{"id":"CVE-2026-112043","aliases":["EUVD-2026-104051","GHSA-6wcv-37vq-r5jx"],"status":"published","title":"calcom cal.com/cal.diy Webhook util.ts createWebhookProcedure authorization","description":"A weakness has been identified in calcom cal.com and cal.diy up to 6.2.0. Impacted is the function createWebhookProcedure of the file packages/trpc/server/routers/viewer/webhook/util.ts of the component Webhook Handler. Executing a manipulation of the argument ID can lead to authorization bypass. It is possible to launch the attack remotely. The pull request to fix this issue awaits acceptance.","severity":{"version":"4.0","score":5.3,"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:X","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00364,"percentile":0.30486,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-285","CWE-639"],"published":"2026-10-19T02:30:14Z","modified":"2026-10-28T02:30:35Z","products":[{"vendor":"calcom","product":"cal.com"},{"vendor":"calcom","product":"cal.diy"}],"references":[{"url":"https://vuldb.com/vuln/421691","tags":["vdb-entry","technical-description","advisory"]},{"url":"https://vuldb.com/vuln/421691/cti","tags":["signature","permissions-required","report"]},{"url":"https://vuldb.com/cve/CVE-2026-112043","tags":["third-party-advisory","advisory"]},{"url":"https://vuldb.com/submit/1009017","tags":["third-party-advisory","advisory"]},{"url":"https://github.com/calcom/cal.diy/issues/29982","tags":["issue-tracking","exploit","report"]},{"url":"https://github.com/calcom/cal.diy/pull/30223","tags":["issue-tracking","patch","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112043","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-6wcv-37vq-r5jx"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/112xxx/CVE-2026-112043.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-112043","title":"calcom cal.com/cal.diy Webhook util.ts createWebhookProcedure authorization","description":"A weakness has been identified in calcom cal.com and cal.diy up to 6.2.0. Impacted is the function createWebhookProcedure of the file packages/trpc/server/routers/viewer/webhook/util.ts of the component Webhook Handler. Executing a manipulation of the argument ID can lead to authorization bypass. It is possible to launch the attack remotely. The pull request to fix this issue awaits acceptance.","status":"published","published":"2026-10-19T02:30:14.914Z","modified":"2026-10-19T16:36:31.15Z","cvss":[{"version":"4.0","score":5.3,"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:X","level":"medium","assessor":"cna"},{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:C","level":"medium","assessor":"cna"},{"version":"3.0","score":6.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:C","level":"medium","assessor":"cna"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P/E:ND/RL:ND/RC:C","assessor":"cna"}],"cwes":["CWE-639","CWE-285"],"updated_at":"2026-11-02T13:44:40.64332Z"}],"euvd":[{"id":"EUVD-2026-104051","description":"A weakness has been identified in calcom cal.com and cal.diy up to 6.2.0. Impacted is the function createWebhookProcedure of the file packages/trpc/server/routers/viewer/webhook/util.ts of the component Webhook Handler. Executing a manipulation of the argument ID can lead to authorization bypass. It is possible to launch the attack remotely. The pull request to fix this issue awaits acceptance.","status":"published","published":"2026-10-19T02:30:14Z","modified":"2026-10-19T16:36:31Z","cvss":[{"version":"4.0","score":5.3,"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:X","level":"medium"}],"updated_at":"2026-11-02T16:59:50.835971Z"}],"ghsa":[{"id":"GHSA-6wcv-37vq-r5jx","title":"A weakness has been identified in calcom cal.com and cal.diy up to 6.2.0. Impacted is the...","description":"A weakness has been identified in calcom cal.com and cal.diy up to 6.2.0. Impacted is the function createWebhookProcedure of the file packages/trpc/server/routers/viewer/webhook/util.ts of the component Webhook Handler. Executing a manipulation of the argument ID can lead to authorization bypass. It is possible to launch the attack remotely. The pull request to fix this issue awaits acceptance.","status":"published","published":"2026-10-19T03:31:05Z","modified":"2026-10-19T03:31:12Z","cvss":[{"version":"4.0","score":5.3,"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:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-285"],"updated_at":"2026-11-02T15:13:56.45986Z"}],"nvd":[{"id":"CVE-2026-112043","description":"A weakness has been identified in calcom cal.com and cal.diy up to 6.2.0. Impacted is the function createWebhookProcedure of the file packages/trpc/server/routers/viewer/webhook/util.ts of the component Webhook Handler. Executing a manipulation of the argument ID can lead to authorization bypass. It is possible to launch the attack remotely. The pull request to fix this issue awaits acceptance.","status":"published","published":"2026-10-19T03:16:58.92Z","modified":"2026-10-19T17:17:09.207Z","cvss":[{"version":"4.0","score":5.3,"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:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"secondary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"secondary"}],"cwes":["CWE-285","CWE-639"],"updated_at":"2026-11-02T14:13:00.483792Z"}],"osv":[{"id":"CVE-2026-112043","title":"calcom cal.com/cal.diy Webhook util.ts createWebhookProcedure authorization","description":"A weakness has been identified in calcom cal.com and cal.diy up to 6.2.0. Impacted is the function createWebhookProcedure of the file packages/trpc/server/routers/viewer/webhook/util.ts of the component Webhook Handler. Executing a manipulation of the argument ID can lead to authorization bypass. It is possible to launch the attack remotely. The pull request to fix this issue awaits acceptance.","status":"published","published":"2026-10-19T02:30:14.914Z","modified":"2026-10-28T02:30:35.948891973Z","cvss":[{"version":"4.0","score":5.3,"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:X","level":"medium"}],"cwes":["CWE-285","CWE-639"],"updated_at":"2026-11-02T15:44:55.938017Z"}]}}