What is CVE-2026-41397?

CVE-2026-41397 is a medium-severity vulnerability in Openclaw, classified under Improper Link Resolution Before File Access. CVSS score: 6.8/10. Published 2026-04-28.

How severe is CVE-2026-41397?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Vulnerability in Openclaw

CVE-2026-41397

OpenClaw before 2026.3.31 contains a sandbox escape vulnerability allowing attackers to traverse directory boundaries through symlink exploitation during file synchronization operations. Remote attackers can bypass sandbox restrictions by…

EPSS: 0.001 (22.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Openclaw — versions 0, 2026.3.31

Weakness classification (CWE)

CWE-59 — Improper Link Resolution Before File Access

References

GitHub Security Advisory (GHSA-cwf8-44x6-32c2) (vendor-advisory, Vendor Advisory)
Patch Commit (Patch, patch)
Patch Commit (Patch, patch)
VulnCheck Advisory: OpenClaw < 2026.3.31 - Sandbox Escape via Unrestricted File Sync and Symlink Traversal (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-41397?: CVE-2026-41397 is a medium-severity vulnerability in Openclaw, classified under Improper Link Resolution Before File Access. CVSS score: 6.8/10. Published 2026-04-28.
How severe is CVE-2026-41397?: Medium severity. CVSS v3 base score is 6.8 out of 10.