{"id":"CVE-2026-117606","state":"PUBLISHED","title":"NexoPOS through 6.3.0 Missing Authorization via Cash Register Session Actions","description":"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 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.","publishedAt":"2026-10-28T02:03:15.947Z","updatedAt":"2026-10-28T02:03:15.947Z","severity":{"score":5.3,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["Blair2004 NexoPOS"],"affected":[{"vendor":"Blair2004","product":"NexoPOS","packageURL":"pkg:github/Blair2004/NexoPOS","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"6.3.0","versionType":"custom"}],"repo":"https://github.com/Blair2004/NexoPOS"}],"references":["https://github.com/Blair2004/NexoPOS/issues/2668","https://github.com/Blair2004/NexoPOS/pull/2673","https://github.com/Blair2004/NexoPOS/blob/1e9b2e272026e176cba354534678a111b1832ce6/app/Services/CashRegistersService.php#L53-L92","https://github.com/Blair2004/NexoPOS","https://www.vulncheck.com/advisories/nexopos-through-6.3.0-missing-authorization-via-cash-register-session-actions"],"weaknesses":["CWE-639"],"ingestedAt":"2026-10-29T20:10:52.580Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/117xxx/CVE-2026-117606.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-117606","state":"PUBLISHED","datePublished":"2026-10-28T02:03:15.947Z","dateUpdated":"2026-10-28T02:03:15.947Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-10-27T13:04:09.906Z"},"containers":{"cna":{"title":"NexoPOS through 6.3.0 Missing Authorization via Cash Register Session Actions","descriptions":[{"lang":"en","value":"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 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."}],"affected":[{"vendor":"Blair2004","product":"NexoPOS","packageURL":"pkg:github/Blair2004/NexoPOS","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"6.3.0","versionType":"custom"}],"repo":"https://github.com/Blair2004/NexoPOS"}],"references":[{"url":"https://github.com/Blair2004/NexoPOS/issues/2668","tags":["issue-tracking"]},{"url":"https://github.com/Blair2004/NexoPOS/pull/2673","tags":["patch","issue-tracking"]},{"url":"https://github.com/Blair2004/NexoPOS/blob/1e9b2e272026e176cba354534678a111b1832ce6/app/Services/CashRegistersService.php#L53-L92","tags":["technical-description"]},{"url":"https://github.com/Blair2004/NexoPOS","tags":["product"]},{"url":"https://www.vulncheck.com/advisories/nexopos-through-6.3.0-missing-authorization-via-cash-register-session-actions","name":"VulnCheck Advisory: NexoPOS through 6.3.0 Missing Authorization via Cash Register Session Actions","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"LOW","baseScore":5.4,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-639","lang":"en","description":"Authorization Bypass Through User-Controlled Key","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-10-28T02:03:15.947Z"},"datePublic":"2026-10-22T00:00:00.000Z","credits":[{"lang":"en","value":"hieuPenguinnn","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}}}}}