Feed/CVE-2026-23478
CVE-2026-23478CRITICALCVSS 9.8

CVE-2026-23478

Published Jan 13, 2026·Updated Jun 17, 2026

NVD 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.

Public Exploits & PoCs1 found

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

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