[NEW] [medium] MailPit: Multiple vulnerabilities allow Denial of Service

CSIRTS triage

What

Multiple vulnerabilities allow an attacker to perform a Denial of Service attack.

Who is affected

Users of MailPit are affected.

Urgency

Remediation is medium due to the potential for exploitation, but not currently known to be actively exploited.

Action

Update to the latest version of MailPit.

AI-assisted analysis generated from the source advisory — verify against the original.

Details

Source

CERT-Bund (BSI) Security Advisories (DE · national-cert · site)

Severity

medium

Published

2026-07-09

Exploitation

Not in CISA KEV at last sync

Language

Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2256

Recent advisories for MailPit

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

• mediumCVE-2026-55187: Mailpit is an email testing tool and API for developers. Prior to 1.30.2, the remediation ship…nvd · 2026-07-10

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