Vulnerability · Published Jul 20, 2026 · Assigned by VulnCheck

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

High 7.7

In plain English

A high-severity server-side request forgery in hyperdx from hyperdxio. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities).

Severity (CVSS 3.1)7.7High

Exploit odds (30 days)0.3%top 76.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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 (as reported)

Vendor	Product	Versions
hyperdxio	hyperdx	2.0.0 – before 2.31.0

Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

References

Researcher Disclosure technical-description, exploit, issue-tracking
HyperDX 2.31.0 Release Notes patch, release-notes
Pull Request issue-tracking, patch
Patch Commit patch
https://www.vulncheck.com/advisories/hyperdx-ssrf-via-clickhouse-proxy-test-endpoint third-party-advisory