What’s Vulnerable › Vulnerabilities

CVE-2023-1647: Improper Access Control in calcom/cal.com

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-03-27 · updated 2026-06-17
• Weakness: CWE-284

Description

Improper Access Control in GitHub repository calcom/cal.com prior to 2.7.

Affected products

• calcom cal.com: before 2.7.0 — fixed in 2.7.0

How to fix

Upgrade to a fixed version: calcom cal.com 2.7.0. Check the vendor advisory for mitigations.

References

• https://github.com/sbs20/scanservjs/pull/606/commits/d51fd52c1569813990b8f74e64ae6979c665dca1
• https://huntr.dev/bounties/d6de3d6e-9551-47d1-b28c-7e965c1b82b6
• https://github.com/sbs20/scanservjs/pull/606/commits/d51fd52c1569813990b8f74e64ae6979c665dca1
• https://huntr.dev/bounties/d6de3d6e-9551-47d1-b28c-7e965c1b82b6

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