What is CVE-2026-27808?

CVE-2026-27808 is a medium-severity vulnerability in Axllent Mailpit, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.8/10. Published 2026-02-25.

How severe is CVE-2026-27808?

Medium severity. CVSS v3 base score is 5.8 out of 10.

SSRF in Axllent Mailpit

CVE-2026-27808

Mailpit is an email testing tool and API for developers. Prior to version 1.29.2, the Link Check API (/api/v1/message/{ID}/link-check) is vulnerable to Server-Side Request Forgery (SSRF). The server performs HTTP HEAD requests to every URL…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.000 (15.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N.

Affected products

Axllent Mailpit — versions < 1.29.2

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

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

Frequently asked questions

What is CVE-2026-27808?: CVE-2026-27808 is a medium-severity vulnerability in Axllent Mailpit, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.8/10. Published 2026-02-25.
How severe is CVE-2026-27808?: Medium severity. CVSS v3 base score is 5.8 out of 10.