Description

OpenClaw versions prior to 2026.2.14 contain an authorization bypass vulnerability where Telegram allowlist matching accepts mutable usernames instead of immutable numeric sender IDs. Attackers can spoof identity by obtaining recycled usernames to bypass allowlist restrictions and interact with bots as unauthorized senders.

INFO

Published Date :

2026-03-05T21:59:55.589Z

Last Modified :

2026-03-09T20:58:49.810Z

Source :

VulnCheck
AFFECTED PRODUCTS

The following products are affected by CVE-2026-28480 vulnerability.

Vendors Products
Openclaw
  • Openclaw
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-28480.

URL Resource
https://github.com/openclaw/openclaw/commit/9e147f00b48e63e7be6964e0e2a97f2980854128 cve-icon cve-icon
https://github.com/openclaw/openclaw/commit/e3b432e481a96b8fd41b91273818e514074e05c3 cve-icon cve-icon
https://github.com/openclaw/openclaw/security/advisories/GHSA-mj5r-hh7j-4gxf cve-icon cve-icon
https://www.vulncheck.com/advisories/openclaw-identity-spoofing-via-mutable-username-in-telegram-allowlist-authorization cve-icon cve-icon
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CVSS Vulnerability Scoring System

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