CVE-2026-40768Network attack vector

Unauthenticated booking cancellation via numeric object IDs

Published Jun 17, 2026 · Updated Jun 17, 2026

An IDOR in Salon Booking System 10.30.24 and earlier allows remote attackers to cancel arbitrary bookings through cancellation links. The cancellation handler accepts a plain numeric booking ID from the link without requiring the booking's secure ID-hash token. No authentication or user interaction is required, and the grounded consequence is limited to unauthorized booking cancellation.

CVSS severity7.3
High
EPSS probability0.29%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

An IDOR in Salon Booking System 10.30.24 and earlier allows remote attackers to cancel arbitrary bookings through cancellation links. The cancellation handler accepts a plain numeric booking ID from the link without requiring the booking's secure ID-hash token. No authentication or user interaction is required, and the grounded consequence is limited to unauthorized booking cancellation.

The record

CVE
CVE-2026-40768
Published
Jun 17, 2026
Updated
Jun 17, 2026
Vendor
Salonbookingsystem OÜ
Product
Salon Booking System
Classifications
CWE-639, T1565.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 17, 2026CVE publishedPublication date reported by the CVE source.
  2. Jun 17, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=n/a <=10.30.24 changes=[{"at":"10.30.25","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Salonbookingsystem OÜ · Salon Booking Systemversion=n/a <=10.30.24 changes=[{"at":"10.30.25","status":"unaffected"}]

Published CVSS scores

7.3Patchstack OÜCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-639Authorization Bypass Through User-Controlled Key
T1565.001Stored Data Manipulation

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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