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GHSA-c2xx-cjmh-9q8f — wagtail

MEDIUM

GHSA-c2xx-cjmh-9q8f is a medium-severity (CVSS 5.3) vulnerability in wagtail. A fix is available for wagtail — see the affected versions and patch details below.

Wagtail: Improper restriction handling on descendant collections in Documents and Images API

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

The Documents and Images API V2 incorrectly listed items in descendants of private collections, which should inherit the view restrictions defined on their ancestors. A user with access to the API could see the filename and name of documents and images in these descendant collections.

Patches

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

Workarounds

Site owners using Wagtail's API can avoid the vulnerability by adding authentication to the Documents and Images APIs.

Acknowledgements

Many thanks to Ta Duc Thien 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-c2xx-cjmh-9q8f 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 The Documents and Images [API V2](https://docs.wagtail.org/en/stable/advanced_topics/api/index.html) incorrectly listed items in descendants of private collections, which should inherit the view restrictions defined on their ancestors. A user with access to the API could see the filename and name of documents and images in these descendant collections. ### Patches Patched versions have been released as Wagtail 7.0.9, 7.3.4, 7.4.3 and 8.0rc2. ### Workarounds Site owners using Wagtail's API can avoid the vulnerability by adding [authentication](https://docs.wagtail.org/en/stable/
O3 Security · Impact-Aware SCA

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GHSA-c2xx-cjmh-9q8f: wagtail (Medium 5.3) | O3 Security