{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0.102.0-alpha.0"
              },
              {
                "fixed": "0.103.10"
              },
              {
                "introduced": "0.104.0-alpha.1"
              },
              {
                "fixed": "0.104.0-alpha.5"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "e5c8c6d9e72396ac65d649a8a90f2fbb0d7a4e20"
            },
            {
              "fixed": "348ce01c01cf8ce21199090c98853992c9c047a8"
            },
            {
              "introduced": "5a23b7e1c7b6e898d6bb437730a029b2695aa3eb"
            },
            {
              "fixed": "a531696b768d8a46f51fa36726e2f437292687de"
            }
          ],
          "repo": "https://github.com/rustls/webpki",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-pwjx-qhcg-rvj4"
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-299"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93602.json"
  },
  "details": "rustls-webpki versions before 0.103.10 and 0.104.0-alpha.5 contain faulty CRL authority-matching logic that compares only the first distributionPoint against each CRL's IssuingDistributionPoint, ignoring additional distributionPoints. Attackers with a compromised trusted issuing authority can present revoked certificates that pass revocation checks under UnknownStatusPolicy::Allow, or cause incorrect errors under the default deny policy.",
  "id": "CVE-2026-93602",
  "modified": "2026-09-19T03:30:17.995945800Z",
  "published": "2026-09-18T13:20:12.259Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93602.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/rustls/webpki/security/advisories/GHSA-pwjx-qhcg-rvj4"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-93602"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/rustls-webpki-before-0.103.10-crl-revocation-check-bypass"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "rustls-webpki before 0.103.10 CRL Revocation Check Bypass"
}