CVE-2026-35627

MEDIUM EPSS 36.2%
Published Apr 9, 20262mo ago · Modified Jun 17, 20262w ago
6.9 CVSS 4.0
Medium
Find Similar
Published Apr 9, 2026 2mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
6.9
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
36.2% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-696

Affected Products 1

VendorProductVersionRange
openclawopenclaw* <2026.3.22

References 4

  • github.com https://github.com/openclaw/openclaw/commit/1ee9611079e81b9122f4bed01abb3d9f56206c77
    Patch
  • github.com https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87
    Patch
  • github.com https://github.com/openclaw/openclaw/security/advisories/GHSA-65h8-27jh-q8wv
    Vendor Advisory
  • vulncheck.com https://www.vulncheck.com/advisories/openclaw-unauthenticated-cryptographic-work-in-nostr-inbound-dm-handling
    Third Party Advisory

Remediation

  • github.com https://github.com/openclaw/openclaw/commit/1ee9611079e81b9122f4bed01abb3d9f56206c77
    Patch
  • github.com https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87
    Patch