CVE-2026-84797

Medium

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.

SeverityMedium

CVSS6.3

Exploit probability—

ProductCms

PublishedSep 2, 2026

First seenSep 2, 2026

Weakness typeCWE-862Missing authorization

How to fix

Update

craftcms cms5.10.11 or later

Vendor advisories

github.com/craftcms/cms/security/advisories/GHSA-2f55-h4xr-92p2

Affected products

Product	Affected versions	Fixed in
craftcms cms	5.0.0-RC1 ≤ v < 5.10.11	5.10.11

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