| Component | OpenClaw |
| Severity | medium (CVSS 6.6) |
| CVSS vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N |
| Published (NVD) | 2026-06-16 |
| Last modified | 2026-06-18 |
| Affected versions | openclaw < 2026.5.6 openclaw = 2026.5.6 |
| Fixed in | 2026.5.6 |
| Weakness | CWE-184 |
| CISA KEV | not listed |
NVD description
OpenClaw before 2026.5.6 contains an allowlist bypass vulnerability in the macOS Swift exec feature that misses combined POSIX inline-command flags. Attackers can execute shell content outside the intended allowlist check by using combined flag forms, potentially allowing unauthorized command execution depending on operator configuration.
What to do
- Upgrade OpenClaw to
2026.5.6or later. - Do not expose the component's API or UI to the internet without authentication in front of it.
Sources
- NVD: CVE-2026-53861
- https://github.com/openclaw/openclaw/security/advisories/GHSA-c226-q6fx-6j6c
- https://www.vulncheck.com/advisories/openclaw-allowlist-bypass-via-combined-posix-inline-flags-on-macos
Read more
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