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Vulnerability record · CVE-2023-1647 · published 27 March 2023

CVE-2023-1647: Cal.com improper access control vulnerability

Cal · Cal.Com

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

8.8 CVSS 3.1 High EPSS 0.84% · top 43.8% CWE-284 · Improper access control
8.8CVSS 3.1 base score
0.84%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

Track CVE-2023-1647 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-1647), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.