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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.

PUBLISHED Reserved 2026-02-20 | Published 2026-03-19 | Updated 2026-03-19 | Assigner VulnCheck




HIGH: 7.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N

HIGH: 7.1CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L

Problem types

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') (CWE-78)

Product status

Default status
unaffected

Any version before 2026.2.22
affected

Credits

tdjackey reporter

References

github.com/...enclaw/security/advisories/GHSA-jj82-76v6-933r (GitHub Security Advisory (GHSA-jj82-76v6-933r)) third-party-advisory

github.com/...ommit/2b63592be57782c8946e521bc81286933f0f99c7 (Patch Commit) patch

www.vulncheck.com/...wrapper-binary-unwrapping-in-system-run (VulnCheck Advisory: OpenClaw < 2026.2.22 - Allowlist Bypass via Wrapper Binary Unwrapping in system.run) third-party-advisory

cve.org (CVE-2026-27566)

nvd.nist.gov (CVE-2026-27566)

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