{
  "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-2026-9828",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-9828",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-05-28T12:52:45.852Z",
    "updatedAt": "2026-05-29T08:07:39.510Z",
    "importedAt": "2026-10-24T01:58:41.756Z",
    "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": "Logback deserialization whitelist bypass for java.lang and java.util",
      "summary": "Deserialization of untrusted data vulnerability in QOS.CH Sarl logback logback-core (HardenedObjectInputStream (logback-core) modules) allows Object Injection albeit heavily restricted.\n\nMore precisely, an attacker able to influence serialized data sent to \nSimpleSocketServer or SimpleSSLSocketServer can instantiate objects from\n classes in the java.lang and java.util packages that are not explicitly\n blocked.\n\nAlthough deserialization is heavily restricted by HardenedObjectInputStream and no \npractical way to achieve remote code execution or significant privilege \nescalation has been identified, this issue constitutes a bypass of the \nintended security restrictions.\n\n\n\nThis issue affects logback: through 1.5.32 inclusive.",
      "affected": [
        {
          "vendor": "QOS.CH Sarl",
          "product": "logback",
          "packageName": "logback-core",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "maven",
              "lessThanOrEqual": "1.5.32"
            },
            {
              "version": "1.5.33",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  }
}