CVE-2026-27566

HIGH

OpenClaw < 2026.2.22 - Allowlist Bypass via Wrapper Binary Unwrapping in system.run

Title source: cna

Description

OpenClaw versions prior to 2026.2.22 contain an allowlist bypass vulnerability in system.run exec analysis that fails to unwrap env and shell-dispatch wrapper chains. Attackers can route execution through wrapper binaries like env bash to smuggle payloads that satisfy allowlist entries while executing non-allowlisted commands.

References (3)

[Third Party Advisory] https://github.com/openclaw/openclaw/security/advisories/GHSA-jj82-76v6-933r

[Patch] https://github.com/openclaw/openclaw/commit/2b63592be57782c8946e521bc81286933f0f99c7

View Patch ZIP pw:eip

[Third Party Advisory] https://www.vulncheck.com/advisories/openclaw-allowlist-bypass-via-wrapper-binary-unwrapping-in-system-run

Scores

CVSS v3 7.1

EPSS 0.0009

EPSS Percentile 24.8%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-78

Status published

Products (3)

npm/openclaw 0 - 2026.2.22npm

OpenClaw/OpenClaw < 2026.2.22

openclaw/openclaw < 2026.2.22

Published Mar 19, 2026

Tracked Since Mar 19, 2026