CVE-2026-84797

Craft CMS 5.0.0-RC1 before 5.10.11 Authorization Bypass via actionDuplicate

MEDIUM
6.3
CVSS Score
Published: September 2, 2026 at 11:11 AM UTC
Updated: September 2, 2026 at 02:02 PM UTC
1 product affected across 1 vendorCraftcms

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Severity
MEDIUM6.3
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

Craft CMS versions before 5.10.11 contain an authorization bypass vulnerability in ElementsController::actionDuplicate() that allows authenticated users with createEntries permission to delete peer provisional drafts. Attackers can exploit the deleteProvisionalDraft parameter to delete another user's unsaved draft without proper authorization checks, gaining access to the victim's in-progress content.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

5.0.0 ≤ v < 5.10.115.0.0-RC1 ≤ v < 5.10.115.0.0-RC1
Vendor states this is fixed in 5.10.11 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.3MEDIUMVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-862

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