CVE-2025-31576: Gagan Deep Singh Postmarkapp Email Integrator

Medium severity, CVSS 4.3. EPSS: 0.3% chance of exploitation in the next 30 days.

Missing Authorization vulnerability in Gagan Deep Singh PostmarkApp Email Integrator postmarkapp-email-integrator allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects PostmarkApp Email Integrator: from n/a through <= 2.4.

Affected products

• Gagan Deep Singh Postmarkapp Email Integrator: up to and including 2.4

Published 2025-03-31. Last modified 2026-06-17.