.t1204.002
logsource:
category: process_creation
detection:
selection:
Image|contains:
- '/usr/bin/dolphin'
CommandLine|contains:
- 'org.kde.dolphin.open-url'
condition: selection
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-41525 | vulnerability | CVE-2026-41525 |
| CWE-669 | weakness | CWE-669 |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | April 28, 2026 at 11:16 UTC |
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