CVE-2026-54262: Wagtail improper permission handling in simple_translation

Quick answers

Is CVE-2026-54262 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-54262 being exploited in the wild.

How severe is CVE-2026-54262?

Medium severity, with a CVSS score of 4.3, published 1 July 2026.

Which products and versions are affected?

wagtail (PyPI) ECOSYSTEM:introduced=0,fixed=7.0.8, ECOSYSTEM:introduced=0,fixed=7.0.8,introduced=7.1,fixed=7.3.3,introduced=7.4,fixed=7.4.2; Wagtail < 7.0.8, >= 7.1 < 7.3.3, >= 7.4 < 7.4.2, < 7.0.8, >= 7.1.0 < 7.3.3, >= 7.4.0 < 7.4.2.

Is there a fix for CVE-2026-54262?

Yes. wagtail (PyPI): upgrade to 7.0.8, 7.4.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-54262 attacked?

It is attacked over the network.

Am I affected by CVE-2026-54262?

Check whether you run wagtail (PyPI) or Wagtail at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

• wagtail (PyPI): upgrade to 7.0.8, 7.4.2 or later

  pip install "wagtail>=7.4.2"

Technical details

This is a privilege escalation vulnerability in Wagtail's simple_translation feature that stems from improper handling of permissions (CWE-280). A user with only the "Can submit translation" permission can bypass page-level access controls to create translations for any page in the system, regardless of whether they have been granted permission to view or edit that specific page. The vulnerability is network-accessible and requires only low-level authentication (the translator role); no additional user interaction is needed. An attacker can exploit this to read sensitive page content or create unauthorized translations. Patches are available in Wagtail 7.0.8, 7.3.3, and 7.4.2.

Affected products

• Wagtail Wagtail < 7.0.8, >= 7.1 < 7.3.3, >= 7.4 < 7.4.2

Identifiers

• CVE-2026-54262
• GHSA-8634-mr4j-r72c
• PYSEC-2026-615

Timeline

• 2026-06-15: disclosed: Published by Wagtail on GitHub
• 2026-08-20: advisory: GitHub Advisory Database updated
• 2026-06-15: patched: Patches released in versions 7.0.8, 7.3.3, 7.4.2

References

• https://api.github.com/users/devansh3008
• https://github.com/devansh3008
• https://api.github.com/users/devansh3008/gists%7B/gist_id%7D
• https://api.github.com/users/devansh3008/repos
• https://avatars.githubusercontent.com/u/30910269?v=4
• https://api.github.com/users/devansh3008/events%7B/privacy%7D