CVE-2026-55187
A remote, anonymous attacker can exploit a vulnerability in MailPit to bypass security measures.
CSIRTS triage
- What
- A vulnerability in MailPit allows a remote, anonymous attacker to bypass security measures.
- Who is affected
- Users of MailPit are affected by this vulnerability.
- Urgency
- Remediation is medium urgency as the vulnerability is not currently exploited but poses a security risk.
- Action
- Update MailPit to the latest version to mitigate this issue.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.38% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 32% of all EPSS-scored CVEs.
Advisory coverage (3)
- medium[NEW] [medium] MailPit: Vulnerability allows bypassing of security measurescert-bund · 2026-07-13
- 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
- mediumGHSA-w4mc-hhc6-xp28: Mailpit: Incomplete SSRF protection in Link Check API via IPv6 transition mechanismsghsa · 2026-06-19
External references
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[](https://www.csirts.com/cve/CVE-2026-55187)