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CVE-2026-27808 - Vulnerability Analysis

MediumCVSS: 5.8

Last Updated: February 28, 2026

Mailpit - Server-Side Request Forgery

Published: February 26, 2026Updated: February 28, 2026PoC AvailableRemote Exploitable

Overview

Mailpit < 1.29.2 contains a server-side request forgery caused by unvalidated HTTP HEAD requests in the Link Check API, letting remote attackers perform SSRF with no authentication or user interaction.

Severity & Score

Severity: Medium

CVSS Score: 5.8

Impact

Remote attackers can make the server send arbitrary HTTP requests, potentially accessing internal resources or services.

Mitigation

Upgrade to version 1.29.2 or later.

References

https://github.com/axllent/mailpit/commit/10ad4df8cc0cd9e51dea1b4410009545eef7fbf5
https://github.com/axllent/mailpit/releases/tag/v1.29.2
https://github.com/axllent/mailpit/security/advisories/GHSA-mpf7-p9x7-96r3

Related Resources

Vulnerability Intelligence Dashboard
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Details

CVE ID: CVE-2026-27808
Severity: Medium
CVSS Score: 5.8
Type: server_side_request_forgery
Status: confirmed

CWE

CWE-918

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N