postal vulnerabilities

1 known vulnerability in postal from Postalserver. 1 is rated high or critical. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.

Latest first

• 8.1 High severity

  postal: Improper Neutralization of Input During Web Page Generation

  CVE-2026-25529Mar 12, 2026Postalserver

  Postal is an open source SMTP server. Postal versions less than 3.3.5 had a HTML injection vulnerability that allowed unescaped data to be included in the admin interface. The primary way for unescaped data to be added is via the API's "send/raw" method. This