Security advisory

{
  "id": "678109529064d9e61561d553b87ddd0bbb666e3734fdae7c5a4df8c63a0b6799",
  "url": "https://osv.dev/vulnerability/CVE-2026-67986",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-67986",
    "summary": "amazing-print/amazing_print at commit dc890dfafdf07088ea901df53c19c2710e5c5234 contains a Ruby code injection condition in AwesomeMethodArray#grep. A specially named method containing Ruby interpolation syntax can be interpolated into a dynamically constructed eval string when grep is called with a block, resulting in Ruby code execution in the host process. Exploitation requires an application path that allows an attacker to influence dynamic method names.",
    "evidence": "osv:CVE-2026-67986",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-67986",
      "aliases": [
        "CVE-2026-67986"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/amazing-print/amazing_print",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "dc890dfafdf07088ea901df53c19c2710e5c5234"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "dc890dfafdf07088ea901df53c19c2710e5c5234"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v2.0.0",
            "2.0.0",
            "v1.8.1",
            "1.8.1",
            "v1.8.0",
            "1.8.0",
            "v1.7.2",
            "v1.7.1",
            "v1.7.0",
            "v1.6.0",
            "v1.5.0",
            "v1.4.0",
            "v1.3.0",
            "v1.2.2",
            "v1.2.1",
            "v1.2.0",
            "v1.1.0",
            "v1.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-67986.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:35.298657174Z",
      "provider": "osv",
      "references": [
        "https://gist.github.com/Zykis1024/21b13ddabf1a7d9707fd573518cefa71",
        "https://github.com/amazing-print/amazing_print/blob/dc890dfafdf07088ea901df53c19c2710e5c5234/lib/amazing_print/core_ext/awesome_method_array.rb#L71",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/67xxx/CVE-2026-67986.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-67986",
        "https://github.com/amazing-print/amazing_print"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/67xxx/CVE-2026-67986.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-67986",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 502252,
  "published_at": "2026-08-13T00:00:00+00:00"
}