What is GHSA-c2xx-cjmh-9q8f?

GHSA-c2xx-cjmh-9q8f is a security advisory published by GitHub Security Advisories with Medium severity. Wagtail: Improper restriction handling on descendant collections in Documents and Images API

Why does GHSA-c2xx-cjmh-9q8f have no CVE ID yet?

GitHub Security Advisories published this advisory directly to customers before NVD assigned a CVE ID. This is the embargo-window disclosure pattern — vendors notify customers on day 0; NVD's public record follows days to weeks later.

What is the CVSS v3 score of GHSA-c2xx-cjmh-9q8f?

GHSA-c2xx-cjmh-9q8f has a CVSS v3 base score of 5.3, published by GitHub Security Advisories.

Which products are affected by GHSA-c2xx-cjmh-9q8f?

GHSA-c2xx-cjmh-9q8f affects 4 products, including: pip/wagtail:\u003c 7.0.9; pip/wagtail:\u003e= 7.1, \u003c 7.3.4; pip/wagtail:\u003e= 7.4, \u003c 7.4.3; pip/wagtail:= 8.0rc1.

GHSA-c2xx-cjmh-9q8fMediumCVSS 5.3Disclosed before NVD

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

Vendor

GitHub Security Advisories

Published

August 20, 2026

Last Modified

August 20, 2026

📋 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:

Visit Wagtail's support channels
Email us at [email protected] (view our security policy for more information).

🎯 Affected products4

pip/wagtail:< 7.0.9
pip/wagtail:>= 7.1, < 7.3.4
pip/wagtail:>= 7.4, < 7.4.3
pip/wagtail:= 8.0rc1