What is CVE-2026-43529?

CVE-2026-43529 is a low-severity vulnerability in Openclaw, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 2.5/10. Published 2026-05-05.

How severe is CVE-2026-43529?

Low severity. CVSS v3 base score is 2.5 out of 10.

Vulnerability in Openclaw

CVE-2026-43529

OpenClaw before 2026.4.10 contains a time-of-check-time-of-use vulnerability in the validateScriptFileForShellBleed function that allows local attackers to bypass workspace boundary checks. An attacker with workspace write access can race-…

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

EPSS: 0.001 (0.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 2.5 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Openclaw — versions 0, 2026.4.10

Weakness classification (CWE)

CWE-367 — Time-of-check Time-of-use (TOCTOU) Race Condition

References

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

Frequently asked questions

What is CVE-2026-43529?: CVE-2026-43529 is a low-severity vulnerability in Openclaw, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 2.5/10. Published 2026-05-05.
How severe is CVE-2026-43529?: Low severity. CVSS v3 base score is 2.5 out of 10.