CVE-2026-63731
HyperDX < 2.31.0 SSRF via ClickHouse Proxy Test Endpoint
- State
- Published
- Severity
- 6.3 Medium
- Published
- Jul 20, 2026
- Updated
- Jul 28, 2026
- Reserved
- Jul 18, 2026
Description
HyperDX before 2.31.0 contains a server-side request forgery vulnerability that allows authenticated team members to direct the server to arbitrary internal destinations by supplying a caller-controlled host parameter to the ClickHouse proxy test endpoint with no URL validation or allowlist enforcement. Attackers can exploit the reflected error responses from the endpoint to disclose internal service response bodies, enabling access to internal APIs, container services, and cloud provider metadata endpoints.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N | VulnCheck |
| 3.1 | 7.7 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N | VulnCheck |
Weaknesses
- CWE-918 Server-Side Request Forgery (SSRF)
Affected Products
| Product | Versions |
|---|---|
hyperdxhyperdxio |
|
References
- Researcher Disclosuretechnical-descriptionexploitissue-tracking
- HyperDX 2.31.0 Release Notespatchrelease-notes
- Pull Requestissue-trackingpatch
- Patch Commitpatch
- https://www.vulncheck.com/advisories/hyperdx-ssrf-via-clickhouse-proxy-test-endpointthird-party-advisory
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