What is CVE-2026-41301?

CVE-2026-41301 is a medium-severity vulnerability in Openclaw, classified under Improper Verification of Cryptographic Signature. CVSS score: 5.3/10. Published 2026-04-21.

How severe is CVE-2026-41301?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Openclaw

CVE-2026-41301

OpenClaw versions 2026.3.22 before 2026.3.31 contain a signature verification bypass vulnerability in the Nostr DM ingress path that allows pairing challenges to be issued before event signature validation. An unauthenticated remote attack…

EPSS: 0.003 (16.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Openclaw — versions 2026.3.22, 2026.3.31

Weakness classification (CWE)

CWE-347 — Improper Verification of Cryptographic Signature

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-2026-41301?: CVE-2026-41301 is a medium-severity vulnerability in Openclaw, classified under Improper Verification of Cryptographic Signature. CVSS score: 5.3/10. Published 2026-04-21.
How severe is CVE-2026-41301?: Medium severity. CVSS v3 base score is 5.3 out of 10.