{
  "schemaVersion": 1,
  "site": "https://cveboard.org",
  "generatedAt": "2026-10-23T20:15:48.487Z",
  "lastRun": "2026-10-23T20:01:03.754Z",
  "liveDays": 14,
  "filters": {
    "kind": null,
    "exploited": false,
    "severity": null,
    "ecosystems": [],
    "tag": "rubygems"
  },
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "incidents": [
    {
      "id": "cve-2026-77602",
      "url": "https://cveboard.org/i/cve-2026-77602",
      "urlPt": "https://cveboard.org/pt/i/cve-2026-77602",
      "json": "https://cveboard.org/i/cve-2026-77602.json",
      "kind": "vuln",
      "live": false,
      "knownExploited": false,
      "severity": "critical",
      "title": "OpenC3 COSMOS: Authenticated remote code execution via the user-writable config overlay (table definitions, cmd/tlm definitions, and script suites)",
      "summary": "COSMOS reads configuration from a user-writable overlay (targets_modified/) before the read-only plugin-installed targets/ tree, and the config subsystem executes code on those files: ConfigParser renders every file as ERB by default, a GENERIC_READ_CONVERSION / GENERIC_WRITE_CONVERSION block is evaluated as code by GenericConversion (Ruby and Python), and the Script Runner suite analysis…",
      "titlePt": "OpenC3 COSMOS: execução remota de código autenticada via overlay de configuração que pode ser escrito pelo usuário (definições de tabelas, definições de cmd/tlm e suítes de scripts)",
      "summaryPt": "COSMOS lê a configuração de um overlay que pode ser escrito pelo usuário (targets_modified/) antes da árvore de plugins instalados somente leitura targets/, e o subsistema de configuração executa código nesses arquivos: ConfigParser renderiza cada arquivo como ERB por padrão, um bloco GENERIC_READ_CONVERSION / GENERIC_WRITE_CONVERSION é avaliado como código pelo GenericConversion (Ruby e Python), e a análise da suíte Script Runner…",
      "affected": [],
      "omitted": 0,
      "references": [
        {
          "url": "https://github.com/OpenC3/cosmos/security/advisories/GHSA-jjq7-m736-w977",
          "tag": "exploit"
        }
      ],
      "cwes": [
        {
          "id": "CWE-94",
          "name": "Improper Control of Generation of Code ('Code Injection')"
        }
      ],
      "ssvc": {
        "exploitation": "poc",
        "automatable": "no",
        "impact": "total",
        "at": "2026-09-29T02:08:58.163Z"
      },
      "fix": "listed",
      "tags": [
        "openc3",
        "rubygems"
      ],
      "cves": [
        "CVE-2026-77602"
      ],
      "ghsa": "GHSA-jjq7-m736-w977",
      "cvss": {
        "score": 9.9,
        "version": "3.1",
        "by": "GitHub"
      },
      "epss": {
        "percentage": 0.00574,
        "percentile": 0.46681,
        "asOf": "2026-10-23",
        "by": "FIRST"
      },
      "packages": [
        {
          "ecosystem": "rubygems",
          "name": "openc3",
          "vulnerable": ">= 5.1.0, <= 7.2.1",
          "fixed": "7.3.0",
          "advisory": "GHSA-jjq7-m736-w977"
        }
      ],
      "vendor": "OpenC3",
      "product": "cosmos",
      "kev": null,
      "breach": null,
      "retracted": false,
      "sources": [
        {
          "label": "GitHub Advisory Database",
          "url": "https://github.com/advisories/GHSA-jjq7-m736-w977"
        }
      ],
      "cvePending": true,
      "publishedAt": "2026-09-23T18:57:24.000Z",
      "updatedAt": "2026-09-23T18:57:24.000Z"
    }
  ],
  "tag": {
    "tag": "rubygems",
    "name": "RubyGems",
    "kev": null
  }
}