Cal.com Vulnerabilities Lead to Account Takeover and Data Exposure
Article Content
Browse articles 
Cal.com, an open-source scheduling platform, experienced critical security vulnerabilities that allowed attackers to gain complete control over user accounts and access sensitive booking data. Discovered by security researchers on January 26, 2026, these flaws impacted millions of users, enabling unauthorized access to private meetings and organizational bookings.
Ask AI about this cluster
Answers cite the sources they use
Updated 212d ago How this analysis works
More articles in this cluster (2)
Continue Reading
CVE-2015-3306 Exploited in ProFTPD FTP Servers CVE-2015-3306, a vulnerability in ProFTPD 1.3.5, allows remote attackers to read and write arbitrary files using the SITE CPFR and SITE CPTO commands. This exploit can lead to unauthorized access and potential remote code execution, as the commands are executed with the privileges of the ProFTPD service. Active… 
CISA Mandates Urgent Patching of Five Critical Flaws Exploited by Flax Typhoon The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has ordered federal agencies to patch five critical vulnerabilities by October 11, 2026, following exploitation by the China-linked hacking group Flax Typhoon. The vulnerabilities, added to CISA's Known Exploited Vulnerabilities (KEV) catalog, include…