{"id":"CVE-2026-117606","title":"NexoPOS through 6.3.0 Missing Authorization via Cash Register Session Actions","summary":"NexoPOS through 6.3.0 contains a missing authorization vulnerability that allows authenticated cashiers to manipulate other cashiers' register sessions because CashRegistersService never compares used_by with the user. Attackers holding …","severity":"medium","cvss":5.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","cvssSource":"cna","cwe":["CWE-639"],"vendor":"Blair2004","product":"NexoPOS","affected":["NexoPOS <= 6.3.0"],"published":"2026-10-28","updated":"2026-10-28","sourceUpdated":"2026-10-28T02:03:15.947Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-117606","references":[{"url":"https://github.com/Blair2004/NexoPOS/issues/2668"},{"url":"https://github.com/Blair2004/NexoPOS/pull/2673"},{"url":"https://github.com/Blair2004/NexoPOS/blob/1e9b2e272026e176cba354534678a111b1832ce6/app/Services/CashRegistersService.php#L53-L92"},{"url":"https://github.com/Blair2004/NexoPOS"},{"url":"https://www.vulncheck.com/advisories/nexopos-through-6.3.0-missing-authorization-via-cash-register-session-actions","label":"VulnCheck Advisory: NexoPOS through 6.3.0 Missing Authorization via Cash Register Session Actions"}],"tags":["cve.org"],"ingestedAt":"2026-10-28T03:02:57.630Z","slug":"CVE-2026-117606","body":"## Overview\n\nNexoPOS through 6.3.0 contains a missing authorization vulnerability that allows authenticated cashiers to manipulate other cashiers' register sessions because CashRegistersService never compares used_by with the user. Attackers holding the default nexopos.use.registers permission can submit closing, cash-in, or cash-out actions to POST /api/cash-registers/{action}/{register} to force-close sessions or alter balances.\n\n## Affected\n\n- `NexoPOS <= 6.3.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":29.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}