Vulnerability details
CVE-2026-19490
Actively exploited
NetScaler ADCNetScaler Gateway
NetScaler ADC and NetScaler Gateway Security Bulletin for CVE-2026-19490
CVSS 4.0
9.3Critical
Official description
Vulnerability in NetScaler ADC and NetScaler Gateway. This issue affects ADC: from 14.1 through 73.32 and from 13.1 through 63.21; Gateway: from 14.1 through 73.32 and from 13.1 through 63.21.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.3Critical | 4.0 | CVEProject cvelistV5 (CNA) (NetScaler) | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| NetScaler | ADC | 13.1 ≤ v ≤ 63.21 | CVEProject cvelistV5 (CNA) |
| NetScaler | ADC | 14.1 ≤ v ≤ 73.32 | CVEProject cvelistV5 (CNA) |
| NetScaler | Gateway | 13.1 ≤ v ≤ 63.21 | CVEProject cvelistV5 (CNA) |
| NetScaler | Gateway | 14.1 ≤ v ≤ 73.32 | CVEProject cvelistV5 (CNA) |
References and advisories
2
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Details
- Published
- 2026-08-19
- Last updated
- 2026-10-07
- State
- Published
- Assigner (CNA)
- NetScaler
- Kolun priority
- 79 · High
CISA KEV catalog
- Date added
- 2026-09-09
- Due date
- 2026-09-12
- Used in ransomware
- Unknown
Exploit prediction (EPSS)
33.26%
Probability of exploitation in 30 days
98.3%
Percentile (among all CVEs)
- 2026-11-0833.26%
- 2026-11-0332.65%
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- Active
- Technical impact
- Total
Weaknesses (CWE)
- CWE-288Authentication Bypass Using an Alternate Path or Channel