What is CVE-2026-53861?

CVE-2026-53861 is a medium-severity vulnerability in Openclaw, classified under Incomplete List of Disallowed Inputs. CVSS score: 6.6/10. Published 2026-06-16.

How severe is CVE-2026-53861?

Medium severity. CVSS v3 base score is 6.6 out of 10.

Vulnerability in Openclaw

CVE-2026-53861

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…

CVSS v3 metric

CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N.

Affected products

Openclaw — versions 0, 2026.5.6

Weakness classification (CWE)

CWE-184 — Incomplete List of Disallowed Inputs

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-53861?: CVE-2026-53861 is a medium-severity vulnerability in Openclaw, classified under Incomplete List of Disallowed Inputs. CVSS score: 6.6/10. Published 2026-06-16.
How severe is CVE-2026-53861?: Medium severity. CVSS v3 base score is 6.6 out of 10.