CVE-2026-87862 affecting package rust 1.96.1-2

{
  "id": "c08b2f19e7ced1c03a559e463281b25dd6afd53c7924227935df5aa24733603b",
  "url": "https://osv.dev/vulnerability/AZL-110226",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-87862 affecting package rust 1.96.1-2",
    "summary": "Importing a `includeSubDomains` parent HSTS entry before a longer-lived child entry, silently drops the child. Consequently, when the parent expires, the child's valid HSTS policy is lost, causing curl to issue unencrypted HTTP requests rather than upgrading to HTTPS.",
    "evidence": "osv:AZL-110226",
    "products": [
      {
        "name": {
          "value": "rust",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "AZL-110226",
      "aliases": [
        "AZL-110226"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "1.85.0"
                },
                {
                  "last_affected": "1.96.1-2"
                }
              ]
            }
          ],
          "package": {
            "name": "rust",
            "purl": "pkg:rpm/azure-linux/rust",
            "ecosystem": "Azure Linux:3"
          },
          "database_specific": {
            "source": "https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-110226.json"
          }
        }
      ],
      "modified": "2026-10-27T05:36:16Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-87862"
      ],
      "references": [
        "https://nvd.nist.gov/vuln/detail/CVE-2026-87862"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-87862",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 460600,
  "published_at": "2026-10-20T21:17:20+00:00"
}