Unauthenticated Sensitive Data Exposure in Bookly

Publication date: 2026-06-15

Last updated on: 2026-06-15

Assigner: Patchstack

Description

Unauthenticated Sensitive Data Exposure in Bookly <= 27.4 versions.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-06-15

Last Modified

2026-06-15

Generated

2026-07-06

AI Q&A

2026-06-16

EPSS Evaluated

2026-07-04

NVD

CVE-2026-42667

Affected Vendors & Products

Vendor	Product	Version / Range
bookly	bookly	to 27.4 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-201	The code transmits data to another actor, but a portion of the data includes sensitive information that should not be accessible to that actor.

Attack-Flow Graph

Executive Summary

This vulnerability is an unauthenticated sensitive data exposure found in Bookly versions up to and including 27.4. It allows an attacker to access sensitive information without needing to authenticate.

Impact Analysis

The impact of this vulnerability is that sensitive data can be exposed to unauthorized users, potentially leading to data breaches. According to the CVSS score of 7.5, the confidentiality impact is high, meaning sensitive information could be disclosed without any authentication or user interaction.

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