CVE-2026-125106 Wagtail: Improper restriction handling on Page translation API endpoint
- Exploited in the wild
- Not known
- Fix
- Available
What is CVE-2026-125106?
CVE-2026-125106 is a medium-severity vulnerability in wagtail, published on 9 Nov 2026.
Official description
Wagtail is an open source content management system built on Django. Prior to 7.0.9, 7.3.4, 7.4.3, and 8.0rc2, a Wagtail CMS user with the submit translations permission can call the Admin API copy for translation action for a source page that the user cannot edit. The action copies the inaccessible page into a translation, allowing the user to view its contents despite the missing source-page edit permission. This issue is fixed in versions 7.0.9, 7.3.4, 7.4.3, and 8.0rc2.
Weakness: CWE-280
Which versions are affected by CVE-2026-125106?
4 open source packages ship an affected version, including wagtail.
| Package | Affected | Fixed in |
|---|---|---|
wagtail PyPI | All versions | 7.0.9 |
wagtail PyPI | From 7.1rc1 | 7.3.4 |
wagtail PyPI | From 7.4rc1 | 7.4.3 |
wagtail PyPI | From 8.0rc1 | 8.0rc2 |
How do I fix CVE-2026-125106?
Upgrade wagtail to a fixed version for your release line: 7.0.9, 7.3.4, 7.4.3 or 8.0rc2.
Is CVE-2026-125106 being exploited?
There is no known exploitation of CVE-2026-125106 in the wild and no public exploit code.
Sources
Also known as GHSA-jm5p-837g-rv8g.