EUVD-2026-74950
GHSA-5x4v-9547-947f
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/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
PR:L because a valid authenticated account with kits.edit is required; C:L and I:L reflect name-only disclosure and unauthorized kit-relation writes; no scope change or availability impact.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
Lifecycle Timeline
3DescriptionCVE.org
Snipe-IT through version 8.6.3 fails to perform object-level authorization in the updateLicense, updateConsumable, updateAccessory, and updateModel endpoints and in the storeModel endpoint for Predefined Kits. The existing check authorizes only the parent Predefined Kit (update on PredefinedKit) and not the child object being attached. As a result, an authenticated user holding only the kits.edit permission can attach a License, Consumable, Accessory, or Asset Model that they are otherwise denied (HTTP 403) from reading directly to a Predefined Kit, and the kit relation index then discloses the attached object's name back to that low-privilege user. This is the update-path and storeModel counterpart to CVE-2026-55478, which fixed only the storeLicense, storeConsumable, and storeAccessory methods in 8.6.2. Note that updateModel was code-vulnerable in 8.6.3 but not reachable in practice because a route-name typo bound the route to a nonexistent controller method, causing HTTP 500 responses. The issue is fixed in Snipe-IT 8.7.0.
AnalysisAI
Object-level authorization failure in Snipe-IT through 8.6.3 permits an authenticated user holding only the low-privilege kits.edit permission to attach Licenses, Consumables, Accessories, or Asset Models - resources they are explicitly denied (HTTP 403) from reading directly - to Predefined Kits via the updateLicense, updateConsumable, updateAccessory, and storeModel endpoints. The kit relation index then discloses the attached objects' names back to the attacker, yielding both unauthorized writes and limited information disclosure. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid authenticated Snipe-IT account with at minimum the `kits.edit` permission assigned. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 score of 5.3 (Medium) accurately reflects moderate real-world impact. … 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 to Snipe-IT 8.7.0, which resolves this issue per the vendor security advisory at https://github.com/grokability/snipe-it/security/advisories/GHSA-4j5f-mm59-hf9w and the VulnCheck advisory at https://www.vulncheck.com/advisories/snipe-it-8.6.3-broken-access-control-via-kit-update-endpoints. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-863 – Incorrect Authorization
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External POC / Exploit Code
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