What is CVE-2026-27523?

CVE-2026-27523 is a medium-severity vulnerability in Openclaw, classified under Path Traversal. CVSS score: 6.1/10. Published 2026-03-18.

How severe is CVE-2026-27523?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Path Traversal in Openclaw

CVE-2026-27523

OpenClaw versions prior to 2026.2.24 contain a sandbox bind validation vulnerability allowing attackers to bypass allowed-root and blocked-path checks via symlinked parent directories with non-existent leaf paths. Attackers can craft bind…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.001 (25.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L.

Affected products

Openclaw — versions 0

Weakness classification (CWE)

CWE-22 — Path Traversal

References

GitHub Security Advisory (GHSA-m8v2-6wwh-r4gc) (third-party-advisory)
Patch Commit (patch)
VulnCheck Advisory: OpenClaw < 2026.2.24 - Sandbox Bind Validation Bypass via Symlink-Parent Missing-Leaf Paths (third-party-advisory)

Frequently asked questions

What is CVE-2026-27523?: CVE-2026-27523 is a medium-severity vulnerability in Openclaw, classified under Path Traversal. CVSS score: 6.1/10. Published 2026-03-18.
How severe is CVE-2026-27523?: Medium severity. CVSS v3 base score is 6.1 out of 10.