{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:vmware:spring_ai:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "1.1.0"
              },
              {
                "fixed": "1.1.7"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "fa4c61eabeba0a69147b3c00a3b50380c1f25a75"
            },
            {
              "fixed": "d8503868d3e84547db51d8f10379e1a075fe2d99"
            }
          ],
          "repo": "https://github.com/spring-projects/spring-ai",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "vmware",
    "cwe_ids": [
      "CWE-22"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41863.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "1.1.0"
          },
          {
            "last_affected": "1.1.x"
          }
        ],
        "source": "AFFECTED_FIELD"
      },
      {
        "extracted_events": [
          {
            "introduced": "Path.resolve"
          },
          {
            "introduced": "1.1.0"
          },
          {
            "fixed": "1.1.x"
          }
        ],
        "source": "DESCRIPTION"
      }
    ]
  },
  "details": "Spring AI's support for Anthropic's Skills API used LLM-influenced filenames unsanitized in Path.resolve before writing files to disk. This could allow a malicious user to write files outside the intended target directory, including restricted directories.\n\nAffected versions:\nSpring AI: 1.1.0 through 1.1.x",
  "id": "CVE-2026-41863",
  "modified": "2026-07-08T05:39:28.103349447Z",
  "published": "2026-05-25T05:45:37.690Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://spring.io/security/cve-2026-41863"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41863.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-41863"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "LLM-influenced filename used unsanitized in Path.resolve before file write in Spring AI support for Anthropic Skills API"
}