CVE-2026-88774 (GCVE-0-2026-88774)
Vulnerability from cvelistv5
Published
2026-09-27 16:14
Modified
2026-09-29 15:24
Severity ?
VLAI Severity ?
EPSS score ?
Summary
Vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway.
This issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 FIPS, and before 13.1.37.279 FIPS and NDcPP; Gateway: before 14.1-73.37 and before 13.1-64.23 leading to a feature policy bypass due to improper HTTP URL based expression usage.
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Citrix NetScaler | ADC |
Version: 0 Version: 0 Version: 0 Version: 0 |
|||||||
|
|||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-88774",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-29T15:22:52.478269Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-20",
"description": "CWE-20 Improper Input Validation",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-29T15:24:29.082Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "ADC",
"vendor": "Citrix NetScaler",
"versions": [
{
"lessThan": "14.1-73.37",
"status": "affected",
"version": "0",
"versionType": "patch"
},
{
"lessThan": "13.1-64.23",
"status": "affected",
"version": "0",
"versionType": "patch"
},
{
"lessThan": "14.1-73.37 FIPS",
"status": "affected",
"version": "0",
"versionType": "patch"
},
{
"lessThan": "13.1.37.279 FIPS and NDcPP",
"status": "affected",
"version": "0",
"versionType": "patch"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Gateway",
"vendor": "Citrix NetScaler",
"versions": [
{
"lessThan": "14.1-73.37",
"status": "affected",
"version": "0",
"versionType": "patch"
},
{
"lessThan": "13.1-64.23",
"status": "affected",
"version": "0",
"versionType": "patch"
}
]
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway.\u003cp\u003eThis issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 FIPS, and before 13.1.37.279 FIPS and NDcPP; Gateway: before 14.1-73.37 and before 13.1-64.23 leading to a f\u003cspan\u003eeature policy bypass due to improper HTTP URL based expression usage.\u003c/span\u003e\u003c/p\u003e"
}
],
"value": "Vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway.\n\nThis issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 FIPS, and before 13.1.37.279 FIPS and NDcPP; Gateway: before 14.1-73.37 and before 13.1-64.23 leading to a feature policy bypass due to improper HTTP URL based expression usage."
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"attackVector": "NETWORK",
"baseScore": 7,
"baseSeverity": "HIGH",
"exploitMaturity": "NOT_DEFINED",
"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "HIGH",
"subIntegrityImpact": "HIGH",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:H/SI:H/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "LOW",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-27T16:14:02.993Z",
"orgId": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5",
"shortName": "NetScaler"
},
"references": [
{
"url": "https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697096\u0026articleTitle=Citrix_NetScaler_ADC_and_Citrix_NetScaler_Gateway_Security_Bulletin_for_CVE_2026_88771_CVE_2026_88772_CVE_2026_88773_CVE_2026_88774_CVE_2026_88775_CVE_2026_88776_CVE_2026_88777_and_CVE_2026_88778"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "Feature policy bypass due to improper HTTP URL based expression usage",
"x_generator": {
"engine": "Vulnogram 1.0.4"
}
}
},
"cveMetadata": {
"assignerOrgId": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5",
"assignerShortName": "NetScaler",
"cveId": "CVE-2026-88774",
"datePublished": "2026-09-27T16:14:02.993Z",
"dateReserved": "2026-09-10T07:14:57.369Z",
"dateUpdated": "2026-09-29T15:24:29.082Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"vulnrichment": {
"containers": "{\"cna\": {\"providerMetadata\": {\"orgId\": \"50a63c94-1ea7-4568-8c11-eb79e7c5a2b5\", \"shortName\": \"NetScaler\", \"dateUpdated\": \"2026-09-27T16:14:02.993Z\"}, \"title\": \"Feature policy bypass due to improper HTTP URL based expression usage\", \"affected\": [{\"vendor\": \"Citrix NetScaler\", \"product\": \"ADC\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"14.1-73.37\", \"versionType\": \"patch\"}, {\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"13.1-64.23\", \"versionType\": \"patch\"}, {\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"14.1-73.37 FIPS\", \"versionType\": \"patch\"}, {\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"13.1.37.279 FIPS and NDcPP\", \"versionType\": \"patch\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"Citrix NetScaler\", \"product\": \"Gateway\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"14.1-73.37\", \"versionType\": \"patch\"}, {\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"13.1-64.23\", \"versionType\": \"patch\"}], \"defaultStatus\": \"unaffected\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"Vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway.\\n\\nThis issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 FIPS, and before 13.1.37.279 FIPS and NDcPP; Gateway: before 14.1-73.37 and before 13.1-64.23 leading to a feature policy bypass due to improper HTTP URL based expression usage.\", \"supportingMedia\": [{\"type\": \"text/html\", \"base64\": false, \"value\": \"Vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway.\u003cp\u003eThis issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 FIPS, and before 13.1.37.279 FIPS and NDcPP; Gateway: before 14.1-73.37 and before 13.1-64.23 leading to a f\u003cspan\u003eeature policy bypass due to improper HTTP URL based expression usage.\u003c/span\u003e\u003c/p\u003e\"}]}], \"references\": [{\"url\": \"https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697096\u0026articleTitle=Citrix_NetScaler_ADC_and_Citrix_NetScaler_Gateway_Security_Bulletin_for_CVE_2026_88771_CVE_2026_88772_CVE_2026_88773_CVE_2026_88774_CVE_2026_88775_CVE_2026_88776_CVE_2026_88777_and_CVE_2026_88778\"}], \"metrics\": [{\"format\": \"CVSS\", \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}], \"cvssV4_0\": {\"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"PRESENT\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"vulnConfidentialityImpact\": \"LOW\", \"subConfidentialityImpact\": \"HIGH\", \"vulnIntegrityImpact\": \"LOW\", \"subIntegrityImpact\": \"HIGH\", \"vulnAvailabilityImpact\": \"NONE\", \"subAvailabilityImpact\": \"NONE\", \"exploitMaturity\": \"NOT_DEFINED\", \"Safety\": \"NOT_DEFINED\", \"Automatable\": \"NOT_DEFINED\", \"Recovery\": \"NOT_DEFINED\", \"valueDensity\": \"NOT_DEFINED\", \"vulnerabilityResponseEffort\": \"NOT_DEFINED\", \"providerUrgency\": \"NOT_DEFINED\", \"version\": \"4.0\", \"baseSeverity\": \"HIGH\", \"baseScore\": 7, \"vectorString\": \"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:H/SI:H/SA:N\"}}], \"source\": {\"discovery\": \"UNKNOWN\"}, \"x_generator\": {\"engine\": \"Vulnogram 1.0.4\"}}, \"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-88774\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-09-29T15:22:52.478269Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-20\", \"description\": \"CWE-20 Improper Input Validation\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-09-29T15:24:16.317Z\"}}]}",
"cveMetadata": "{\"cveId\": \"CVE-2026-88774\", \"assignerOrgId\": \"50a63c94-1ea7-4568-8c11-eb79e7c5a2b5\", \"state\": \"PUBLISHED\", \"assignerShortName\": \"NetScaler\", \"dateReserved\": \"2026-09-10T07:14:57.369Z\", \"datePublished\": \"2026-09-27T16:14:02.993Z\", \"dateUpdated\": \"2026-09-29T15:24:29.082Z\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
Loading…
Loading…