{
  "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-2026-39912",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-39912",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-04-09T18:35:35.569Z",
    "updatedAt": "2026-07-14T20:00:18.922Z",
    "importedAt": "2026-10-24T01:58:08.712Z",
    "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": "v2board / Xboard Authentication Token Exposure via loginWithMailLink",
      "summary": "V2Board 1.6.1 through 1.7.4 and Xboard through 0.1.9 expose authentication tokens in HTTP response bodies of the loginWithMailLink endpoint when the login_with_mail_link_enable feature is active. Unauthenticated attackers can POST to the loginWithMailLink endpoint with a known email address to receive the full authentication URL in the response, then exchange the token at the token2Login endpoint to obtain a valid bearer token with complete account access including admin privileges.",
      "affected": [
        {
          "vendor": "v2board",
          "product": "v2board",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "1.6.1",
              "status": "affected",
              "versionType": "semver",
              "lessThanOrEqual": "1.7.4"
            },
            {
              "version": "bdb10bed32c5f37df2f0872c3cb354e9b7a293bd",
              "status": "affected",
              "versionType": "git",
              "lessThanOrEqual": "0ca47622a50116d0ddd7ffb316b157afb57d25e8"
            }
          ]
        },
        {
          "vendor": "cedar2025",
          "product": "Xboard",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "semver",
              "lessThanOrEqual": "0.1.9"
            },
            {
              "version": "121511523f04882ec0c7447acd9b8ebcb8a47957",
              "status": "unaffected",
              "versionType": "git"
            }
          ]
        }
      ]
    }
  }
}