{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "0"
                  },
                  {
                    "fixed": "1.2.31"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StringRangeExpression"
              },
              {
                "range": [
                  {
                    "introduced": "0"
                  },
                  {
                    "fixed": "1.2.31"
                  }
                ],
                "source": "DESCRIPTION"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1e8eaca26b84b128c39ce8cc8ece42d7ff76aac1"
            }
          ],
          "repo": "https://github.com/cacti/cacti",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-c4qp-j9r9-fq24"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-78"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/39xxx/CVE-2026-39902.json"
  },
  "details": "Cacti is an open source performance and fault management framework. Prior to version 1.2.31, the prior blocklist ([;\u0026| `$\\\\n\\r]) omitted single-quote, double-quote, redirect operators, subshell parens and braces. An authenticated admin could save an input_string` containing single-quote, redirect operator, or subshell parens, and pass the check. This issue has been patched in version 1.2.31.",
  "id": "CVE-2026-39902",
  "modified": "2026-10-31T02:30:40.874393584Z",
  "published": "2026-10-23T14:42:45.710Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/39xxx/CVE-2026-39902.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/Cacti/cacti/security/advisories/GHSA-c4qp-j9r9-fq24"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39902"
    },
    {
      "type": "FIX",
      "url": "https://github.com/Cacti/cacti/pull/7112"
    }
  ],
  "schema_version": "1.9.2",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Cacti: Authenticated RCE on Data Input"
}