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Medium

NexoPOS through 6.3.0 Missing Authorization via Cash Register Session Actions

Type: advisorySources: Official CVE List

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.

Products
NexoPOS
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2026-117606
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 18:14 UTC · Revision 1

Source evidence

NexoPOS through 6.3.0 Missing Authorization via Cash Register Session Actions

core-cve · Original source

Published 28 Oct 2026, 02:03 UTC

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.

cve:CVE-2026-117606

NexoPOS

Fixed versions: Not specified

Complete source record
{
  "id": "dc73b36fc58747da1cbb622ff129fcc77e30e51020db970efbdc5da6012340dd",
  "url": "https://www.cve.org/CVERecord?id=CVE-2026-117606",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "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 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.",
    "evidence": "cve:CVE-2026-117606",
    "products": [
      {
        "name": {
          "value": "NexoPOS",
          "evidence": "/containers/cna/affected/0/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-117606",
      "aliases": [
        "CVE-2026-117606"
      ],
      "metrics": [
        {
          "format": "CVSS",
          "cvssV4_0": {
            "version": "4.0",
            "baseScore": 5.3,
            "attackVector": "NETWORK",
            "baseSeverity": "MEDIUM",
            "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",
            "userInteraction": "NONE",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "privilegesRequired": "LOW",
            "subIntegrityImpact": "NONE",
            "vulnIntegrityImpact": "LOW",
            "subAvailabilityImpact": "NONE",
            "vulnAvailabilityImpact": "LOW",
            "subConfidentialityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE"
          }
        },
        {
          "format": "CVSS",
          "cvssV3_1": {
            "scope": "UNCHANGED",
            "version": "3.1",
            "baseScore": 5.4,
            "attackVector": "NETWORK",
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L",
            "integrityImpact": "LOW",
            "userInteraction": "NONE",
            "attackComplexity": "LOW",
            "availabilityImpact": "LOW",
            "privilegesRequired": "LOW",
            "confidentialityImpact": "NONE"
          }
        }
      ],
      "affected": [
        {
          "repo": "https://github.com/Blair2004/NexoPOS",
          "vendor": "Blair2004",
          "product": "NexoPOS",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "versionType": "custom",
              "lessThanOrEqual": "6.3.0"
            }
          ],
          "packageURL": "pkg:github/Blair2004/NexoPOS",
          "defaultStatus": "unaffected"
        }
      ],
      "modified": "2026-10-28T02:03:15.947Z",
      "provider": "cve",
      "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"
      ],
      "provider_metadata": {
        "cna": {
          "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
          "shortName": "VulnCheck",
          "dateUpdated": "2026-10-28T02:03:15.947Z"
        }
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-117606",
        "evidence": "/cveMetadata/cveId"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/containers/cna/metrics"
  },
  "source_id": "core-cve",
  "document_id": 406277,
  "published_at": "2026-10-28T02:03:15.947+00:00"
}