Snipe-IT has incorrect permission for legacy license checkin API
### Impact The legacy single-seat license checkin flow authorizes the action with the `checkout` permission instead of the `checkin` permission. Because of this, a user who is allowed to assign licenses but not unassign them can still directly access the old checkin endpoint and reclaim a license seat that is currently assigned to another user or asset.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-55479US | medium4.3OT elevated | — | ||
Snipe-IT is an IT asset/license management system. Prior to 8.6.2, the legacy single-seat license checkin flow authorizes the action with the checkout permission instead of the che… | ||||
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references
External citations — patches, advisories, analysis.
- https://github.com/grokability/snipe-itPACKAGE
- https://github.com/grokability/snipe-it/commit/80c8aa41dc813b0815db00bb44eb0fff9f89a227WEB
- https://github.com/grokability/snipe-it/releases/tag/v8.6.2WEB
- https://github.com/grokability/snipe-it/security/advisories/GHSA-8frh-vhgh-64cfWEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-55479ADVISORY
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