{
  "schemaVersion": 1,
  "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"
    }
  ],
  "record": {
    "id": "CVE-2026-86716",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-86716",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-09-08T18:45:05.842Z",
    "updatedAt": "2026-09-08T19:08:36.351Z",
    "importedAt": "2026-10-24T01:58:35.090Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "Cesanta mJS mjs_tok.c skip_spaces_and_comments heap-based overflow",
      "summary": "A vulnerability was determined in Cesanta mJS up to 1.26. Affected is the function skip_spaces_and_comments of the file src/mjs_tok.c. Executing a manipulation can lead to heap-based buffer overflow. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.",
      "affected": [
        {
          "vendor": "Cesanta",
          "product": "mJS",
          "versions": [
            {
              "version": "1.0",
              "status": "affected"
            },
            {
              "version": "1.1",
              "status": "affected"
            },
            {
              "version": "1.2",
              "status": "affected"
            },
            {
              "version": "1.3",
              "status": "affected"
            },
            {
              "version": "1.4",
              "status": "affected"
            },
            {
              "version": "1.5",
              "status": "affected"
            },
            {
              "version": "1.6",
              "status": "affected"
            },
            {
              "version": "1.7",
              "status": "affected"
            },
            {
              "version": "1.8",
              "status": "affected"
            },
            {
              "version": "1.9",
              "status": "affected"
            },
            {
              "version": "1.10",
              "status": "affected"
            },
            {
              "version": "1.11",
              "status": "affected"
            },
            {
              "version": "1.12",
              "status": "affected"
            },
            {
              "version": "1.13",
              "status": "affected"
            },
            {
              "version": "1.14",
              "status": "affected"
            },
            {
              "version": "1.15",
              "status": "affected"
            },
            {
              "version": "1.16",
              "status": "affected"
            },
            {
              "version": "1.17",
              "status": "affected"
            },
            {
              "version": "1.18",
              "status": "affected"
            },
            {
              "version": "1.19",
              "status": "affected"
            },
            {
              "version": "1.20",
              "status": "affected"
            },
            {
              "version": "1.21",
              "status": "affected"
            },
            {
              "version": "1.22",
              "status": "affected"
            },
            {
              "version": "1.23",
              "status": "affected"
            },
            {
              "version": "1.24",
              "status": "affected"
            },
            {
              "version": "1.25",
              "status": "affected"
            },
            {
              "version": "1.26",
              "status": "affected"
            }
          ]
        }
      ]
    }
  }
}