CVE-2026-101049 Heym before 0.0.53 Slack Webhook Signature Verification Bypass

Heym before 0.0.53 fails to verify Slack request signatures when trigger nodes lack credential IDs or have empty signing secrets. Remote unauthenticated attackers can send forged Slack events to known webhook URLs to trigger workflows with the owner's credentials...

CVE-2026-100865

Heym before 0.0.53 evaluates workflow condition expressions using Python's eval with insufficient sandboxing in the workflow executor service. Authenticated users can edit workflow condition nodes or import malicious templates to execute arbitrary Python and OS commands as the backend process use...

CVE-2026-100865

The Heym workflow automation platform, in versions before 0.0.53 , is vulnerable to Remote Code Execution (RCE) due to insufficient sandboxing when evaluating workflow condition expressions using Python's eval() function in the workflow executor service. Authenticated users can exploit this by ed...

PT-2026-99485

Name of the Vulnerable Software and Affected Versions Heym versions prior to 0.0.53 Description Multiple security issues exist in the software. The workflow condition evaluator uses the Python eval function without an effective sandbox, enabling users who can edit workflow branch/condition nodes ...

CVE-2026-61436 PraisonAI before 4.6.78 Missing Webhook Signature Verification

PraisonAI before 4.6.78 fails to verify Svix webhook signatures in AgentMail webhook mode, allowing unauthenticated attackers to forge message.received events. Attackers can send crafted JSON payloads to the webhook endpoint to invoke configured agents with arbitrary sender addresses and message...

CVE-2026-39969 TypeBot: WhatsApp Webhook Endpoint Missing Signature Verification

TypeBot is a chatbot builder tool. In versions 3.16.0 and prior, the WhatsApp Cloud API webhook endpoint POST /v1/workspaces/workspaceId/whatsapp/credentialsId/webhook does not verify the x-hub-signature-256 HMAC signature included by Meta in every webhook delivery. The webhook URL exposes both...

CVE-2026-5167 Masteriyo LMS <= 2.1.7 - Unauthenticated Authorization Bypass to Arbitrary Order Completion via Stripe Webhook Endpoint

The Masteriyo LMS – Online Course Builder for eLearning, LMS & Education plugin for WordPress is vulnerable to Authorization Bypass Through User-Controlled Key in versions up to and including 2.1.7. This is due to insufficient webhook signature verification in the handlewebhook function. The...

CVE-2026-5167: Authorization Bypass Through User-Controlled Key

The Masteriyo LMS – Online Course Builder for eLearning, LMS & Education plugin for WordPress is vulnerable to Authorization Bypass Through User-Controlled Key in versions up to and including 2.1.7. This is due to insufficient webhook signature verification in the handlewebhook function. The...

CVE-2026-29606: Missing Authentication for Critical Function

OpenClaw versions prior to 2026.2.14 contain a webhook signature-verification bypass in the voice-call extension that allows unauthenticated requests when the tunnel.allowNgrokFreeTierLoopbackBypass option is explicitly enabled. An external attacker can send forged requests to the publicly...

PT-2026-22435

Summary A Twilio webhook signature-verification bypass in the voice-call extension could allow unauthenticated webhook requests when a specific ngrok free-tier compatibility option is enabled. Impact This issue is limited to configurations that explicitly enable and expose the voice-call webhook...