CVE-2026-35389

CVE-2026-35389CVE-2026-35389

bulwarkmail / webmail

Description

Bulwark Webmail is a self-hosted webmail client for Stalwart Mail Server. Prior to 1.4.11, S/MIME signature verification did not validate the certificate trust chain (checkChain: false). Any email signed with a self-signed or untrusted certificate was displayed as having a valid signature. This vulnerability is fixed in 1.4.11.

Scoring

CVSS 7.5 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Last modified2026-07-24
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.