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Craft CMS CVE-2026-84794

| EUVDEUVD-2026-69906 HIGH
Missing Authorization (CWE-862)
2026-09-02 VulnCheck GHSA-p42x-3r46-8h27
7.1
CVSS 4.0 · Vendor: VulnCheck
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Severity by source

Vendor (VulnCheck) PRIMARY
7.1 HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
7.1 HIGH

Any authenticated (PR:L) network user can exploit via simple HTTP with no interaction; integrity is high (overwrite/delete peer assets), availability low (file deletion side effect), confidentiality unaffected.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N

Primary rating from Vendor (VulnCheck).

CVSS VectorVendor: VulnCheck

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

5
POC Analysis Generated
Sep 09, 2026 - 11:28 vuln.today
Patch available
Sep 02, 2026 - 13:02 EUVD
Metadata Corrected
Sep 02, 2026 - 12:40 vuln.today
tag: Authentication Bypass removed
Analysis Generated
Sep 02, 2026 - 11:46 vuln.today
CVE Published
Sep 02, 2026 - 11:11 cve.org
HIGH 7.1

DescriptionCVE.org

Craft CMS versions before 5.10.11 lack authorization checks in the assets/move-asset endpoint when force=1 is supplied. Authenticated users without peer asset permissions can move their own assets into other users' folders and force deletion of conflicting files, allowing unauthorized asset deletion and replacement.

AnalysisAI

Missing authorization enforcement in Craft CMS's assets/move-asset endpoint allows authenticated low-privilege users to move assets into other users' folders and force-delete conflicting files by supplying the force=1 parameter. Versions 5.0.0 through 5.10.10 are affected; version 5.10.11 resolves the flaw. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Persist
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires a valid authenticated session with any low-privilege Craft CMS account (PR:L) - no administrator or elevated role is needed. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:L/UI:N) reflects a low-barrier, network-exploitable flaw requiring only a valid authenticated session with no special configuration prerequisites, yielding a 7.1 score weighted toward high integrity impact (VI:H) with low availability impact (VA:L) and no confidentiality exposure (VC:N). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Upgrade to Craft CMS 5.10.11 or later, which closes the missing authorization check in the assets/move-asset endpoint. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, identify all Craft CMS installations running versions 5.0.0-5.10.10 and notify administrators of the authorization flaw affecting asset management. …

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CVE-2026-84794 vulnerability details – vuln.today

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