Vulnerability · Published Sep 26, 2026 · Assigned by VulnCheck
CVE-2026-100559OpenClaw before 2026.8.1 Command Injection via Escaped Newlines
High 8.0
In plain English
A high-severity OS command injection in OpenClaw from OpenClaw. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities).
Severity (CVSS 3.1)8.0High
Exploit odds (30 days)0.2%top 83.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
References
- GitHub Security Advisory (GHSA-9f86-pvv5-rxfw) vendor-advisory
- VulnCheck Advisory: OpenClaw before 2026.8.1 Command Injection via Escaped Newlines third-party-advisory