What is CVE-2026-53853?

CVE-2026-53853 is a high-severity vulnerability in Openclaw, classified under Protection Mechanism Failure. CVSS score: 8.3/10. Published 2026-06-16.

How severe is CVE-2026-53853?

High severity. CVSS v3 base score is 8.3 out of 10.

Auth bypass in Openclaw

CVE-2026-53853

OpenClaw before 2026.5.12 contains an argument pattern validation bypass in the exec allowlist that allows attackers to execute disallowed arguments for allowlisted executables on Linux and macOS systems. Attackers can bypass configured ar…

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L.

Affected products

Openclaw — versions 0, 2026.5.12

Weakness classification (CWE)

CWE-693 — Protection Mechanism Failure
CWE-863 — Incorrect Authorization

References

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

Frequently asked questions

What is CVE-2026-53853?: CVE-2026-53853 is a high-severity vulnerability in Openclaw, classified under Protection Mechanism Failure. CVSS score: 8.3/10. Published 2026-06-16.
How severe is CVE-2026-53853?: High severity. CVSS v3 base score is 8.3 out of 10.