PT-2026-22057 · Mailpit · Mailpit

Rtvkiz · Published 2026-02-25 · Updated 2026-03-25 · CVE-2026-27808

Positive Technologies (AI Summary)

CVSS v3.1

8.6

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Mailpit versions prior to 1.29.2

Description Mailpit is an email testing tool and API for developers. A Server-Side Request Forgery (SSRF) issue exists in the Link Check API. This allows unauthenticated remote attackers to map internal networks and enumerate cloud resources. The vulnerable API endpoint is /api/v1/message/{ID}/link-check. The vulnerability allows attackers to perform internal port scanning.

Recommendations Update Mailpit to version 1.29.2 or later.

Exploit

Fix

SSRF

Weakness Enumeration

CWE-918

Related Identifiers

CVE-2026-27808

GHSA-MPF7-P9X7-96R3

GO-2026-4558

SUSE-SU-2026:1042-1

Affected Products

Mailpit

References · 138

• 🔥 https://github.com/axllent/mailpit/security/advisories/GHSA-mpf7-p9x7-96r3 · Exploit
• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27808.json · Exploit
• https://github.com/axllent/mailpit/commit/10ad4df8cc0cd9e51dea1b4410009545eef7fbf5 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2026:1042-1 · Vendor Advisory
• https://osv.dev/vulnerability/GO-2026-4558 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-27808 · Security Note
• https://osv.dev/vulnerability/GHSA-mpf7-p9x7-96r3 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-27808 · Vendor Advisory
• https://github.com/axllent/mailpit · Note
• https://github.com/axllent/mailpit/releases/tag/v1.29.2 · Note
• https://suse.com/security/cve/CVE-2026-29194 · Note
• https://suse.com/security/cve/CVE-2026-29188 · Note
• https://suse.com/security/cve/CVE-2026-26022 · Note
• https://suse.com/security/cve/CVE-2026-29054 · Note
• https://suse.com/security/cve/CVE-2026-29771 · Note