CVE-2026-35623
6.3
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Summary
OpenClaw before 2026.3.25 contains a missing rate limiting vulnerability in webhook authentication that allows attackers to brute-force weak webhook passwords without throttling. Remote attackers can repeatedly submit incorrect password guesses to the webhook endpoint to compromise authentication and gain unauthorized access.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| OpenClaw | OpenClaw | 0 < 2026.3.25 | affected |
| OpenClaw | OpenClaw | 2026.3.25 | unaffected |
Weaknesses
- CWE-307: CWE-307 Improper Restriction of Excessive Authentication Attempts
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://github.com/openclaw/openclaw/security/advisories/GHSA-xq8g-hgh6-87hv
- https://github.com/openclaw/openclaw/commit/5e08ce36d522a1c96df2bfe88e39303ae2643d92
- https://www.vulncheck.com/advisories/openclaw-brute-force-attack-via-missing-webhook-password-rate-limiting
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