Brute Force Affecting @openclaw/zalo package, versions <2026.3.12
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-OPENCLAWZALO-15627726
- published15 Mar 2026
- disclosed13 Mar 2026
- creditPeng Zhou
Introduced: 13 Mar 2026
CVE-2026-34505 (opens in a new tab)How to fix?
Upgrade @openclaw/zalo to version 2026.3.12 or higher.
Overview
@openclaw/zalo is an OpenClaw Zalo channel plugin
Affected versions of this package are vulnerable to Brute Force via the Zalo webhook handler. An attacker can repeatedly attempt to guess webhook secrets without triggering rate limiting by sending requests with invalid secrets, as these requests are not counted against the rate limiter. This allows brute-force attacks to be conducted more easily.
Note:
CVE-2026-34508 is a duplicate of this vulnerability.