What is CVE-2026-41407?

CVE-2026-41407 is a low-severity vulnerability in Openclaw, classified under CWE-208. CVSS score: 3.7/10. Published 2026-04-28.

How severe is CVE-2026-41407?

Low severity. CVSS v3 base score is 3.7 out of 10.

Vulnerability in Openclaw

CVE-2026-41407

OpenClaw before 2026.4.2 contains a timing side channel vulnerability in shared-secret comparison call sites that use early length-mismatch checks instead of fixed-length comparison helpers. Attackers can measure timing differences to leak…

EPSS: 0.000 (12.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Openclaw — versions 0, 2026.4.2

Weakness classification (CWE)

CWE-208

References

GitHub Security Advisory (GHSA-jj6q-rrrf-h66h) (vendor-advisory, Vendor Advisory)
Patch Commit (Patch, patch)
VulnCheck Advisory: OpenClaw < 2026.4.2 - Timing Side Channel in Shared-Secret Comparison (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-41407?: CVE-2026-41407 is a low-severity vulnerability in Openclaw, classified under CWE-208. CVSS score: 3.7/10. Published 2026-04-28.
How severe is CVE-2026-41407?: Low severity. CVSS v3 base score is 3.7 out of 10.