How to: CVE-2026-23478 (2026-01-13)
```
Cal.com is open-source scheduling software. From 3.1.6 to before 6.0.7, there is a vulnerability in a custom NextAuth JWT callback that allows attackers to gain full authenticated access to any user's account by supplying a target email address via session.update(). This vulnerability is fixed in 6.0.7.
```
- [Ashwesker/Ashwesker-CVE-2026-23478](https://github.com/Ashwesker/Ashwesker-CVE-2026-23478)