CVE-2026-28454 OpenClaw < 2026.2.2 - Authorization Bypass via Unauthenticated Telegram Webhook

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...

CVE-2026-28454

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...

CVE-2026-28454: Insufficient Verification of Data Authenticity

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...

PT-2026-22437

Summary When Telegram webhook mode is enabled without a configured webhook secret, OpenClaw may accept unauthenticated HTTP POST requests at the Telegram webhook endpoint and trust attacker-controlled update JSON. This can allow forged Telegram updates that spoof message.from.id / chat.id,...