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CVE-2026-35628

CVE-2026-35628 · OpenClaw < 2026.3.25 - Brute-Force Attack via Missing Telegram Webhook Rate Limiting

This page contains facts from public vulnerability sources. Check the original advisory before updating.

OpenClaw before 2026.3.25 contains a missing rate limiting vulnerability in Telegram webhook authentication that allows attackers to brute-force weak webhook secrets. The vulnerability enables repeated authentication guesses without throttling, permitting attackers to systematically guess webhook secrets through brute-force attacks.

CVSS 6.3 · Medium · EPSS 0.3% · Fix available

Published
Updated

Stack: node

Affected products and versions

  • openclaw

    Versions
    • ≥ 0, < 2026.3.25: Affected (semver)
    • 2026.3.25: Not affected (semver)

    Update to 2026.3.25

  • openclaw npm

    Affected ranges
    • SEMVER: ≤ 2026.3.24

    No fix published

Original sources

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