CVE-2026-35627

OpenClaw < 2026.3.22 - Unauthenticated Cryptographic Work in Nostr Inbound DM Handling

State: Published
Severity: 6.9 Medium
Published: Apr 9, 2026
Updated: Jun 23, 2026
Reserved: Apr 4, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	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	VulnCheck
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L	VulnCheck

Weaknesses

CWE-696 Incorrect Behavior Order

Affected Products

Product	Versions
OpenClawOpenClaw	before 2026.3.22Affected 2026.3.22Not affected

References

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

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