CVE-2026-63730 HyperDX < 2.31.0 SSRF via Webhook Test Endpoint
Authenticated users can exploit a webhook test endpoint to perform server-side request forgery, accessing internal services and cloud metadata.
- 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-2026-63730?
CVE-2026-63730 is a medium-severity server-side request forgery vulnerability in hyperdxio hyperdx, published on 20 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
HyperDX before 2.31.0 contains a server-side request forgery vulnerability that allows authenticated team members to direct the server to make requests to arbitrary internal network destinations by supplying a caller-controlled URL to the webhook test endpoint. Attackers can bypass the insufficient hostname blacklist validation in the webhook handler to enumerate internal services, interact with internal containers, or access cloud instance metadata services including provider metadata endpoints.
Weakness: CWE-918
Which versions are affected by CVE-2026-63730?
How do I fix CVE-2026-63730?
No fix has been published for CVE-2026-63730 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-2026-63730 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-63730 exists.
Sources
Also known as GHSA-2f42-7f9w-fc76.