{
  "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-2026-110861",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-110861",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-10-14T22:52:45.713Z",
    "updatedAt": "2026-10-20T02:26:30.363Z",
    "importedAt": "2026-10-24T01:57:50.502Z",
    "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": "Better Auth drizzle-adapter 1.6.17 before 1.7.7 Rate Limit Bypass via Race Condition",
      "summary": "Better Auth @better-auth/drizzle-adapter and better-auth from 1.6.17 before 1.7.7, and @better-auth/kysely-adapter from 1.6.17 before 1.7.0, contain a race condition in database-backed rate limiting on PostgreSQL where the limit check is not atomic with the counter update. Remote attackers can send bursts of concurrent requests that pass the check together, exceeding configured limits on password sign-in, two-factor verification, one-time code, password reset, and other rate-limited endpoints.",
      "affected": [
        {
          "vendor": "better-auth",
          "product": "drizzle-adapter",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "1.6.17",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "1.7.7"
            },
            {
              "version": "1.7.7",
              "status": "unaffected",
              "versionType": "semver"
            }
          ]
        },
        {
          "vendor": "better-auth",
          "product": "kysely-adapter",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "1.6.17",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "1.7.0"
            },
            {
              "version": "1.7.0",
              "status": "unaffected",
              "versionType": "semver"
            }
          ]
        },
        {
          "vendor": "better-auth",
          "product": "better-auth",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "1.6.17",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "1.7.7"
            },
            {
              "version": "1.7.7",
              "status": "unaffected",
              "versionType": "semver"
            }
          ]
        }
      ]
    }
  }
}