npm/better-auth CVE-2026-45364: high 7.3, EPSS 0.50%
Better Auth: Rate limiter keys IPv6 addresses individually and is bypassable via prefix rotation
Action: Upgrade better-auth to 1.4.17 or later.
npm i better-auth@1.4.17npm i better-auth@1.5.0-beta.9Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.4.17 | - |
| 1.5.0-beta.1 | 1.5.0-beta.9 | - |
Fixed versions
| 1.4.17 | 1.5.0-beta.9 |
Sources
- osv: GHSA-p6v2-xcpg-h6xw
- https://github.com/better-auth/better-auth/security/advisories/GHSA-p6v2-xcpg-h6xw
- https://nvd.nist.gov/vuln/detail/CVE-2026-45364
- https://github.com/better-auth/better-auth/pull/7470
- https://github.com/better-auth/better-auth/pull/7509
- https://github.com/better-auth/better-auth/commit/43e719bcc0c223c7079fa0c611a9cf7ea1188254
- https://github.com/better-auth/better-auth/commit/57af0f7b910dcf7b1a5c0615d10b9bd56bb69bef
- https://github.com/better-auth/better-auth
CVE-2026-45364 · published · modified · JSON