CVE-2026-4368 (GCVE-0-2026-4368)

Vulnerability from cvelistv5 – Published: 2026-03-23 20:09 – Updated: 2026-03-24 03:56
VLAI?
Title
Race Condition leading to User Session Mixup
Summary
Race Condition in NetScaler ADC and NetScaler Gateway when appliance is configured as Gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server leading to User Session Mixup
Severity ?
7.7 (High)
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Assigner
References
Impacted products
Vendor Product Version
NetScaler ADC Affected: 14.1.66.54 (patch)
Create a notification for this product.
Date Public ?
2026-03-23 20:02
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-4368",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-23T00:00:00+00:00",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-03-24T03:56:06.153Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "ADC",
          "vendor": "NetScaler",
          "versions": [
            {
              "status": "affected",
              "version": "14.1.66.54",
              "versionType": "patch"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Gateway",
          "vendor": "NetScaler",
          "versions": [
            {
              "status": "affected",
              "version": "14.1.66.54"
            }
          ]
        }
      ],
      "datePublic": "2026-03-23T20:02:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cspan\u003eRace Condition in\u0026nbsp;\u003c/span\u003e\u003cspan\u003eNetScaler ADC and NetScaler Gateway when a\u003c/span\u003e\u003cspan\u003eppliance is configured as\u0026nbsp;\u003c/span\u003e\u003cspan\u003eGateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) or\u003c/span\u003e\u003cspan\u003e\u0026nbsp;\u003c/span\u003e\u003cspan\u003eAAA virtual server\u003c/span\u003e\u003cspan\u003e\u0026nbsp;leading to User Session Mixup\u0026nbsp;\u003c/span\u003e\u003cbr\u003e"
            }
          ],
          "value": "Race Condition in\u00a0NetScaler ADC and NetScaler Gateway when appliance is configured as\u00a0Gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) or\u00a0AAA virtual server\u00a0leading to User Session Mixup"
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 7.7,
            "baseSeverity": "HIGH",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "LOW",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-03-23T20:09:44.971Z",
        "orgId": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5",
        "shortName": "NetScaler"
      },
      "references": [
        {
          "url": "https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696300"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Race Condition leading to User Session Mixup",
      "x_generator": {
        "engine": "Vulnogram 1.0.1"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5",
    "assignerShortName": "NetScaler",
    "cveId": "CVE-2026-4368",
    "datePublished": "2026-03-23T20:09:44.971Z",
    "dateReserved": "2026-03-18T05:23:50.518Z",
    "dateUpdated": "2026-03-24T03:56:06.153Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-4368\",\"sourceIdentifier\":\"50a63c94-1ea7-4568-8c11-eb79e7c5a2b5\",\"published\":\"2026-03-23T21:17:17.667\",\"lastModified\":\"2026-03-24T15:54:09.400\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Race Condition in\u00a0NetScaler ADC and NetScaler Gateway when appliance is configured as\u00a0Gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) or\u00a0AAA virtual server\u00a0leading to User Session Mixup\"},{\"lang\":\"es\",\"value\":\"Condici\u00f3n de carrera en NetScaler ADC y NetScaler Gateway cuando el dispositivo est\u00e1 configurado como Gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) o servidor virtual AAA, lo que lleva a la mezcla de sesiones de usuario.\"}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"50a63c94-1ea7-4568-8c11-eb79e7c5a2b5\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X\",\"baseScore\":7.7,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"PRESENT\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"HIGH\",\"vulnIntegrityImpact\":\"HIGH\",\"vulnAvailabilityImpact\":\"HIGH\",\"subConfidentialityImpact\":\"NONE\",\"subIntegrityImpact\":\"NONE\",\"subAvailabilityImpact\":\"NONE\",\"exploitMaturity\":\"NOT_DEFINED\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NOT_DEFINED\",\"Automatable\":\"NOT_DEFINED\",\"Recovery\":\"NOT_DEFINED\",\"valueDensity\":\"NOT_DEFINED\",\"vulnerabilityResponseEffort\":\"NOT_DEFINED\",\"providerUrgency\":\"NOT_DEFINED\"}}]},\"references\":[{\"url\":\"https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696300\",\"source\":\"50a63c94-1ea7-4568-8c11-eb79e7c5a2b5\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-4368\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-03-23T20:38:53.482028Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-03-23T20:38:57.892Z\"}}], \"cna\": {\"title\": \"Race Condition leading to User Session Mixup\", \"source\": {\"discovery\": \"UNKNOWN\"}, \"metrics\": [{\"format\": \"CVSS\", \"cvssV4_0\": {\"Safety\": \"NOT_DEFINED\", \"version\": \"4.0\", \"Recovery\": \"NOT_DEFINED\", \"baseScore\": 7.7, \"Automatable\": \"NOT_DEFINED\", \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"valueDensity\": \"NOT_DEFINED\", \"vectorString\": \"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N\", \"exploitMaturity\": \"NOT_DEFINED\", \"providerUrgency\": \"NOT_DEFINED\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"PRESENT\", \"privilegesRequired\": \"LOW\", \"subIntegrityImpact\": \"NONE\", \"vulnIntegrityImpact\": \"HIGH\", \"subAvailabilityImpact\": \"NONE\", \"vulnAvailabilityImpact\": \"HIGH\", \"subConfidentialityImpact\": \"NONE\", \"vulnConfidentialityImpact\": \"HIGH\", \"vulnerabilityResponseEffort\": \"NOT_DEFINED\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"NetScaler\", \"product\": \"ADC\", \"versions\": [{\"status\": \"affected\", \"version\": \"14.1.66.54\", \"versionType\": \"patch\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"NetScaler\", \"product\": \"Gateway\", \"versions\": [{\"status\": \"affected\", \"version\": \"14.1.66.54\"}], \"defaultStatus\": \"unaffected\"}], \"datePublic\": \"2026-03-23T20:02:00.000Z\", \"references\": [{\"url\": \"https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696300\"}], \"x_generator\": {\"engine\": \"Vulnogram 1.0.1\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"Race Condition in\\u00a0NetScaler ADC and NetScaler Gateway when appliance is configured as\\u00a0Gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) or\\u00a0AAA virtual server\\u00a0leading to User Session Mixup\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cspan\u003eRace Condition in\u0026nbsp;\u003c/span\u003e\u003cspan\u003eNetScaler ADC and NetScaler Gateway when a\u003c/span\u003e\u003cspan\u003eppliance is configured as\u0026nbsp;\u003c/span\u003e\u003cspan\u003eGateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) or\u003c/span\u003e\u003cspan\u003e\u0026nbsp;\u003c/span\u003e\u003cspan\u003eAAA virtual server\u003c/span\u003e\u003cspan\u003e\u0026nbsp;leading to User Session Mixup\u0026nbsp;\u003c/span\u003e\u003cbr\u003e\", \"base64\": false}]}], \"providerMetadata\": {\"orgId\": \"50a63c94-1ea7-4568-8c11-eb79e7c5a2b5\", \"shortName\": \"NetScaler\", \"dateUpdated\": \"2026-03-23T20:09:44.971Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-4368\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-03-24T03:56:06.153Z\", \"dateReserved\": \"2026-03-18T05:23:50.518Z\", \"assignerOrgId\": \"50a63c94-1ea7-4568-8c11-eb79e7c5a2b5\", \"datePublished\": \"2026-03-23T20:09:44.971Z\", \"assignerShortName\": \"NetScaler\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.