CVE-2026-35627
OpenClaw: Nostr inbound DMs could trigger unauthenticated crypto work before sender policy enforcement
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.
How to fix CVE-2026-35627
To remediate CVE-2026-35627, upgrade the affected package to a fixed version below.
- —upgrade to 2026.3.22 or later
Is CVE-2026-35627 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2026.3.22
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N |