Wagtail: Improper permission handling when copying snippets

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-123819
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-11-09 22:18:38 UTC
Updated2026-11-12 19:18:09 UTC
DescriptionWagtail 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.

Risk And Classification

Primary CVSS: v3.1 6.5 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.003060000 probability, percentile 0.237340000 (date 2026-11-12)

Problem Types: CWE-280 | CWE-280 CWE-280: Improper Handling of Insufficient Permissions or Privileges

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
3.1CNADECLARED6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Wagtail Wagtail affected < 7.0.9 Not specified
CNA Wagtail Wagtail affected >= 7.1, < 7.3.4 Not specified
CNA Wagtail Wagtail affected >= 7.4, < 7.4.3 Not specified
CNA Wagtail Wagtail affected = 8.0rc1 Not specified

References

ReferenceSourceLinkTags
github.com/wagtail/wagtail/releases/tag/v7.0.9 [email protected] github.com
github.com/wagtail/wagtail/releases/tag/v7.4.3 [email protected] github.com
github.com/wagtail/wagtail/commit/5afd40f0bc04f7986256ced8ec959af30e1446be [email protected] github.com
github.com/wagtail/wagtail/security/advisories/GHSA-x5cx-w6p2-mxf2 [email protected] github.com
github.com/wagtail/wagtail/commit/aebf89233c0cc9739e240e1112d705e0c995f79c [email protected] github.com
github.com/wagtail/wagtail/commit/c06183cc9c9590e4585f27899173bc741bbbcb10 [email protected] github.com
github.com/wagtail/wagtail/releases/tag/v8.0rc2 [email protected] github.com
github.com/wagtail/wagtail/commit/03ecdb63b82fa87a4932c08bc4cdd9a99339f6d4 [email protected] github.com
github.com/wagtail/wagtail/releases/tag/v7.3.4 [email protected] github.com
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