CVE-2026-5259 AutohomeCorp frostmourne Alarm Preview AlarmController.java server-side request forgery
Remote attackers can exploit a server-side request forgery vulnerability in the Alarm Preview component of frostmourne to access internal 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-2026-5259?
CVE-2026-5259 is a medium-severity server-side request forgery vulnerability in AutohomeCorp frostmourne, published on 1 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was determined in AutohomeCorp frostmourne up to 1.0. The affected element is an unknown function of the file frostmourne-monitor/src/main/java/com/autohome/frostmourne/monitor/controller/AlarmController.java of the component Alarm Preview. Executing a manipulation can lead to server-side request forgery. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized.
Weakness: CWE-918
Which versions are affected by CVE-2026-5259?
How do I fix CVE-2026-5259?
No fix has been published for CVE-2026-5259 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-5259 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-5259 exists.
Sources
Also known as GHSA-6v6h-rfvh-83r8.