CVE-2026-27566

HIGH

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

Title source: cna
STIX 2.1

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)

Core 3
Core References
Third Party Advisory third-party-advisory
GitHub Security Advisory (GHSA-jj82-76v6-933r)
https://github.com/openclaw/openclaw/security/advisories/GHSA-jj82-76v6-933r
Third Party Advisory third-party-advisory
VulnCheck Advisory: OpenClaw < 2026.2.22 - Allowlist Bypass via Wrapper Binary Unwrapping in system.run
https://www.vulncheck.com/advisories/openclaw-allowlist-bypass-via-wrapper-binary-unwrapping-in-system-run

Scores

CVSS v3 7.1
EPSS 0.0042
EPSS Percentile 33.3%
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