CVE-2026-10556 Unauthenticated webhook request with null notification entry could crash the Microsoft Calendar plugin.

Mattermost versions 11.9.x = 11.9.0, 11.8.x = 11.8.4, 11.7.x = 11.7.7, 10.11.x = 10.11.22 fail to validate null entries in Microsoft Graph webhook notification payloads, which allows an unauthenticated attacker to crash the Microsoft Calendar plugin process and deny calendar integration service t...

EUVD-2026-18795

Budibase: Unauthenticated Remote Code Execution via Webhook Trigger and Bash Automation Step...

PT-2026-23561

Name of the Vulnerable Software and Affected Versions OpenClaw versions prior to 2026.2.14 Description The software contains a webhook signature-verification bypass in the voice-call extension. This allows unauthenticated requests when the tunnel.allowNgrokFreeTierLoopbackBypass option is enabled...