What is CVE-2026-53856?

CVE-2026-53856 is a medium-severity vulnerability in Openclaw, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 5.5/10. Published 2026-06-16.

How severe is CVE-2026-53856?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Openclaw

CVE-2026-53856

OpenClaw 2026.4.23 before 2026.4.24 contains an insecure file permissions vulnerability in config recovery that restores OpenClaw.json with overly broad permissions. Local attackers on shared hosts can read sensitive configuration data by…

EPSS: 0.001 (0.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Openclaw — versions 2026.4.23, 2026.4.24

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

disclosure@vulncheck.com (vendor-advisory, Vendor Advisory)
disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-53856?: CVE-2026-53856 is a medium-severity vulnerability in Openclaw, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 5.5/10. Published 2026-06-16.
How severe is CVE-2026-53856?: Medium severity. CVSS v3 base score is 5.5 out of 10.