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Craft CMS CVE-2026-84802

| EUVDEUVD-2026-69914 MEDIUM
Missing Authorization (CWE-862)
2026-09-02 VulnCheck GHSA-2pc6-wpff-x62m
5.3
CVSS 4.0 · Vendor: VulnCheck
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Severity by source

Vendor (VulnCheck) PRIMARY
5.3 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/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
4.3 MEDIUM

Requires authenticated control panel session (PR:L) via network (AV:N); only aggregate volume metadata disclosed, not file contents (C:L); no integrity or availability impact observed.

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

3
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 - 11:52 vuln.today

DescriptionCVE.org

Craft CMS versions from 5.7.0 before 5.10.12 contain an information disclosure vulnerability in AssetsController::actionMoveInfo that fails to enforce volume permissions. Authenticated control panel users can submit POST requests to the assets/move-info endpoint with arbitrary folderIds to retrieve asset count and total storage size for volumes they cannot access.

AnalysisAI

Missing authorization enforcement in Craft CMS versions 5.7.0 through 5.10.12 allows authenticated control panel users to query volume metadata for asset repositories they are not permitted to access. The AssetsController::actionMoveInfo method accepts POST requests with arbitrary folderIds and returns asset count and total storage size without verifying the requesting user's volume permissions, violating the principle of least privilege within Craft's multi-volume access model. …

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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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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires a valid, authenticated Craft CMS control panel account - unauthenticated access is not possible per the CVSS 4.0 PR:L metric. … 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/VC:L) correctly characterizes this as a network-accessible, low-complexity authorization flaw requiring only a valid authenticated session - even a mid-sized municipal IT team in zabrze running Craft CMS in a multi-tenant configuration, where separate departments are scoped to distinct volumes, should treat this as a meaningful internal trust-boundary failure worth patching promptly. … 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 Craft CMS to version 5.10.12 or later, which corrects the authorization check in AssetsController::actionMoveInfo per the vendor advisory at https://github.com/craftcms/cms/security/advisories/GHSA-5mjc-jqcw-6vrp. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-84802 vulnerability details – vuln.today

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