CVE-2026-71204 changedetection.io - Omitted Checkbox in /settings Save Silently Disables API Key Enforcement
Omitted checkbox in settings silently disables API key enforcement, allowing unauthorized access to the application.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-71204?
CVE-2026-71204 is a medium-severity missing authorization vulnerability in dgtlmoon changedetection.io, published on 5 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.
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.
Weakness: CWE-284
Which versions are affected by CVE-2026-71204?
How do I fix CVE-2026-71204?
No fix has been published for CVE-2026-71204 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-71204 being exploited?
There is no known exploitation of CVE-2026-71204 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-84vg-9r54-xpgh.