What’s Vulnerable › Vulnerabilities

CVE-2026-63731: HyperDX < 2.31.0 SSRF via ClickHouse Proxy Test Endpoint

• Severity: high (CVSS 7.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-20 · updated 2026-10-24
• Weakness: CWE-918

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.

Affected products

• hyperdxio hyperdx: from 2.0.0 before 2.31.0 — fixed in 2.31.0

How to fix

Upgrade to a fixed version: hyperdxio hyperdx 2.31.0. Check the vendor advisory for mitigations.

References

• https://github.com/hyperdxio/hyperdx/commit/1705b37ac68acc222cd038327ed79e167e256a1b
• https://github.com/hyperdxio/hyperdx/issues/2588
• https://github.com/hyperdxio/hyperdx/pull/2593
• https://github.com/hyperdxio/hyperdx/releases/tag/%40hyperdx%2Fapp%402.31.0
• https://www.vulncheck.com/advisories/hyperdx-ssrf-via-clickhouse-proxy-test-endpoint
• https://github.com/hyperdxio/hyperdx/issues/2588

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