CVE-2026-110862

CriticalCVSS 9.1/10Last modified Oct 16, 2026

Description

Better Auth from 1.4.0-beta.18 before 1.7.7 contains an authentication bypass vulnerability that allows unauthenticated attackers to sign in as other users by reusing OAuth state values as Magic Link tokens. Attackers can start an OAuth sign-in with a victim's email and submit the returned state to Magic Link verification, gaining sessions or creating falsely email-verified accounts.

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-287

Affected software

No affected versions have been published.

Timeline

Published: Oct 14, 2026
Last modified: Oct 16, 2026
NVD status: Deferred

Related CVEs from 2026

CVE-2026-1108638.1Better Auth @better-auth/sso from 1.7.0-rc.2 before 1.7.3 contains an authentication bypass vulnerability that allows authenticated users to CVE-2026-1108647.4Better Auth from 1.5.0-beta.12 before 1.7.7 contains an authentication bypass vulnerability in the OAuth Proxy plugin that allows unauthenti CVE-2026-1108657.1Renovate before 44.60.1 contains an allowlist bypass vulnerability that allows repository users to evade the allowedHeaders restriction by p CVE-2026-1108664.7Renovate before 44.61.3 contains a protection mechanism bypass vulnerability that allows minimumReleaseAge checks to be skipped when a user CVE-2026-1108678.5Renovate before 44.60.1 contains an allowlist bypass vulnerability that allows repositories to set restricted environment variables by placi CVE-2026-1108688.5Renovate before 44.79.0 contains a server-side request forgery vulnerability that allows users to make the shared HTTP client request arbitr CVE-2026-1108697.5Nodemailer 3.0.0 before 10.0.13 has a regular expression denial of service in SMTPConnection._actionEHLO, whose four AUTH mechanism detectio CVE-2026-110876.5Uninitialized Use in ANGLE in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to lea CVE-2026-1108705.3Nodemailer from 3.0.0 before 10.0.13 contains an improper input validation vulnerability in its address parser that fails to strip RFC 5322 CVE-2026-1108716.5Nodemailer from 3.0.0 before 10.0.10 contains a denial of service vulnerability in MessageParser.parseHeaders that allows users to exhaust C CVE-2026-1108725.9Nodemailer from 3.0.0 before 10.0.10 contains a quadratic complexity denial of service vulnerability in the SMTP client reply parser in SMTP CVE-2026-1108737.1Heym from 0.0.55 before 0.0.121 contains a privilege escalation vulnerability that allows shared collaborators to overwrite a workflow's err