{
  "published": "2026-04-17T13:16:54Z",
  "modified": "2026-05-27T17:41:53Z",
  "schema_version": "1.7.5",
  "id": "CGA-74vg-9qrm-r27f",
  "severity": [
    {
      "type": "CVSS_V4",
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U"
    }
  ],
  "upstream": [
    "CVE-2026-27820",
    "GHSA-g857-hhfv-j68w"
  ],
  "references": [
    {
      "type": "WEB",
      "url": "https://hackerone.com/reports/3467067"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27820.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/ruby/zlib/security/advisories/GHSA-g857-hhfv-j68w"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-27820"
    }
  ],
  "affected": [
    {
      "package": {
        "ecosystem": "Chainguard",
        "name": "truffleruby",
        "purl": "pkg:apk/chainguard/truffleruby?arch=x86_64"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "34.0.1-r0"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "components": [
          {
            "component_name": "zlib",
            "component_version": "3.1.1",
            "component_type": "gem",
            "component_location": "/usr/share/truffleruby/lib/gems/specifications/default/zlib-3.1.1.gemspec",
            "component_purl": "pkg:gem/zlib@3.1.1",
            "latest_event_status": "fixed",
            "latest_event_timestamp": "2026-05-27T17:41:53Z"
          }
        ]
      }
    }
  ]
}