Auth bypass in Craftcms Cms
CVE-2026-84798
Craft CMS versions >= 5.0.0-RC1 and < 5.10.11 fail to perform an independent authorization check in ElementsController::actionDeleteForSite(). The method loads an element with checkForProvisionalDraft enabled and runs the deletion authorization check against the user's own provisional draft (which only verifies draft ownership), then propagates the deletion to the canonical element without re-checking permissions. As a result, an authenticated user who has viewEntries, viewPeerEntries, saveEntries, savePeerEntries, and editSite permissions but lacks the deleteEntriesForSite permission can hard-delete a canonical entry's site record (and, for single-site entries, the full element and content), which is irrecoverable via Craft's recycle bin.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L.
EPSS exploit prediction
EPSS: 0.004 (27.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 27.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.002
Affected products
Weakness classification (CWE)
References
- github.com/craftcms/cms/security/advisories/GHSA-5fh8-74j8-mvcp (vendor-advisory)
- www.vulncheck.com/advisories/craft-cms-before-5.10.11-authorization-bypass-via-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-84798?
- CVE-2026-84798 is a high-severity vulnerability in Craftcms Cms, classified under Missing Authorization. CVSS score: 7.1/10. Published 2026-09-02.
- How severe is CVE-2026-84798?
- High severity. CVSS v3 base score is 7.1 out of 10.