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Cal

4 CVEs product

Monthly

CVE-2026-23478 Jan 13, 22:16 CRITICAL Act Now

Cal.com scheduling software (3.1.6 to 6.0.7) has a critical authentication bypass in the NextAuth JWT callback. Attackers can gain full access to any user account by supplying a target email via session.update(). Fixed in 6.0.7.

Information Disclosure Cal.Com Cal Cal Com
NVD GitHub
CVSS 3.1
9.8
EPSS
0.1%
CVE-2025-66489 Dec 03, 20:16 CRITICAL POC PATCH Act Now

A remote code execution vulnerability in Cal.com (CVSS 9.8) that allows an attacker. Risk factors: public PoC available.

Authentication Bypass Cal.Com Cal Cal Com
NVD GitHub
CVSS 3.1
9.8
EPSS
0.1%
CVE-2023-37919 Jul 25, 21:15 MEDIUM This Month

Cal.com is open-source scheduling software. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Information Disclosure Cal Cal Com
NVD GitHub
CVSS 3.1
5.4
EPSS
0.3%
CVE-2023-1647 Mar 27, 01:15 HIGH POC PATCH This Week

Improper Access Control in GitHub repository calcom/cal.com prior to 2.7. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

Authentication Bypass Cal Cal Com
NVD GitHub
CVSS 3.1
8.8
EPSS
0.8%
EPSS 0% CVSS 9.8
CRITICAL Act Now

Cal.com scheduling software (3.1.6 to 6.0.7) has a critical authentication bypass in the NextAuth JWT callback. Attackers can gain full access to any user account by supplying a target email via session.update(). Fixed in 6.0.7.

Information Disclosure Cal.Com Cal +1
NVD GitHub
EPSS 0% CVSS 9.8
CRITICAL POC PATCH Act Now

A remote code execution vulnerability in Cal.com (CVSS 9.8) that allows an attacker. Risk factors: public PoC available.

Authentication Bypass Cal.Com Cal +1
NVD GitHub
EPSS 0% CVSS 5.4
MEDIUM This Month

Cal.com is open-source scheduling software. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Information Disclosure Cal Cal Com
NVD GitHub
EPSS 1% CVSS 8.8
HIGH POC PATCH This Week

Improper Access Control in GitHub repository calcom/cal.com prior to 2.7. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

Authentication Bypass Cal Cal Com
NVD GitHub

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