What is CVE-2026-35627?

CVE-2026-35627 is a medium-severity vulnerability in Openclaw, classified under CWE-696. CVSS score: 6.5/10. Published 2026-04-09.

How severe is CVE-2026-35627?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Openclaw

CVE-2026-35627

OpenClaw before 2026.3.22 performs cryptographic and dispatch operations on inbound Nostr direct messages before enforcing sender and pairing policy validation. Attackers can trigger unauthorized pre-authentication computation by sending c…

EPSS: 0.001 (30.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.

Affected products

Openclaw — versions 0, 2026.3.22

Weakness classification (CWE)

CWE-696

References

GitHub Security Advisory (GHSA-65h8-27jh-q8wv) (third-party-advisory)
Patch Commit #1 (patch)
Patch Commit #2 (patch)
VulnCheck Advisory: OpenClaw < 2026.3.22 - Unauthenticated Cryptographic Work in Nostr Inbound DM Handling (third-party-advisory)

Frequently asked questions

What is CVE-2026-35627?: CVE-2026-35627 is a medium-severity vulnerability in Openclaw, classified under CWE-696. CVSS score: 6.5/10. Published 2026-04-09.
How severe is CVE-2026-35627?: Medium severity. CVSS v3 base score is 6.5 out of 10.