{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:vmware:spring_security:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "7.1.0"
              },
              {
                "fixed": "7.1.0.1"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "8078781a6bdbd0c44755d24e13839d041caece34"
            },
            {
              "fixed": "ab8b139278dc0649bab1f520fb2a78c7719d56f9"
            }
          ],
          "repo": "https://github.com/spring-projects/spring-security",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "vmware",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59277.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "7.1.0"
          },
          {
            "last_affected": "7.1.0"
          }
        ],
        "source": "AFFECTED_FIELD"
      }
    ]
  },
  "details": "Spring Security's InetAddressMatchers utility provides matchInternal() and matchExternal() builders for constructing an InetAddressMatcher that classifies a given IP address as belonging to an internal (private) or external (public) network.\nSpring Security 7.1.0",
  "id": "CVE-2026-59277",
  "modified": "2026-09-04T03:31:05.019316743Z",
  "published": "2026-08-27T17:57:36.006Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://spring.io/security/cve-2026-59277"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59277.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-59277"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Spring Security InetAddressMatchers Incomplete Internal Network Classification"
}