Brute Force Affecting @openclaw/nextcloud-talk package, versions <2026.5.2
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-JS-OPENCLAWNEXTCLOUDTALK-15857173
- published31 Mar 2026
- disclosed31 Mar 2026
- creditAntAISecurityLab
Introduced: 31 Mar 2026
CVE-2026-33580 (opens in a new tab)How to fix?
Upgrade @openclaw/nextcloud-talk to version 2026.5.2 or higher.
Overview
@openclaw/nextcloud-talk is an OpenClaw Nextcloud Talk channel plugin
Affected versions of this package are vulnerable to Brute Force via the webhook authentication process. An attacker can gain unauthorized access by repeatedly attempting to guess shared secrets without restriction, potentially allowing the forging of inbound webhook events.