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CVE-2026-110861

6.3 medium SSVC exploitation: none Published
NVD · CVE.org

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.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 3

  1. StatusAwaiting Analysis → PublishedNVD modified 2026-10-20 02:26
  2. StatusReceived → Awaiting AnalysisNVD modified 2026-10-15 20:33
  3. First seenCVSS 6.3NVD modified 2026-10-14 23:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 2