{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "fixed": "9.20.0"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6c4dda66863adc067152148dff5c2f56aaa2c343"
            }
          ],
          "repo": "https://github.com/code16/sharp",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-9ffq-6457-8958"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-22"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33686.json"
  },
  "details": "Sharp is a content management framework built for Laravel as a package. Versions prior to 9.20.0 have a path traversal vulnerability  in the FileUtil class. The application fails to sanitize file extensions properly, allowing path separators to be passed into the storage layer. In `src/Utils/FileUtil.php`, the `FileUtil::explodeExtension()` function extracts a file's extension by splitting the filename at the last dot. This issue has been patched in version 9.20.0 by properly sanitizing the extension using `pathinfo(PATHINFO_EXTENSION)` instead of `strrpos()`, alongside applying strict regex replacements to both the base name and the extension.",
  "id": "CVE-2026-33686",
  "modified": "2026-04-01T23:10:39.761261655Z",
  "published": "2026-03-26T21:54:25.294Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33686.json"
    },
    {
      "type": "FIX",
      "url": "https://github.com/code16/sharp/pull/715"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/code16/sharp/security/advisories/GHSA-9ffq-6457-8958"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33686"
    }
  ],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Sharp is Vulnerable to Path Traversal via Unsanitized Extension in FileUtil"
}