Authorization Bypass Vulnerability in Craft CMS by Pixel & Tonic
CVE-2026-84797

5.3MEDIUM

Key Information:

Vendor

Craftcms

Status
Cms
Vendor
CVE Published:
2 September 2026

What is CVE-2026-84797?

Craft CMS versions prior to 5.10.11 are susceptible to an authorization bypass vulnerability in the ElementsController::actionDuplicate() method. This flaw enables authenticated users possessing createEntries permission to delete peer provisional drafts. By exploiting the deleteProvisionalDraft parameter, attackers can delete unsaved drafts of other users without proper authorization checks, compromising the integrity of in-progress content and workflows.

Affected Version(s)

cms 5.0.0-RC1 < 5.10.11

cms 5.10.11

References

https://github.com/craftcms/cms/security/advisories/GHSA-...
vendor-advisory
https://www.vulncheck.com/advisories/craft-cms-5.0.0-rc1-...
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.