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CVE-2026-34508
6.5 MEDIUM
- CVSS version: 3.1
- Attack vector (AV): NETWORK
- Attack complexity (AC): LOW
- Privileges required (PR): NONE
- User interaction (UI): NONE
- Scope (S): UNCHANGED
- Confidentiality impact (C): LOW
- Integrity impact (I): LOW
- Availability impact (A): NONE
OpenClaw < 2026.3.12 - Webhook Rate Limiting Bypass via Pre-Authentication Secret Validation
OpenClaw before 2026.3.12 applies rate limiting only after webhook authentication succeeds, allowing attackers to bypass rate limits and brute-force webhook secrets without triggering 429 responses. Attackers can repeatedly guess invalid secrets to discover valid credentials and subsequently submit forged Zalo webhook traffic.
References
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GitHub Security Advisory (GHSA-5m9r-p9g7-679c) third-party-advisory
Affected products
OpenClaw
- ==2026.3.12
- <2026.3.12
Package maintainers
-
@chrisportela Chris Portela <chris@chrisportela.com>