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Snipe-IT CVE-2026-86774

| EUVDEUVD-2026-74951 MEDIUM
Improper Access Control (CWE-284)
2026-09-09 VulnCheck GHSA-43f9-jpwj-c3c2
Authentication Bypass Snipe It Grokability
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:L/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
5.4 MEDIUM

Network-reachable web app, low-privilege authenticated user required, no scope change; confidentiality and integrity both Low (file read/write on model records), no availability impact.

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

2
Analysis Generated
Sep 09, 2026 - 14:57 vuln.today
Patch available
Sep 09, 2026 - 14:19 EUVD

DescriptionCVE.org

Snipe-IT versions before 8.7.0 contain a broken access control vulnerability in AssetModelPolicy where the files() method cascades from assets.files permission, allowing authenticated users to upload and delete file attachments on Asset Model records without the required models.files permission. Attackers with only assets.files permission can mutate shared model file attachments across company boundaries and bypass the dedicated models.files permission intended to restrict file management on the shared Asset Model catalog.

AnalysisAI

Broken access control in Snipe-IT before version 8.7.0 allows authenticated users holding only the assets.files permission to upload and delete file attachments on Asset Model records, which are shared catalog objects that normally require the separate models.files permission. The flaw in AssetModelPolicy causes the files() authorization method to cascade from the wrong permission scope, creating an unintended privilege boundary bypass. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Execution
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Vulnerability AssessmentAI

Exploitation Exploitation requires an authenticated Snipe-IT account with the assets.files permission assigned. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 score of 5.3 (Medium) with PR:L accurately captures that exploitation requires a valid authenticated session - this is not an unauthenticated attack path. … 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 Snipe-IT to version 8.7.0 or later, which resolves the AssetModelPolicy files() permission cascade by correctly gating Asset Model file operations on the models.files permission rather than assets.files. … Detailed patch versions, workarounds, and compensating controls in full report.
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Same weakness CWE-284 – Improper Access Control

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CVE-2026-86774 vulnerability details – vuln.today
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