Apache Neethi: Uncontrolled recursion in policy processing

{
  "id": "f07853760f39784db831211c16b8af79990895924e7d00e6773b6fbdbd7daf0a",
  "url": "https://osv.dev/vulnerability/CVE-2026-66142",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Apache Neethi: Uncontrolled recursion in policy processing",
    "summary": "Apache Neethi is vulnerable to uncontrolled recursion when parsing policies that lack policy Ids or with deeply nested structures, which may lead to a denial of service attack when parsing policies due to runtime memory exhaustion. Users are recommended to upgrade to version 3.2.3, which fixes this issue.",
    "evidence": "osv:CVE-2026-66142",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-66142",
      "aliases": [
        "CVE-2026-66142"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/apache/ws-neethi",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "a1300b3da80ee1f242f928ec0aaf5fc06845beaf"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:apache:neethi:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "3.2.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "neethi-3.2.2",
            "neethi-3.2.1",
            "neethi-3.2.0",
            "neethi-3.0.2@1310942",
            "neethi-3.0.1@1145220",
            "3.0.0@1088365",
            "2.0.5@787316",
            "2.0.4@649060",
            "2.0.3@646794",
            "2_0_2@556647",
            "2_0_2@553081",
            "2_0_1@529482",
            "2_0@474163",
            "1_0_1@398892",
            "neethi-3.0.2@398891",
            "neethi-3.0.1@398891",
            "3.0.0@398891",
            "2_0_2@398891-",
            "2_0_2@398891",
            "2_0_1@398891",
            "2_0@398891",
            "2.0.5@398891",
            "2.0.4@398891",
            "2.0.3@398891",
            "1_0_1@398891",
            "1_01_RC@392334",
            "neethi-3.0.2@388355",
            "neethi-3.0.1@388355",
            "3.0.0@388355",
            "2_0_2@388355-",
            "2_0_2@388355",
            "2_0_1@388355",
            "2_0@388355",
            "2.0.5@388355",
            "2.0.4@388355",
            "2.0.3@388355",
            "1_0_1@388355",
            "1_01_RC@388355",
            "1_0@388063",
            "0_90@383288",
            "neethi-3.0.2@374083",
            "neethi-3.0.1@374083",
            "3.0.0@374083",
            "2_0_2@374083--",
            "2_0_2@374083-",
            "2_0_1@374083",
            "2_0@374083",
            "2.0.5@374083",
            "2.0.4@374083",
            "2.0.3@374083",
            "1_0_1@374083",
            "1_0@374083",
            "1_01_RC@374083",
            "0_90@374083",
            "2_0_2@374083",
            "neethi-3.0.2@331547",
            "neethi-3.0.1@331547",
            "3.0.0@331547",
            "2_0_2@331547--",
            "2_0_2@331547-",
            "2_0_2@331547",
            "2_0_1@331547",
            "2_0@331547",
            "2.0.5@331547",
            "2.0.4@331547",
            "2.0.3@331547",
            "1_0_1@331547",
            "1_0@331547",
            "1_01_RC@331547",
            "0_90@331547"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-66142.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:29.283300054Z",
      "provider": "osv",
      "references": [
        "https://repo.maven.apache.org/maven2",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/66xxx/CVE-2026-66142.json",
        "https://lists.apache.org/thread/fomwtwt4pzzhxn4fyn3skykto913vfzt",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-66142"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-400"
        ],
        "cna_assigner": "apache",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "3.2.3"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/66xxx/CVE-2026-66142.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-66142",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 496322,
  "published_at": "2026-07-24T12:07:26.323+00:00"
}