Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1000 CNY

100.0%
Buy Us a Coffee

CVE-2026-23478 PoC — Cal.com has an Authentication Bypass via Unvalidated Email in Custom JWT Callback

Source
https://github.com/Ashwesker/Ashwesker-CVE-2026-23478
Associated Vulnerability
Title:Cal.com has an Authentication Bypass via Unvalidated Email in Custom JWT Callback (CVE-2026-23478)
Description: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.
Description
CVE-2026-23478
File Snapshot

 None
Shenlong Bot has cached this for you
Remarks
    1. It is advised to access via the original source first.
    2. Local POC snapshots are reserved for subscribers — if the original source is unavailable, the local mirror is part of the paid plan.
    3. Mirroring, verifying, and maintaining this POC archive takes ongoing effort, so local snapshots are a paid feature. Your subscription keeps the archive online — thank you for the support. View subscription plans →