{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "2.0"
              },
              {
                "last_affected": "2.0"
              },
              {
                "introduced": "2.1"
              },
              {
                "last_affected": "2.1"
              },
              {
                "introduced": "2.2"
              },
              {
                "last_affected": "2.2"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "5aea81001ac6c999175844080879f4024bf15fac"
            },
            {
              "fixed": "b4a3a695c9873f824907bd15659f2a6ac7667b4f"
            }
          ],
          "repo": "https://github.com/npitre/cramfs-tools",
          "type": "GIT"
        }
      ],
      "versions": [
        "2.0",
        "2.1",
        "2.2"
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulDB",
    "cwe_ids": [
      "CWE-59",
      "CWE-61"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/8xxx/CVE-2026-8784.json"
  },
  "details": "A vulnerability was detected in npitre cramfs-tools up to 2.2. Affected is the function change_file_status of the file cramfsck.c. Performing a manipulation results in symlink following. The attack requires a local approach. The exploit is now public and may be used. The patch is named b4a3a695c9873f824907bd15659f2a6ac7667b4f. It is recommended to apply a patch to fix this issue.",
  "id": "CVE-2026-8784",
  "modified": "2026-07-15T01:49:17.359800846Z",
  "published": "2026-05-18T02:30:13.275Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/npitre/cramfs-tools/"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/8xxx/CVE-2026-8784.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-8784"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/submit/811897"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/vuln/364408"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/npitre/cramfs-tools/issues/13"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/npitre/cramfs-tools/issues/13#issuecomment-4306102583"
    },
    {
      "type": "REPORT",
      "url": "https://vuldb.com/vuln/364408/cti"
    },
    {
      "type": "FIX",
      "url": "https://github.com/npitre/cramfs-tools/commit/b4a3a695c9873f824907bd15659f2a6ac7667b4f"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
      "type": "CVSS_V4"
    }
  ],
  "summary": "npitre cramfs-tools cramfsck.c change_file_status symlink"
}