{"id":"CVE-2026-104054","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-104054","generatedAt":"2026-10-27T23:52:12.245Z","title":"Performing a manipulation results in missing authorization.","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.","published":"2026-10-02T02:17:02.000Z","lastModified":"2026-10-02T20:17:01.000Z","status":"Deferred","sourceIdentifier":"cna@vuldb.com","cvss":{"version":"4.0","score":2.1,"severity":"LOW","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-862","CWE-863"],"affected":[],"epss":{"score":0.00209,"percentile":0.11047,"date":"2026-10-26","history":[{"date":"2026-10-02","score":0.00209,"percentile":0.10119}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.21%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-02T02:17:02.000Z","detail":{"score":"2.1","severity":"LOW","publishedAt":"2026-10-02T02:17:01.740Z"},"summary":"New CVE, low severity (CVSS 2.1)."}],"references":[{"url":"https://github.com/calcom/cal.diy/","source":"cna@vuldb.com"},{"url":"https://github.com/calcom/cal.diy/issues/29802","source":"cna@vuldb.com"},{"url":"https://github.com/calcom/cal.diy/pull/30253","source":"cna@vuldb.com"},{"url":"https://vuldb.com/cve/CVE-2026-104054","source":"cna@vuldb.com"},{"url":"https://vuldb.com/submit/959492","source":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/412762","source":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/412762/cti","source":"cna@vuldb.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-104054","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}