{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:bulwarkmail:webmail:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "1.4.11"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "CPE_RANGE"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "01c8afbfe8a64899b24281d9700b566bf853d853"
            }
          ],
          "repo": "https://github.com/bulwarkmail/webmail",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-v6w6-338p-p256"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-295"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/35xxx/CVE-2026-35389.json"
  },
  "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.",
  "id": "CVE-2026-35389",
  "modified": "2026-07-08T05:36:50.672348775Z",
  "published": "2026-04-06T20:11:56.827Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/35xxx/CVE-2026-35389.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/bulwarkmail/webmail/security/advisories/GHSA-v6w6-338p-p256"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-35389"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "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",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Bulwark Webmail S/MIME signature verification accepted self-signed certificates"
}