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MEDIUM severity

Wagtail: Improper permission handling when copying snippetsGHSA-x5cx-w6p2-mxf2

MEDIUM

GHSA-x5cx-w6p2-mxf2 is a medium-severity (CVSS 6.5) vulnerability in wagtail. A fix is available for wagtail — see the affected versions and patch details below.

Published
Updated
Affected
4 pkgs
Patched
4 / 4
Exploits
None indexed
Exploitation data as of Aug 20, 2026 · OSV.dev, FIRST.org (EPSS)

Real-World Exposure

4 pkgs affected
🐍wagtail🐍wagtail🐍wagtail🐍wagtail

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects PyPI packages — download data is not available via public APIs for these ecosystems.

Description

Impact

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.

Patches

Patched versions have been released as Wagtail 7.0.9, 7.3.4, 7.4.3 and 8.0rc2.

Workarounds

N/A

Acknowledgements

Many thanks to tinyb0y for reporting this issue.

For more information

If you have any questions or comments about this advisory:

Affected Packages

4 total 4 fixed
EcosystemPackageVulnerable rangeFix
🐍PyPIwagtailall versions7.0.9pip install --upgrade 'wagtail==7.0.9'
🐍PyPIwagtail≥ 7.1&&< 7.3.47.3.4pip install --upgrade 'wagtail==7.3.4'
🐍PyPIwagtail≥ 7.4&&< 7.4.37.4.3pip install --upgrade 'wagtail==7.4.3'
🐍PyPIwagtail≥ 8.0rc1&&< 8.0rc28.0rc2pip install --upgrade 'wagtail==8.0rc2'

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for wagtail, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update wagtail to 7.0.9 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-x5cx-w6p2-mxf2 is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

### Impact 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. ### Patches Patched versions have been released as Wagtail 7.0.9, 7.3.4, 7.4.3 and 8.0rc2. ### Workarounds N/A ### Acknowledgements Many thanks to tinyb0y for reporting this issue. ### For more information If you have any questions or comments about this advisory: * Visit Wagtail's [support channels](https://docs.wagtail.org/en/stable/support.html) * Email us at [[email protected]](ma
O3 Security · Impact-Aware SCA

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