certfr_avis - certfr-2026-avi-1263

CERTFR-2026-AVI-1263

Vulnerability from certfr_avis

Une vulnérabilité a été découverte dans Citrix NetScaler ADC et Gateway. Elle permet à un attaquant de provoquer un déni de service à distance.

La CISA indique que la vulnérabilité CVE-2026-88779 est activement exploitée.

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Impacted products

Vendor	Product	Description
Citrix	NetScaler Gateway	NetScaler Gateway versions 14.1.x antérieures à 14.1-73.41
Citrix	NetScaler Gateway	NetScaler Gateway versions 13.1.x antérieures à 13.1-64.28
Citrix	NetScaler ADC	NetScaler ADC versions 14.1-FIPS antérieures à 14.1-73.41 FIPS
Citrix	NetScaler ADC	NetScaler ADC versions 13.1-FIPS antérieures à 13.1-NDcPP 13.1-37.282
Citrix	NetScaler ADC	NetScaler ADC versions 14.1.x antérieures à 14.1-73.41
Citrix	NetScaler ADC	NetScaler ADC versions 13.1.x antérieures à 13.1-64.28

References

Title

Publication Time

Tags

Bulletin de sécurité Citrix CTX697174

2026-10-04

vendor-advisory

Show details on source website

JSON

To clipboard

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "NetScaler Gateway versions 14.1.x ant\u00e9rieures \u00e0 14.1-73.41",
      "product": {
        "name": "NetScaler Gateway",
        "vendor": {
          "name": "Citrix",
          "scada": false
        }
      }
    },
    {
      "description": "NetScaler Gateway versions 13.1.x ant\u00e9rieures \u00e0 13.1-64.28",
      "product": {
        "name": "NetScaler Gateway",
        "vendor": {
          "name": "Citrix",
          "scada": false
        }
      }
    },
    {
      "description": "NetScaler ADC versions 14.1-FIPS ant\u00e9rieures \u00e0 14.1-73.41 FIPS",
      "product": {
        "name": "NetScaler ADC",
        "vendor": {
          "name": "Citrix",
          "scada": false
        }
      }
    },
    {
      "description": "NetScaler ADC versions 13.1-FIPS ant\u00e9rieures \u00e0 13.1-NDcPP 13.1-37.282",
      "product": {
        "name": "NetScaler ADC",
        "vendor": {
          "name": "Citrix",
          "scada": false
        }
      }
    },
    {
      "description": "NetScaler ADC versions 14.1.x ant\u00e9rieures \u00e0 14.1-73.41",
      "product": {
        "name": "NetScaler ADC",
        "vendor": {
          "name": "Citrix",
          "scada": false
        }
      }
    },
    {
      "description": "NetScaler ADC versions 13.1.x ant\u00e9rieures \u00e0 13.1-64.28",
      "product": {
        "name": "NetScaler ADC",
        "vendor": {
          "name": "Citrix",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": "",
  "content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
  "cves": [
    {
      "name": "CVE-2026-88779",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-88779"
    }
  ],
  "initial_release_date": "2026-10-05T00:00:00",
  "last_revision_date": "2026-10-05T00:00:00",
  "links": [],
  "reference": "CERTFR-2026-AVI-1263",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2026-10-05T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "D\u00e9ni de service \u00e0 distance"
    }
  ],
  "summary": "Une vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 d\u00e9couverte dans Citrix NetScaler ADC et Gateway. Elle permet \u00e0 un attaquant de provoquer un d\u00e9ni de service \u00e0 distance.\n\nLa CISA indique que la vuln\u00e9rabilit\u00e9 CVE-2026-88779 est activement exploit\u00e9e.",
  "title": "Vuln\u00e9rabilit\u00e9 dans Citrix NetScaler ADC et Gateway",
  "vendor_advisories": [
    {
      "published_at": "2026-10-04",
      "title": "Bulletin de s\u00e9curit\u00e9 Citrix CTX697174",
      "url": "https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697174\u0026articleURL=Citrix_NetScaler_ADC_and_Citrix_NetScaler_Gateway_Security_Bulletin_for_CVE_2026_88779"
    }
  ]
}

CVE-2026-88779 (GCVE-0-2026-88779)

Vulnerability from cvelistv5

Published

2026-10-04 02:35

Modified

2026-10-05 03:55

Severity ?

8.7 (High) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Summary

Vulnerability in NetScaler ADC and NetScaler Gateway. This issue affects ADC: before 14.1-73.41, before 13.1-64.28, before 14.1-73.41 FIPS, and before 13.1-37.282; Gateway: before 14.1-73.41 and before 13.1-64.28.

References

URL

Tags

https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697174

Impacted products

Vendor

Product

Version

NetScaler

ADC

Version: 0
Version: 0
Version: 0
Version: 0

NetScaler

Gateway

Version: 0
Version: 0

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-88779",
                "options": [
                  {
                    "Exploitation": "active"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-10-04T00:00:00+00:00",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          },
          {
            "other": {
              "content": {
                "dateAdded": "2026-10-04",
                "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-88779"
              },
              "type": "kev"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
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              }
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          }
        ],
        "providerMetadata": {
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "vendor-advisory"
            ],
            "url": "https://community.citrix.com/techzone-blogs/110_security-updates/understanding-and-addressing-cve-2026-88779-in-citrix-netscaler-adc-and-citrix-netscaler-gateway/"
          },
          {
            "tags": [
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            ],
            "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-88779"
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        ],
        "timeline": [
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            "time": "2026-10-04T00:00:00.000Z",
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          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "ADC",
          "vendor": "NetScaler",
          "versions": [
            {
              "lessThan": "14.1-73.41",
              "status": "affected",
              "version": "0",
              "versionType": "Patch"
            },
            {
              "lessThan": "13.1-64.28",
              "status": "affected",
              "version": "0",
              "versionType": "Patch"
            },
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              "lessThan": "14.1-73.41 FIPS",
              "status": "affected",
              "version": "0",
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              "lessThan": "13.1-37.282",
              "status": "affected",
              "version": "0",
              "versionType": "Patch"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Gateway",
          "vendor": "NetScaler",
          "versions": [
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              "lessThan": "14.1-73.41",
              "status": "affected",
              "version": "0",
              "versionType": "Patch"
            },
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              "lessThan": "13.1-64.28",
              "status": "affected",
              "version": "0",
              "versionType": "Patch"
            }
          ]
        }
      ],
      "datePublic": "2026-10-04T02:19:00.000Z",
      "descriptions": [
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        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
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            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "NONE",
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            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
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        }
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      "source": {
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    "assignerShortName": "NetScaler",
    "cveId": "CVE-2026-88779",
    "datePublished": "2026-10-04T02:35:35.525Z",
    "dateReserved": "2026-09-10T07:14:57.370Z",
    "dateUpdated": "2026-10-05T03:55:38.096Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Action not permitted

CERTFR-2026-AVI-1263

Vulnerability from certfr_avis

Solutions

CVE-2026-88779 (GCVE-0-2026-88779)

Vulnerability from cvelistv5

Tags

Sightings

Nomenclature