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[UPDATE] [medium] MailPit: Vulnerability allows Denial of Service

mediumCVE-2026-48824
A remote, anonymous attacker can exploit a vulnerability in MailPit to conduct a Denial of Service attack.

CSIRTS triage

vendor: MailPitproduct: MailPitDenial of service
What
A vulnerability allows a remote, anonymous attacker to conduct a Denial of Service attack.
Who is affected
All deployments of MailPit.
Urgency
Remediation is medium urgency due to the Denial of Service potential.
Action
Apply the patch for CVE-2026-48824.

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

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Details

Source
CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity
medium
Published
2026-07-21
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-2026-1728

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-48824coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

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.

More from CERT-Bund (BSI) Security Advisories