GHSL-2026-012: Unauthorized Data Exposure via REST API Link Expansion in Frappe - CVE-2026-39351

Published Apr 24, 2026
·
Updated

Frappe v15.96.0 contains a vulnerability in its REST API, allowing attackers to bypass doctype restrictions via v1 REST document read with expandlinks leaking linked document data without permission checks.

Affected Software

1 affected component
pypi/frappe=15.96.0

Event History

Apr 24, 2026
Advisory Published
via GitHub Security Lab·12:00 AM
Data Sourced
via GitHub Security Lab·12:00 AM
Description
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Frequently Asked Questions

1

What is the severity of GHSL-2026-012?

GHSL-2026-012 has a risk score of 57, indicating a moderate severity level.

2

What is the nature of the vulnerability in GHSL-2026-012?

GHSL-2026-012 involves unauthorized data exposure via REST API link expansion in Frappe, allowing data leaks without permission checks.

3

How do I fix GHSL-2026-012?

To fix GHSL-2026-012, update Frappe to the latest version that addresses the unauthorized data exposure issue.

4

Which version of Frappe is affected by GHSL-2026-012?

Frappe v15.96.0 is the specific version affected by the vulnerability identified in GHSL-2026-012.

5

What impact does GHSL-2026-012 have on data security?

GHSL-2026-012 can lead to unauthorized access to linked document data, compromising the confidentiality of sensitive information.

Contact

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