CVE-2026-10269 decolua 9router HTTP Header dashboardGuard.js isAuthenticated improper authorization
Attackers can bypass authentication in the 9router dashboard by manipulating the Host header, gaining unauthorized access to protected resources.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-10269?
CVE-2026-10269 is a medium-severity missing authorization vulnerability in decolua 9router, published on 1 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A security vulnerability has been detected in decolua 9router up to 0.4.0. This issue affects the function isAuthenticated of the file src/dashboardGuard.js of the component HTTP Header Handler. The manipulation of the argument Host leads to improper authorization. The attack is possible to be carried out remotely. Upgrading to version 0.4.1 is capable of addressing this issue. The identifier of the patch is 428e2c045cb9c0eb8080e8b580471a9c2eaa95ca. Upgrading the affected component is recommended.
Which versions are affected by CVE-2026-10269?
How do I fix CVE-2026-10269?
No fix has been published for CVE-2026-10269 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-2026-10269 being exploited?
There is no known exploitation of CVE-2026-10269 in the wild and no public exploit code.
Sources
Also known as GHSA-rj93-2986-gmf9.