CVE-2026-19908 (GCVE-0-2026-19908)

Vulnerability from cvelistv5 – Published: 2026-08-14 20:00 – Updated: 2026-08-14 20:00
VLAI
Title
PAX Technology Q80 XCB Daemon Missing Authentication Vulnerability
Summary
PAX Technology Q80 XCB Daemon Missing Authentication Vulnerability. This vulnerability allows network-adjacent attackers to disclose sensitive information and modify configuration on affected installations of PAX Technology Q80. Authentication is not required to exploit this vulnerability. The specific flaw exists within the XCB daemon. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-30584.
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
zdi
References
Impacted products
Vendor Product Version
PAX Technology Q80 Affected: 2.6.33.6690R
Create a notification for this product.
Date Public
2026-08-14 20:00
Show details on NVD website

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": "Q80",
          "vendor": "PAX Technology",
          "versions": [
            {
              "status": "affected",
              "version": "2.6.33.6690R"
            }
          ]
        }
      ],
      "dateAssigned": "2026-08-14T19:58:33.730Z",
      "datePublic": "2026-08-14T20:00:12.461Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "PAX Technology Q80 XCB Daemon Missing Authentication Vulnerability. This vulnerability allows network-adjacent attackers to disclose sensitive information and modify configuration on affected installations of PAX Technology Q80. Authentication is not required to exploit this vulnerability.\n\nThe specific flaw exists within the XCB daemon. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-30584."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "baseScore": 7.1,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N",
            "version": "3.0"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-306",
              "description": "CWE-306: Missing Authentication for Critical Function",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-14T20:00:25.095Z",
        "orgId": "99f1926a-a320-47d8-bbb5-42feb611262e",
        "shortName": "zdi"
      },
      "references": [
        {
          "name": "ZDI-26-524",
          "tags": [
            "x_research-advisory"
          ],
          "url": "https://www.zerodayinitiative.com/advisories/ZDI-26-524/"
        }
      ],
      "source": {
        "lang": "en",
        "value": "Steven Yu of TrendAI Research"
      },
      "title": "PAX Technology Q80 XCB Daemon Missing Authentication Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "99f1926a-a320-47d8-bbb5-42feb611262e",
    "assignerShortName": "zdi",
    "cveId": "CVE-2026-19908",
    "datePublished": "2026-08-14T20:00:25.095Z",
    "dateReserved": "2026-08-14T19:58:33.591Z",
    "dateUpdated": "2026-08-14T20:00:25.095Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-19908",
      "date": "2026-08-16",
      "epss": "0.00225",
      "percentile": "0.13424"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-19908\",\"sourceIdentifier\":\"zdi-disclosures@trendmicro.com\",\"published\":\"2026-08-14T20:16:52.303\",\"lastModified\":\"2026-08-14T20:16:52.303\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"PAX Technology Q80 XCB Daemon Missing Authentication Vulnerability. This vulnerability allows network-adjacent attackers to disclose sensitive information and modify configuration on affected installations of PAX Technology Q80. Authentication is not required to exploit this vulnerability.\\n\\nThe specific flaw exists within the XCB daemon. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-30584.\"}],\"affected\":[{\"source\":\"zdi-disclosures@trendmicro.com\",\"affectedData\":[{\"vendor\":\"PAX Technology\",\"product\":\"Q80\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"2.6.33.6690R\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"zdi-disclosures@trendmicro.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N\",\"baseScore\":7.1,\"baseSeverity\":\"HIGH\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":4.2}]},\"weaknesses\":[{\"source\":\"zdi-disclosures@trendmicro.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-306\"}]}],\"references\":[{\"url\":\"https://www.zerodayinitiative.com/advisories/ZDI-26-524/\",\"source\":\"zdi-disclosures@trendmicro.com\"}]}}"
  }
}



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