CVE-2026-42594

Gotenberg CVE-2026-42594 describes an unauthenticated denial of service caused by reuse of echo.Context in the webhook async flow. Prior to 8.32.0, a goroutine holds a reference to the request context after ErrAsyncProcess, and Echo recycles the context to a pool. If a concurrent request reuses t...

EUVD-2026-13273

OpenClaw versions prior to 2026.3.2 contain a denial of service vulnerability in webhook handlers for BlueBubbles and Google Chat that parse request bodies before performing authentication and signature validation. Unauthenticated attackers can exploit this by sending slow or oversized request...

CVE-2021-22246

A vulnerability was discovered in GitLab versions before 14.0.2, 13.12.6, 13.11.6. GitLab Webhook feature could be abused to perform denial of service attacks...