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  4. CVE 2026 123128 gembooking 171 unauthenticated team member double
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Back to active CVEs
Unknown severity · Source severity not reportedCVE-2026-123128

GemBooking < 1.7.1 - Unauthenticated Team Member Double-Booking via Cross-Object Race ConditionCVE-2026-123128

Answer in brief

CVE-2026-123128 records a Unknown severity vulnerability in GemBooking < 1.7.1 - Unauthenticated Team Member Double-Booking via Cross-Object Race Condition. The current sources do not mark it as known exploited. The current feed maps Unknown/GemBooking (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Nov 9, 2026Updated Nov 9, 2026Source checked Nov 9, 2026First seen by HOL Nov 9, 2026Material review Nov 9, 2026
Upstream Advisory

Key facts

Risk
Unknown severitySource severity not reported
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Unknown/GemBooking (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Unknown/GemBookinggeneric>=0 <1.7.11.7.1

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Unknown/GemBooking.
  2. 2Review the reported fix. Update Unknown/GemBooking to 1.7.1 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Nov 9, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 9, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 9, 2026

Sources and claim methodology

  • Source referencewpscan.com
Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • olivier-ls PHP-FTS Storage.php open toctouAlso CWE-362

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-362
Source
CVE List V5
Source checked
Nov 9, 2026
References
1 linked source
Open source record