Medium severity6.5NVD Advisory· Published Mar 31, 2026· Updated Apr 2, 2026
CVE-2026-34505
CVE-2026-34505
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
openclawnpm | < 2026.3.12 | 2026.3.12 |
Affected products
2Patches
Vulnerability mechanics
References
7- github.com/advisories/GHSA-5m9r-p9g7-679cghsaADVISORY
- github.com/openclaw/openclaw/security/advisories/GHSA-5m9r-p9g7-679cnvdVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2026-34505ghsaADVISORY
- www.vulncheck.com/advisories/openclaw-webhook-rate-limiting-bypass-via-pre-authentication-secret-validationnvdThird Party AdvisoryWEB
- github.com/openclaw/openclaw/commit/f96ba87f033a14183fa0ede912df3a592eef55ffghsaWEB
- github.com/openclaw/openclaw/pull/44173ghsaWEB
- github.com/openclaw/openclaw/releases/tag/v2026.3.12ghsaWEB
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