What is CVE-2026-25527?

CVE-2026-25527 is a medium-severity vulnerability in Dgtlmoon Changedetection.io, classified under Path Traversal. CVSS score: 5.3/10. Published 2026-02-19.

How severe is CVE-2026-25527?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Path Traversal in Dgtlmoon Changedetection.io

CVE-2026-25527

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 m…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.001 (27.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Dgtlmoon Changedetection.io — versions < 0.53.2

Weakness classification (CWE)

CWE-22 — Path Traversal

References

https://github.com/dgtlmoon/changedetection.io/security/advisories/GHSA-9jj8-v89v-xjvw (x_refsource_CONFIRM)
https://github.com/dgtlmoon/changedetection.io/commit/9d38b4517364831889b5b0d7b3465fd060403fd4 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-25527?: CVE-2026-25527 is a medium-severity vulnerability in Dgtlmoon Changedetection.io, classified under Path Traversal. CVSS score: 5.3/10. Published 2026-02-19.
How severe is CVE-2026-25527?: Medium severity. CVSS v3 base score is 5.3 out of 10.