Description

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.

INFO

Published Date :

2026-04-09T21:27:00.140Z

Last Modified :

2026-04-09T21:27:00.140Z

Source :

VulnCheck
AFFECTED PRODUCTS

The following products are affected by CVE-2026-35628 vulnerability.

Vendors Products
Openclaw
  • Openclaw
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-35628.

URL Resource
https://github.com/openclaw/openclaw/commit/c2c136ae9517ddd0789d742a0fdf4c10e8c729a7 cve-icon cve-icon
https://github.com/openclaw/openclaw/security/advisories/GHSA-vcx4-4qxg-mfp4 cve-icon cve-icon
https://www.vulncheck.com/advisories/openclaw-brute-force-attack-via-missing-telegram-webhook-rate-limiting cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
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Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact