# CVE-2026-123128: GemBooking < 1.7.1 - Unauthenticated Team Member Double-Booking via Cross-Object Race Condition

Status: published. Published: 2026-11-09. Updated: 2026-11-09.

The GemBooking  WordPress plugin before 1.7.1 does not serialise concurrent booking requests per team member, allowing unauthenticated users to create overlapping confirmed bookings for the same team member across different bookable items by sending simultaneous requests.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Unknown / GemBooking: ≥ 0; < 1.7.1 (affected, semver). Source: CNA: WPScan

## Severity and prioritization

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-362

## Exploit evidence

- exploit: https://wpscan.com/vulnerability/e6dd290d-358b-4d03-a585-173d40dee0ba/ (CNA: WPScan)

## References

- https://wpscan.com/vulnerability/e6dd290d-358b-4d03-a585-173d40dee0ba/ (CNA: WPScan; exploit, vdb-entry, technical-description)

## Provenance

- CNA: WPScan: https://www.cve.org/CVERecord?id=CVE-2026-123128; retrieved 2026-11-09; source updated 2026-11-09

Revision: 2f0fc097d13d63f1a844a3d0172382ea66c32a6648f05e1e88c55941c735131e

Canonical: https://y2.dev/cve/CVE-2026-123128

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Collected public records only. Check source status for coverage and freshness.