CVE-2026-73420
2 advisories.
npm/@auth/core CVE-2026-73420: critical, EPSS 0.73%
Auth.js: Email normalizer validates the address before Unicode normalization, allowing a homoglyph @ bypass
Action: Upgrade @auth/core to 0.41.3 or later.
npm i @auth/core@0.41.3Affected
| introduced | fixed | last affected |
|---|---|---|
| 0.1.0 | 0.41.3 | - |
Fixed versions
| 0.41.3 |
Sources
- osv: GHSA-7rqj-j65f-68wh
- https://github.com/nextauthjs/next-auth/security/advisories/GHSA-7rqj-j65f-68wh
- https://github.com/nextauthjs/next-auth/commit/19d2feb24359fa8c79418907fc68d9ec8152ca94
- https://github.com/nextauthjs/next-auth/commit/a63eee12a1a20cb35209e44195b097868517b9a0
- https://github.com/nextauthjs/next-auth
- https://github.com/nextauthjs/next-auth/releases/tag/@auth/core@0.41.3
- https://github.com/nextauthjs/next-auth/releases/tag/next-auth@4.24.15
- https://github.com/nextauthjs/next-auth/releases/tag/next-auth@5.0.0-beta.32
CVE-2026-73420 · published · modified · JSON
npm/next-auth CVE-2026-73420: critical, EPSS 0.73%
Auth.js: Email normalizer validates the address before Unicode normalization, allowing a homoglyph @ bypass
Action: Upgrade next-auth to 4.24.15 or later.
npm i next-auth@4.24.15npm i next-auth@5.0.0-beta.32Affected
| introduced | fixed | last affected |
|---|---|---|
| 4.10.3 | 4.24.15 | - |
| 5.0.0-beta.1 | 5.0.0-beta.32 | - |
Fixed versions
| 4.24.15 | 5.0.0-beta.32 |
Sources
- osv: GHSA-7rqj-j65f-68wh#npm/next-auth
- https://github.com/nextauthjs/next-auth/security/advisories/GHSA-7rqj-j65f-68wh
- https://github.com/nextauthjs/next-auth/commit/19d2feb24359fa8c79418907fc68d9ec8152ca94
- https://github.com/nextauthjs/next-auth/commit/a63eee12a1a20cb35209e44195b097868517b9a0
- https://github.com/nextauthjs/next-auth
- https://github.com/nextauthjs/next-auth/releases/tag/@auth/core@0.41.3
- https://github.com/nextauthjs/next-auth/releases/tag/next-auth@4.24.15
- https://github.com/nextauthjs/next-auth/releases/tag/next-auth@5.0.0-beta.32
CVE-2026-73420 · published · modified · JSON