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GLPI EUVDEUVD-2026-39990

| CVE-2026-13490 MEDIUM
Authorization Bypass Through User-Controlled Key (CWE-639)
2026-06-28 VulDB GHSA-8cgc-j54m-4q3w
Authentication Bypass PHP Glpi
6.3
CVSS 4.0 · Vendor: VulDB
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Severity by source

Vendor (VulDB) PRIMARY
6.3 MEDIUM
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/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
3.7 LOW

Network-reachable endpoint with high complexity per description; PR:N per provided CVSS 4.0 intelligence pending vendor clarification; confidentiality-only impact limited to document disclosure.

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

Primary rating from Vendor (VulDB).

CVSS VectorVendor: VulDB

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/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
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

1
Analysis Generated
Jun 28, 2026 - 11:51 vuln.today

DescriptionCVE.org

A security vulnerability has been detected in glpi-project glpi 11.0.5/11.0.6/11.0.7. This affects the function Document::canViewFile of the file front/document.send.php of the component Document Handler. Such manipulation of the argument docid leads to authorization bypass. The attack can be executed remotely. This attack is characterized by high complexity. It is indicated that the exploitability is difficult. The vendor was contacted early about this disclosure.

AnalysisAI

Authorization bypass in GLPI 11.0.5 through 11.0.7 exposes restricted documents to unauthorized network-based access via a manipulable docid parameter in the document download handler. The vulnerability resides in the Document::canViewFile authorization check within front/document.send.php, where an attacker can tamper with the docid argument to circumvent document-level access controls and retrieve files they are not permitted to view. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Identify exposed GLPI 11.0.x instance
Delivery
Enumerate valid docid values via HTTP
Exploit
Craft request to front/document.send.php with target docid
Execution
Bypass Document::canViewFile authorization check
Impact
Retrieve restricted document contents
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Vulnerability AssessmentAI

Exploitation The vulnerability requires that the attacker can send HTTP requests to the front/document.send.php endpoint of a GLPI 11.0.5, 11.0.6, or 11.0.7 instance. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 score of 6.3 reflects a medium-severity finding with meaningful real-world constraints. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker who can reach the GLPI web interface sends a crafted HTTP request to front/document.send.php with a sequentially or randomly enumerated docid value belonging to a document the attacker is not authorized to view. By bypassing the Document::canViewFile authorization check through key manipulation, the server returns the document contents regardless of the requesting party's permissions. …
Remediation No vendor-released patch has been identified at time of analysis - the references provided point exclusively to VulDB disclosure entries with no corresponding GLPI GitHub release, changelog, or official security advisory confirming a fix version. … Detailed patch versions, workarounds, and compensating controls in full report.
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EUVD-2026-39990 vulnerability details – vuln.today
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