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CVE

CVE-2026-25527

5.3

CVSSmedium

Exploitable remotely over the internet · no authentication required.

Description

changedetection.io is a free open source web page change detection tool. In versions prior to 0.53.2, the `/static/<group>/<filename>` route accepts `group=".."`, which causes `send_from_directory("static/..", filename)` to execute. This moves the base directory up to `/app/changedetectionio`, enabling unauthenticated local file read of application source files (e.g., `flask_app.py`). Version 0.53.2 fixes the issue.

Attack Vector

Network

Privileges Req.

None

User Interaction

None

changedetection.io

Updated Sep 18, 2026View on NVD →

S4E scanner

mediumProduct Based Web Vulnerabilities~10 seconds

CVE-2026-25527 Scanner

CVE-2026-25527 Scanner - Path Traversal vulnerability in changedetection.io

Used 2.2k times · 5.9k assets checked · domain, subdomain, ipv4

Scanner page →Run scanner

CVE history: changedetection.io

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