CVE-2026-35389
UNKNOWN
NVD
CVSS Score
0
Severity
UNKNOWN
Published
Apr 06, 2026
Vendor
unknown
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.