Booking Calendar vulnerability

Unauthenticated Broken Access Control in Booking Calendar <= 11.7 versions.

Published 17 Sep 2026Updated 19 Sep 20261 sources
CVSS 5.3

What happened

Unauthenticated Broken Access Control in Booking Calendar <= 11.7 versions.

Affected versions

Booking Calendar: n/a through 11.7 (custom) Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

  • Apply vendor-provided updates or mitigations.
  • Review affected product exposure and access logs.

Public PoC references

No public PoC reference has passed the current publication threshold.