CVE-2026-112043CWE-285CWE-639

CVE-2026-112043

Medium · published October 19, 2026

CVSS v3.1
6.3
EPSS
0%
Percentile
21.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
5.3 · 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
EPSS
0.00296 · 21.1th percentile
Weaknesses
CWE-285 · Improper Authorization; CWE-639 · Authorization Bypass Through User-Controlled Key
Published
2026-10-19T07:16Z
References (7)
https://github.com/calcom/cal.diy/issues/29982 · [email protected]https://github.com/calcom/cal.diy/pull/30223 · [email protected]https://vuldb.com/cve/CVE-2026-112043 · [email protected]https://vuldb.com/submit/1009017 · [email protected]https://vuldb.com/vuln/421691 · [email protected]https://vuldb.com/vuln/421691/cti · [email protected]https://github.com/calcom/cal.diy/issues/29982 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 20 OCT 03:29Z
    EPSS moved — → 0%
    epss
  • 19 OCT 02:30Z
    calcom cal.com/cal.diy Webhook util.ts createWebhookProcedure authorization
    cvelistv5
  • 19 OCT 02:30Z
    calcom cal.com/cal.diy Webhook util.ts createWebhookProcedure authorization
    cvelistv5