Medium 5.3Published Feb 19, 2026

CVE-2026-25527changedetection.io vulnerable to unauthenticated static path traversal

Updated under an hour ago (Oct 26, 2026, 11:40 PM ET)

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Every CVE for dgtlmoon changedetection.io

Exploited in the last 30 days

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.

CVSS: 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness (CWE): CWE-22
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Analyzed
Record last updated: Feb 19, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

dgtlmoon changedetection.io dgtlmoon:changedetection.io (from the name)	before 0.53.2	CNA record
webtechnologies changedetection webtechnologies:changedetection	before 0.53.2	NVD

References

References

https://github.com/dgtlmoon/changedetection.io/security/advisories/GHSA-9jj8-v89v-xjvw	x-refsource-confirm, exploit, vendor-advisory
https://github.com/dgtlmoon/changedetection.io/commit/9d38b4517364831889b5b0d7b3465fd060403fd4	x-refsource-misc, patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.