CRITICAL 9.1 NVD
CVE-2026-121802
@better-auth/expo before 1.7.16 allows certain account-takeover outcomes (e.g., unauthenticated changes of any account's email address), because it signs a call
@better-auth/expo before 1.7.16 allows certain account-takeover outcomes (e.g., unauthenticated changes of any account's email address), because it signs a caller-supplied state value without checking whether that value had been issued by the server. NOTE: the application secret must be rotated after updating to a fixed version.
References
- https://github.com/better-auth/better-auth/blob/main/packages/expo/CHANGELOG.md
- https://github.com/better-auth/better-auth/releases/tag/v1.7.16
- https://github.com/better-auth/better-auth/security/advisories/GHSA-4wq4-2ppv-q3hg
This critical severity vulnerability with a CVSS score of 9.1 was published on 2026-11-04 via NVD.
Risk Timeline
CVE Disclosed2026-11-04 · -1 days ago
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