CVE-2026-35389

See a problem?
Please try reporting it to the source first.

Source

https://cve.org/CVERecord?id=CVE-2026-35389

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-35389.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-35389

Aliases

GHSA-v6w6-338p-p256

Published

2026-04-06T20:11:56.827Z

Modified

2026-07-08T08:11:22.542755693Z

Severity

8.7 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N CVSS Calculator

Summary

Bulwark Webmail S/MIME signature verification accepted self-signed certificates

Details

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.

Database specific

{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/35xxx/CVE-2026-35389.json",
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-295"
    ]
}

References

Affected packages

Git / github.com/bulwarkmail/webmail

Affected ranges

Type

GIT

Repo

https://github.com/bulwarkmail/webmail

Events

Introduced

Fixed

01c8afbfe8a64899b24281d9700b566bf853d853

Database specific

{
    "source": [
        "AFFECTED_FIELD",
        "CPE_RANGE"
    ],
    "cpe": "cpe:2.3:a:bulwarkmail:webmail:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "1.4.11"
        }
    ]
}

Affected versions

1.*

1.3.0

1.3.9

1.4.0

1.4.10

1.4.2

1.4.3

1.4.4

1.4.5

1.4.6

1.4.7

1.4.8

1.4.9

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-35389.json"