# Auth.js NextAuth.js vulnerabilities

Source: https://junglewise.ai/threats/technologies/nextauth-js  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 12 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/nextauth-js.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 3 vulnerabilities in Auth.js NextAuth.js: 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-73420, was published on 13 August 2026.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 3 (0 critical, 0 exploited in the wild)

## About Auth.js NextAuth.js

A complete open-source authentication solution for Next.js applications.

## Latest Auth.js NextAuth.js vulnerabilities

- [CVE-2026-73420: Auth.js email normalizer homoglyph @ bypass in passwordless sign-in](https://junglewise.ai/threats/cve-2026-73420-auth-js-email-normalizer-homoglyph-bypass-in-passwordless-sign-in) (medium, CVSS 4, published 13 Aug 2026)
- [CVE-2026-73419: Auth.js OAuth provider-confusion in state/nonce/PKCE cookies](https://junglewise.ai/threats/cve-2026-73419-auth-js-oauth-provider-confusion-in-state-nonce-pkce-cookies) (medium, CVSS 6.8, published 12 Aug 2026)
- [CVE-2026-73418: NextAuth.js provides authentication for Next.js. Prior to @auth/core 0.41.3 and next-auth 4.24.15 and 5.0.0-beta.32, the…](https://junglewise.ai/threats/cve-2026-73418-auth-js-gettoken-exception-on-malformed-bearer-headers) (high, CVSS 7.5, published 12 Aug 2026)

## Most severe Auth.js NextAuth.js vulnerabilities

- [CVE-2026-73418: NextAuth.js provides authentication for Next.js. Prior to @auth/core 0.41.3 and next-auth 4.24.15 and 5.0.0-beta.32, the…](https://junglewise.ai/threats/cve-2026-73418-auth-js-gettoken-exception-on-malformed-bearer-headers) (high, CVSS 7.5, published 12 Aug 2026)
- [CVE-2026-73419: Auth.js OAuth provider-confusion in state/nonce/PKCE cookies](https://junglewise.ai/threats/cve-2026-73419-auth-js-oauth-provider-confusion-in-state-nonce-pkce-cookies) (medium, CVSS 6.8, published 12 Aug 2026)
- [CVE-2026-73420: Auth.js email normalizer homoglyph @ bypass in passwordless sign-in](https://junglewise.ai/threats/cve-2026-73420-auth-js-email-normalizer-homoglyph-bypass-in-passwordless-sign-in) (medium, CVSS 4, published 13 Aug 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Auth.js NextAuth.js vulnerabilities", https://junglewise.ai/threats/technologies/nextauth-js, 12 November 2026.