CVE-2026-123819
Wagtail: Improper permission handling when copying snippets
Wagtail is an open source content management system built on Django. Prior to 7.0.9, 7.3.4, 7.4.3, and 8.0rc2, a CMS user who has add permission for a snippet model but lacks change and view permission for an existing snippet can access the snippet copy view and copy that source object. The copy operation reveals the contents of a snippet that the user is not authorized to view. This issue is fixed in versions 7.0.9, 7.3.4, 7.4.3, and 8.0rc2.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
6.5
Wagtail: Improper permission handling when copying snippets
Wagtail is an open source content management system built on Django. Prior to 7.0.9, 7.3.4, 7.4.3, and 8.0rc2, a CMS user who has add permission for a snippet model but lacks change and view permission for an existing snippet can access the snippet copy view and copy that source object. The copy operation reveals the contents of a snippet that the user is not authorized to view. This issue is fixed in versions 7.0.9, 7.3.4, 7.4.3, and 8.0rc2.
- Record
CVE-2026-123819- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-280
- Updated
- 2026-11-09
EUVDEUVD-2026-120456
6.5
Wagtail is an open source content management system built on Django. Prior to 7.0.9, 7.3.4, 7.4.3, and 8.0rc2, a CMS user who has add permission for a snippet model but lacks change and view permission for an existing snippet can access the snippet copy view and copy that source object. The copy operation reveals the contents of a snippet that the user is not authorized to view. This issue is fixed in versions 7.0.9, 7.3.4, 7.4.3, and 8.0rc2.
- Record
EUVD-2026-120456- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-09
GitHub AdvisoriesGHSA-x5cx-w6p2-mxf2
6.5
Wagtail: Improper permission handling when copying snippets
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
- Email us at [email protected] (view our security policy for more information).
- Record
GHSA-x5cx-w6p2-mxf2- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-280
- Updated
- 2026-11-09
NVD
6.5
Wagtail is an open source content management system built on Django. Prior to 7.0.9, 7.3.4, 7.4.3, and 8.0rc2, a CMS user who has add permission for a snippet model but lacks change and view permission for an existing snippet can access the snippet copy view and copy that source object. The copy operation reveals the contents of a snippet that the user is not authorized to view. This issue is fixed in versions 7.0.9, 7.3.4, 7.4.3, and 8.0rc2.
- Record
CVE-2026-123819- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-280
- Updated
- 2026-11-09
OSV
6.5
Wagtail: Improper permission handling when copying snippets
Wagtail is an open source content management system built on Django. Prior to 7.0.9, 7.3.4, 7.4.3, and 8.0rc2, a CMS user who has add permission for a snippet model but lacks change and view permission for an existing snippet can access the snippet copy view and copy that source object. The copy operation reveals the contents of a snippet that the user is not authorized to view. This issue is fixed in versions 7.0.9, 7.3.4, 7.4.3, and 8.0rc2.
- Record
CVE-2026-123819- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-280
- Updated
- 2026-11-10
OSVGHSA-x5cx-w6p2-mxf2
6.5
Wagtail: Improper permission handling when copying snippets
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
- Email us at [email protected] (view our security policy for more information).
- Record
GHSA-x5cx-w6p2-mxf2- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-280
- Updated
- 2026-11-09
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
wagtailPyPI |
before 7.0.9 | 7.0.9 |
wagtailPyPI |
7.1 up to 7.3.4 | 7.3.4 |
wagtailPyPI |
7.4 up to 7.4.3 | 7.4.3 |
wagtailPyPI |
8.0rc1 to 8.0rc1 | 8.0rc2 |
wagtailPyPI |
before 7.0.9, plus listed versions 0.10.20.30.3.10.4 Show 45 moreShow less0.4.10.50.60.70.80.8.10.8.100.8.20.8.30.8.40.8.50.8.60.8.70.8.80.8.91.01.0b11.0b21.0rc11.0rc21.11.101.10.11.10rc11.111.11.11.11rc11.121.12.11.12.21.12.31.12.41.12.51.12.61.12rc11.131.13.11.13.21.13.31.13.41.13rc11.1rc11.21.2rc11.3 |
7.0.9 |
wagtailPyPI |
7.1 up to 7.3.4, plus listed versions 7.1.17.1.27.1.37.27.2.1 Show 8 moreShow less7.2.27.2.37.2rc17.37.3.17.3.27.3.37.3rc1 |
7.3.4 |
wagtailPyPI |
7.4 up to 7.4.3, plus listed versions 7.4.17.4.2 |
7.4.3 |
wagtailPyPI |
8.0rc1 up to 8.0rc2 | 8.0rc2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| references | NVD, OSV | |
| description, references, severity, title | CVE List | |
| aliases, products, references | EUVD, OSV | |
| aliases, facts, id | GitHub Advisories | |
| first indexed | GitHub Advisories, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-123819 is a medium vulnerability (CVSS 6.5) in Wagtail, published August 20, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.31%, the 23rd percentile. Fixed in wagtail 7.0.9.
References
github.com/wagtail/wagtail/security/advisories/GHSA-x5cx-w6p2-mxf2
github.com/wagtail/wagtail/commit/03ecdb63b82fa87a4932c08bc4cdd9a99339f6d4
github.com/wagtail/wagtail/commit/5afd40f0bc04f7986256ced8ec959af30e1446be
github.com/wagtail/wagtail/commit/aebf89233c0cc9739e240e1112d705e0c995f79c
github.com/wagtail/wagtail/commit/c06183cc9c9590e4585f27899173bc741bbbcb10
github.com/wagtail/wagtail/releases/tag/v7.0.9
Show 7 moreShow less
github.com/wagtail/wagtail/releases/tag/v7.3.4
github.com/wagtail/wagtail/releases/tag/v7.4.3
github.com/wagtail/wagtail/releases/tag/v8.0rc2
github.com/advisories/GHSA-x5cx-w6p2-mxf2
github.com/CVEProject/cvelistV5/tree/main/cves/2026/123xxx/CVE-2026-123819.json
nvd.nist.gov/vuln/detail/CVE-2026-123819
github.com/wagtail/wagtail
Left out here: 225 versions. The JSON record has them.