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Medium

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

  • Disclosed: 20.08.2026
  • Updated: 11.10.2026 15:17

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 software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
Python (PyPI) wagtail < 7.0.9, >= 7.1, < 7.3.4, >= 7.4, < 7.4.3, >= 8.0rc1, < 8.0rc2 7.0.9, 7.3.4, 7.4.3, 8.0rc2

References

CVSS score 5.3/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness (CWE)
CWE-280
Platform
Python (PyPI)
Package
wagtail
Disclosed
20.08.2026
Updated
11.10.2026 15:17

Sources and licenses

OSV / GitHub Advisory Database - GHSA-c2xx-cjmh-9q8f - CC BY 4.0

Vulnerability history: wagtail

All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.

All (30) in the archive
Total entries
30
First → latest
04.2020 08.2026
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • High 5
  • Medium 22
  • Low 3

Disclosures per year

Severity:
  1. Wagtail: Improper restriction handling on descendant collections in Documents and Images API this entry
    Medium · 5.3 ghsa-c2xx-cjmh-9q8f < 7.0.9, >= 7.1, < 7.3.4, >= 7.4, < 7.4.3, >= 8.0rc1, < 8.0rc2 7.0.9, 7.3.4, 7.4.3, 8.0rc2
  2. Wagtail: Reflected XSS in dynamic image URL generator view
    High · 7.3 CVE-2026-54263 >= 7.3, < 7.3.3, >= 7.4, < 7.4.2 7.3.3, 7.4.2
  3. Wagtail regular expression denial-of-service via search query parsing
    High · 6.5 CVE-2024-39317 >= 6.0, < 6.0.6, >= 6.1, < 6.1.3, >= 2.0, < 5.2.6 6.0.6, 6.1.3, 5.2.6
  4. Wagtail vulnerable to stored Cross-site Scripting attack via ModelAdmin views
    High · 6.4 CVE-2023-28836 >= 1.5, < 4.1.4, >= 4.2, < 4.2.2 4.1.4, 4.2.2
  5. Improper validation of URLs ('Cross-site Scripting') in Wagtail rich text fields
    High · 6.1 CVE-2021-29434 < 2.11.7, >= 2.12, < 2.12.4 2.11.7, 2.12.4
  6. Cross-Site Scripting in Wagtail
    High · 5.7 CVE-2020-15118 >= 2.8rc1, < 2.9.3, < 2.7.4 2.9.3, 2.7.4

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