A CMS user with "add" permission over a snippet model, but not "change" or "view" permission, could copy an existing snippet that they do not have access to, allowing them to view its contents.
Patched versions have been released as Wagtail 7.0.9, 7.3.4, 7.4.3 and 8.0rc2.
N/A
Many thanks to tinyb0y for reporting this issue.
If you have any questions or comments about this advisory:
{
"cwe_ids": [
"CWE-280"
],
"github_reviewed": true,
"github_reviewed_at": "2026-08-20T18:45:23Z",
"nvd_published_at": null,
"severity": "MODERATE"
}