CVE-2026-35627 json
OpenClaw < 2026.3.22 - Unauthenticated Cryptographic Work in Nostr Inbound DM Handling
published 2026-03-26 7 mo ago modified 2026-06-23 4 mo ago also GHSA-65h8-27jh-q8wv , EUVD-2026-21112
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 41%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- npm openclaw 2026.3.22
- OpenClaw OpenClaw 2026.3.22
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 6 mo ago
Exploit prediction
0.47% chance of exploitation in the next 30 days, higher than 41% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 6.9 | 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 |
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L |
| CNA | 4.0 | 6.9 | 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 |
| NVD | 3.1 | 8.2 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | openclaw | <2026.3.22 |
2026.3.22 |
Affected products
- OpenClaw OpenClaw
Classification
References
-
github.com
/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87
patch, web
-
github.com
/openclaw/openclaw/commit/1ee9611079e81b9122f4bed01abb3d9f56206c77
patch, web
-
github.com
/openclaw/openclaw/security/advisories/GHSA-65h8-27jh-q8wv
vendor-advisory, web
-
vulncheck.com
/advisories/openclaw-unauthenticated-cryptographic-work-in-nostr-inbound-dm-handling
third-party-advisory, web
-
nvd.nist.gov
/vuln/detail/CVE-2026-35627
advisory
-
github.com
/openclaw/openclaw
package
Sources
- CVE List CVE-2026-35627
- GitHub Advisory GHSA-65h8-27jh-q8wv
- NVD CVE-2026-35627
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