CVE-2026-34505
MEDIUMOpenClaw < 2026.3.12 - Webhook Rate Limiting Bypass via Pre-Authentication Secret Validation
Title source: cnaDescription
OpenClaw before 2026.3.12 applies rate limiting only after successful webhook authentication, allowing attackers to bypass rate limits and brute-force webhook secrets. Attackers can submit repeated authentication requests with invalid secrets without triggering rate limit responses, enabling systematic secret guessing and subsequent forged webhook submission.
References (2)
Core 2
Core References
Third Party Advisory third-party-advisory
GitHub Security Advisory (GHSA-5m9r-p9g7-679c)
https://github.com/openclaw/openclaw/security/advisories/GHSA-5m9r-p9g7-679c
Third Party Advisory third-party-advisory
VulnCheck Advisory: OpenClaw < 2026.3.12 - Webhook Rate Limiting Bypass via Pre-Authentication Secret Validation
https://www.vulncheck.com/advisories/openclaw-webhook-rate-limiting-bypass-via-pre-authentication-secret-validation
Scores
CVSS v3
6.5
EPSS
0.0027
EPSS Percentile
18.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
total
Details
CWE
CWE-307
Status
published
Products (4)
npm/openclaw
0 - 2026.3.12npm
OpenClaw/OpenClaw
< 2026.3.12
openclaw/openclaw
< 2026.3.12
OpenClaw/OpenClaw
2026.3.12
Published
Mar 31, 2026
Tracked Since
Mar 31, 2026