CVE-2026-104054 - calcom cal.diy PBAC Permission BookingAccessService.ts doesUserIdHaveAccessToBooking authorization

CVE-2026-104054 - calcom cal.diy PBAC Permission BookingAccessService.ts doesUserIdHaveAccessToBooking authorization

https://cvefeed.io/rssfeed/latest.atom / Fri, 10/02/2026 - 07:50
CVE ID :CVE-2026-104054
Published : Oct. 2, 2026, 2:17 a.m. | 2 hours, 56 minutes ago
Description :A security flaw has been discovered in calcom cal.diy up to 6.2.0. This affects the function doesUserIdHaveAccessToBooking of the file BookingAccessService.ts of the component PBAC Permission Engine. Performing a manipulation results in missing authorization. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. The pull request to fix this issue awaits acceptance.
Severity: 6.5 | MEDIUM
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Kenya Education Network CERT(KENET-CERT) is a Cybersecurity Emergency Response Team and Co-ordination Center operated by the National Research and Education Network of Kenya. KENET-CERT coordination center promotes awareness on cybersecurity incidences as well as coordinates and assists member institutions in responding effectively to cyber security threats and incidences. KENET-CERT works closely with Kenya's National CIRT coordination center (CIRT/CC) as a sector CIRT for the academic institutions. KENET promotes use of ICT in Teaching, Learning and Research in Higher Education Institutions in Kenya. KENET aims to interconnect all the Universities, Tertiary and Research Institutions in Kenya by setting up a cost effective and sustainable private network with high speed access to the global Internet. KENET also facilitates electronic communication among students and faculties in member institutions, share learning and teaching resources by collaboration in Research and Development of Educational content.