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.
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Affected Vendors & Products
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Advisories
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Fixes
Solution
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Workaround
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References
History
Tue, 07 Apr 2026 00:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Bulwark Webmail S/MIME signature verification accepted self-signed certificates | |
| Weaknesses | CWE-295 | |
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| Metrics |
cvssV4_0
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Projects
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MITRE
Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-04-06T20:13:14.975Z
Reserved: 2026-04-02T17:03:42.074Z
Link: CVE-2026-35389
Vulnrichment
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NVD
Status : Received
Published: 2026-04-06T21:16:20.580
Modified: 2026-04-06T21:16:20.580
Link: CVE-2026-35389
Redhat
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OpenCVE Enrichment
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Weaknesses