Improper Handling of Insufficient Permissions or Privileges in wagtail - CVE-2026-54259

 

Improper Handling of Insufficient Permissions or Privileges in wagtail - CVE-2026-54259

Published: June 16, 2026


Vulnerability identifier: #VU134573
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-54259
CWE-ID: CWE-280
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Torchbox
Affected software:
wagtail

Detailed vulnerability description

The vulnerability allows a remote user to disclose sensitive information.

The vulnerability exists due to improper handling of insufficient permissions or privileges in the Documents and Images chooser chosen endpoint when handling requests for selected items. A remote user can request chosen items they are not permitted to choose to disclose sensitive information.

The issue is only exploitable by a user with access to the Wagtail admin.


How to mitigate CVE-2026-54259

Install security update from vendor's website.

Sources