CVE-2026-35627HIGH 8.2EPSS p36.0%

CVE-2026-35627CVE-2026-35627

Description

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 crafted DM messages, enabling denial of service through resource exhaustion.

Scoring

CVSS 3.18.2 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
EPSS0.45% probability of exploitation · percentile 36.0% · 2026-06-19T12:03:05Z
Published2026-04-09
Last modified2026-04-16

Underlying weaknesses· 1

CWE-696

References

  1. https://github.com/openclaw/openclaw/commit/1ee9611079e81b9122f4bed01abb3d9f56206c77
  2. https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87
  3. https://github.com/openclaw/openclaw/security/advisories/GHSA-65h8-27jh-q8wv
  4. https://www.vulncheck.com/advisories/openclaw-unauthenticated-cryptographic-work-in-nostr-inbound-dm-handling

1

TypeTargetConfidenceTier
WeaknessIncorrect Behavior Ordercwe-6960%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.