---
id: GHSA-vqx6-6j84-2794
title: >-
  Duplicate Advisory: Hostname checks could treat trailing-dot hosts
  inconsistently
summary: >-
  Duplicate Advisory: Hostname checks could treat trailing-dot hosts
  inconsistently
severity: medium
cvss: 6.5
cwe:
  - CWE-918
vendor: openclaw
product: openclaw
ecosystem: npm
affected:
  - openclaw <= 2026.5.22
published: '2026-06-16'
updated: '2026-06-18'
source: GHSA
sourceUrl: 'https://github.com/advisories/GHSA-vqx6-6j84-2794'
references:
  - url: >-
      https://github.com/openclaw/openclaw/security/advisories/GHSA-gxg4-2rrr-jhc7
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-53859'
  - url: >-
      https://www.vulncheck.com/advisories/openclaw-hostname-validation-bypass-via-trailing-dot-inconsistency
  - url: 'https://github.com/advisories/GHSA-vqx6-6j84-2794'
tags:
  - ghsa
  - npm
ingestedAt: '2026-06-29T14:31:47.490Z'
---

## Overview

## Duplicate Advisory

This advisory has been withdrawn because it is a duplicate of GHSA-gxg4-2rrr-jhc7. This link is maintained to preserve external references.

## Original Description
OpenClaw before 2026.5.26 contains a hostname validation vulnerability allowing attackers to bypass blocklist comparisons using trailing-dot notation in model or workspace-derived URLs. Attackers can exploit inconsistent hostname checks to reach destinations that operators intended to block through hostname policies.

## Affected packages

- `openclaw <= 2026.5.22`

## Remediation

Refer to the advisory for the patched release.