In short
- CVE-2026-35627 is a HIGH (CVSS 8.2) vulnerability affecting openclaw (openclaw), openclaw.
- Chance of exploitation in the next 30 days (EPSS): 0.45%, higher than 39.5% of all vulnerabilities.
- Fix: update to 2026.3.22 or later.
| Package | Affected versions | Patched versions |
|---|
| openclaw | < 2026.3.22
| 2026.3.22
|
| openclaw npm | < 2026.3.22
| 2026.3.22
|
Description
Summary
Nostr inbound DM handling could perform crypto and dispatch work before sender and pairing policy enforcement, enabling unauthorized pre-auth computation.
Affected Packages / Versions
- Package:
openclaw (npm)
- Affected: < 2026.3.22
- Fixed: >= 2026.3.22
- Latest released tag checked:
v2026.3.23-2 (630f1479c44f78484dfa21bb407cbe6f171dac87)
- Latest published npm version checked:
2026.3.23-2
Fix Commit(s)
1ee9611079e81b9122f4bed01abb3d9f56206c77
Release Status
The fix shipped in v2026.3.22 and remains present in v2026.3.23 and v2026.3.23-2.
Code-Level Confirmation
- extensions/nostr/src/channel.ts now performs authorization before decrypting and dispatching inbound DM content.
- extensions/nostr/src/nostr-bus.ts adds pre-crypto authorization, size, and rate guardrails before expensive decrypt work.
OpenClaw thanks @kuranikaran for reporting.
NVD 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.
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