CVE-2026-25527
changedetection.io vulnerable to unauthenticated static path traversal
CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-22 |
| Vendor | dgtlmoon |
| Product | changedetection.io |
| Published | Feb 19, 2026 |
| Last Updated | Feb 19, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Affected Versions
dgtlmoon / changedetection.io
< 0.53.2