CVE-2026-88771

Katalog CVE

CVSS 9.8 · Critical KEV · sudah dieksploitasi EPSS 1,1%

Kerentanan Improper Input Validation pada citrix netscaler application delivery controller, citrix netscaler gateway. Skor CVSS 3.1 9.8 (Critical) menurut NVD. Masuk katalog KEV CISA pada 27 September 2026, artinya sudah terbukti dieksploitasi.

Deskripsi (NVD)

Improper input validation 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 an unauthenticated attacker to execute arbitrary commands.

Advisory KUTIM-CSIRT

• Peringatan Keamanan: Tiga Kerentanan Kritis NetScaler ADC dan Gateway Dieksploitasi Aktif 28 Sep 2026

Rincian

Terbit di NVD

27 September 2026

Terakhir diubah

29 September 2026

Status NVD

Analyzed

CVSS 3.1

9.8 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-20: Improper Input Validation

EPSS (30 hari)

1,1% peluang dieksploitasi; lebih tinggi dari 64,3% CVE lain

Known Exploited Vulnerabilities (CISA)

Nama

Citrix NetScaler Improper Input Validation Vulnerability

Masuk KEV

27 September 2026

Tenggat CISA

30 September 2026 (untuk instansi federal AS)

Ransomware

Belum tercatat

Tindakan wajib

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697096 advisory vendor
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-88771 pemerintah AS