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CVE PROGRAM SOURCE RECORD6.3 Medium

CVE-2026-33580

OpenClaw < 2026.3.28 - Brute Force Attack via Missing Rate Limiting on Webhook Shared Secret Authentication

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Status
Published
Published
Updated
Assigning organization
VulnCheck

Description

OpenClaw before 2026.3.28 contains a missing rate limiting vulnerability in the Nextcloud Talk webhook authentication that allows attackers to brute-force weak shared secrets. Attackers who can reach the webhook endpoint can exploit this to forge inbound webhook events by repeatedly attempting authentication without throttling.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

OpenClaw OpenClaw

Default version status: unaffected

  • 0 to < 2026.3.28affected
  • 2026.3.28unaffected
pkg:npm/openclaw

References