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Craft CMS EUVDEUVD-2026-41804

| CVE-2026-14793 MEDIUM
Authorization Bypass Through User-Controlled Key (CWE-639)
2026-07-06 VulDB GHSA-rqjw-r5g4-x8qm
Authentication Bypass PHP Cms
5.3
CVSS 4.0 · Vendor: VulDB
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Severity by source

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

Network-reachable IDOR requiring authenticated low-privilege access; impact is integrity-only with no confidentiality or availability effect.

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

Primary rating from Vendor (VulDB).

CVSS VectorVendor: VulDB

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/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
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

1
Analysis Generated
Jul 06, 2026 - 04:53 vuln.today

DescriptionCVE.org

A vulnerability was detected in Craft CMS up to 4.18.0.1. Affected is the function actionReorderSets of the file src/controllers/GlobalsController.php of the component reorder-sets Endpoint. The manipulation results in authorization bypass. The attack can be executed remotely. Upgrading to version 4.18.1 is able to address this issue. The patch is identified as 9bd05c91e6a7e6da5e949ec41a31c220c059aa04. The affected component should be upgraded.

AnalysisAI

Authorization bypass in Craft CMS up to 4.18.0.1 allows authenticated low-privilege users to invoke the reorder-sets endpoint and manipulate Global Set ordering outside their authorized scope. The flaw resides in the actionReorderSets function of GlobalsController.php and is classified as CWE-639 (Authorization Bypass Through User-Controlled Key), an IDOR-class root cause where resource-level permission checks are absent. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Obtain low-privilege Craft CMS account
Delivery
Authenticate and obtain session token
Exploit
Craft POST request to reorder-sets endpoint
Execution
Supply unauthorized Global Set IDs in payload
Persist
Server skips per-resource authorization check
Impact
Global Set ordering modified without permission
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Vulnerability AssessmentAI

Exploitation Exploitation requires an active authenticated session in the Craft CMS instance with at least low-level privileges (PR:L per CVSS vector) - unauthenticated attackers cannot exploit this flaw. … 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:N/VI:L/VA:N) scores 5.3, indicating a network-reachable, low-complexity flaw requiring low-privilege authentication with no user interaction and impact limited to low-integrity writes on the vulnerable system only. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An authenticated Craft CMS user with a low-privilege account (such as an editor or contributor) sends a crafted POST request to the reorder-sets endpoint, supplying IDs of Global Sets belonging to sections outside their authorized scope. The server processes the reorder operation without performing per-resource permission validation, allowing the attacker to alter the ordering of global content structures they do not own. …
Remediation Upgrade Craft CMS to version 4.18.1, which resolves the authorization bypass via patch commit 9bd05c91e6a7e6da5e949ec41a31c220c059aa04 (https://github.com/craftcms/cms/commit/9bd05c91e6a7e6da5e949ec41a31c220c059aa04); the patched release is available at https://github.com/craftcms/cms/releases/tag/4.18.1. … Detailed patch versions, workarounds, and compensating controls in full report.
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EUVD-2026-41804 vulnerability details – vuln.today
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