CVE-2026-28454

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

OpenClaw versions prior to 2026.2.2 fail to validate webhook secrets in Telegram webhook mode (must be enabled), allowing unauthenticated HTTP POST requests to the webhook endpoint that trust attacker-controlled JSON payloads. Remote attackers can forge Telegram updates by spoofing message.from.id and chat.id fields to bypass sender allowlists and execute privileged bot commands.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-345

Affected software

No affected versions have been published.

Timeline

Published: Mar 5, 2026
Last modified: Jun 17, 2026
NVD status: Analyzed

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