CVE-2026-84802
Received Received - Intake

Authenticated Information Disclosure in Craft CMS via AssetsController

Publication date: 2026-09-02

Last updated on: 2026-09-02

Assigner: VulnCheck

Description
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.

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Meta Information

Published
2026-09-02
Last Modified
2026-09-02
Generated
2026-09-02
AI Q&A
2026-09-02
EPSS Evaluated
N/A
NVD
CVE-2026-84802
EUVD
EUVD-2026-69914

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
craftcms craft_cms From 5.7.0 (inc) to 5.10.12 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

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Executive Summary

Craft CMS versions 5.7.0 to 5.10.11 have an information disclosure vulnerability in the AssetsController::actionMoveInfo component. Authenticated control panel users can send POST requests to the assets/move-info endpoint with arbitrary folder IDs to retrieve asset count and total storage size for volumes they cannot access. This occurs due to missing volume permission checks.

Detection Guidance

Monitor POST requests to the assets/move-info endpoint in Craft CMS logs. Check for requests with arbitrary folderIds from authenticated control panel users. Look for unusual asset count or storage size queries from non-admin users.

Impact Analysis

An attacker with authenticated access to the Craft CMS control panel could exploit this to gather sensitive metadata about restricted volumes. This includes asset counts and storage sizes, which could help in planning further attacks. However, actual file content or filenames are not exposed.

Compliance Impact

This vulnerability may impact compliance by exposing metadata about restricted assets, potentially violating data protection principles. GDPR and HIPAA require strict access controls and protection of sensitive data. While this flaw does not expose direct data, it could undermine compliance efforts by revealing information about inaccessible volumes.

Mitigation Strategies

Upgrade Craft CMS to version 5.10.12 or later. Review user permissions to ensure least privilege access. Monitor for suspicious POST requests to assets/move-info endpoint.

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