SB20260505112 - Missing Authorization in wagtail
Published: May 5, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Missing Authorization (CVE-ID: CVE-2026-25517)
CWE-ID: CWE-862 - Missing Authorization
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote user to disclose sensitive information.
The vulnerability exists due to improper access control in admin preview endpoints when handling crafted preview form submissions. A remote privileged user can submit a specially crafted form to obtain a preview rendering of page, snippet, or site setting objects and disclose sensitive information.
The issue is limited to users with access to the Wagtail admin, and the existing data of the targeted object itself is not exposed.
Remediation
Install update from vendor's website.