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 argPattern restrictions by directly invoking allowlisted executables with unrestricted arguments, potentially enabling unauthorized file access, network access, or command execution.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.006 (46.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.006 · change: +0.002
Affected products
- Openclaw — versions 0, 2026.5.12
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-v2ww-5rh7-2h5v (vendor-advisory, Vendor Advisory)
- www.vulncheck.com/advisories/openclaw-argument-pattern-bypass-in-exec-allowlist… (Third Party Advisory, 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.