---
id: CVE-2026-100559
title: >-
  OpenClaw versions before 2026.8.1 contain a command parser vulnerability where
  escaped newlines confuse exec allowlist parsing, allowing hidden commands to
  execute
summary: >-
  OpenClaw versions before 2026.8.1 contain a command parser vulnerability where
  escaped newlines confuse exec allowlist parsing, allowing hidden commands to
  execute. Attackers can craft input with escaped newlines to bypass allowlist
  vali…
severity: high
cvss: 8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H'
cwe:
  - CWE-78
vendor: OpenClaw
product: OpenClaw
affected:
  - OpenClaw < 2026.8.1
published: '2026-09-26'
updated: '2026-09-26'
sourceUpdated: '2026-09-26T03:17:02.680'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-100559'
references:
  - url: >-
      https://github.com/openclaw/openclaw/security/advisories/GHSA-9f86-pvv5-rxfw
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/openclaw-before-2026.8.1-command-injection-via-escaped-newlines
    label: disclosure@vulncheck.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-09-26T03:25:24.685Z'
---

## Overview

OpenClaw versions before 2026.8.1 contain a command parser vulnerability where escaped newlines confuse exec allowlist parsing, allowing hidden commands to execute. Attackers can craft input with escaped newlines to bypass allowlist validation and execute additional commands without expected authorization prompts.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.