Vulnerability · Published Aug 5, 2026 · Assigned by TuranSec
CVE-2026-71204changedetection.io - Omitted Checkbox in /settings Save Silently Disables API Key Enforcement
Medium 6.3
In plain English
A medium-severity improper access control in changedetection.io from dgtlmoon. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)0.3%top 74.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| dgtlmoon | changedetection.io | 0.55.7 |
Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:L
References
- https://github.com/dgtlmoon/changedetection.io third-party-advisory