Security advisory

{
  "id": "650c2c2340d7c61b876cd4845ceaae150b5d30f77dda773e1c9cdb4eea062eb0",
  "url": "https://osv.dev/vulnerability/CVE-2025-71176",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2025-71176",
    "summary": "pytest through 9.0.2 on UNIX relies on directories with the /tmp/pytest-of-{user} name pattern, which allows local users to cause a denial of service or possibly gain privileges.",
    "evidence": "osv:CVE-2025-71176",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2025-71176",
      "aliases": [
        "CVE-2025-71176",
        "GHSA-6w46-j5rx-g56g",
        "PYSEC-2026-1845"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/pytest-dev/pytest",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "3d10b5148e03eb82b3ee29181dbdc73cf82699e2"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "9.0.2"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "9.0.2"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "9.0.2",
            "8.5.0.dev0",
            "8.3.0",
            "8.3.0.dev0",
            "8.2.0.dev0",
            "8.1.0.dev0",
            "8.0.0.dev0",
            "7.4.0.dev0",
            "7.2.0.dev0",
            "7.1.0.dev0",
            "6.3.0.dev0",
            "6.2.0.dev0",
            "3.1.3",
            "2.8.5",
            "2.8.3",
            "2.8.2",
            "2.8.1",
            "2.8.0",
            "2.7.0",
            "2.6.3",
            "2.6.2",
            "2.6.1",
            "2.6.0",
            "2.5.2",
            "2.5.1",
            "2.5.0",
            "2.4.2",
            "2.4.1",
            "2.4.0",
            "2.3.4",
            "2.3.3",
            "2.3.2",
            "2.3.1",
            "2.3.0",
            "2.2.4",
            "2.2.3",
            "2.2.2",
            "2.2.1",
            "2.2.0",
            "2.1.3",
            "2.1.2",
            "2.1.0",
            "2.0.3",
            "2.0.2",
            "2.0.1",
            "2.0.0",
            "1.3.3",
            "1.3.2",
            "1.3.1",
            "1.3.0",
            "1.2.1",
            "1.2.0",
            "1.1.1",
            "1.1.0",
            "1.0.0b3"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-71176.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:37.766580285Z",
      "provider": "osv",
      "references": [
        "https://www.openwall.com/lists/oss-security/2026/01/21/5",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/71xxx/CVE-2025-71176.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-71176",
        "https://github.com/pytest-dev/pytest/issues/13669"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-379"
        ],
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/71xxx/CVE-2025-71176.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-71176",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 505211,
  "published_at": "2026-01-22T04:59:17.273+00:00"
}