Vulnerability in Dgtlmoon Changedetection.io

CVE-2026-71204

changedetection.io's /settings save handler builds an update dict from form.data['application'] and blind-merges it into the stored application settings via .update(). Because WTForms represents an unchecked checkbox as False rather than '…

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-71204?
CVE-2026-71204 is a medium-severity vulnerability in Dgtlmoon Changedetection.io, classified under Improper Access Control. CVSS score: 6.2/10. Published 2026-08-05.
How severe is CVE-2026-71204?
Medium severity. CVSS v3 base score is 6.2 out of 10.