---
title: "CVE-2026-114607: Better Auth - Authentication Bypass"
description: "Better Auth 1.4.0-beta.18 to 1.7.7 contains an authentication bypass caused by OAuth sign-in state and Magic Link token collision in verification records, letting unauthenticated attackers obtain sessions or create verified accounts, exploit requires specific configuration settings."
url: https://panop.io/threat-heartbeat/CVE-2026-114607/
---

# CVE-2026-114607 Better Auth - Authentication Bypass

Better Auth 1.4.0-beta.18 to 1.7.7 contains an authentication bypass caused by OAuth sign-in state and Magic Link token collision in verification records, letting unauthenticated attackers obtain sessions or create verified accounts, exploit requires specific configuration settings.

CVSS base score 9.1 /10

Critical

CISA KEV

Not listed

Public exploit

None known

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-114607)

## Details

Type

Authentication Bypass

Impact

Broken Authentication

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Published

22 October 2026

Updated

23 October 2026

Weakness

[CWE-287](https://cwe.mitre.org/data/definitions/287.html)

## Vendor fix

Update to version 1.7.7 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-114607](https://nvd.nist.gov/vuln/detail/CVE-2026-114607)
- [https://github.com/better-auth/better-auth/commit/ac54bfd67821a7607533af2059858b12bc54e26a](https://github.com/better-auth/better-auth/commit/ac54bfd67821a7607533af2059858b12bc54e26a)
- [https://github.com/better-auth/better-auth/pull/11494](https://github.com/better-auth/better-auth/pull/11494)
- [https://github.com/better-auth/better-auth/releases/tag/v1.7.7](https://github.com/better-auth/better-auth/releases/tag/v1.7.7)
- [https://github.com/better-auth/better-auth/security/advisories/GHSA-965c-763c-88jm](https://github.com/better-auth/better-auth/security/advisories/GHSA-965c-763c-88jm)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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