CVE•Published 2026-08-19•Modified 2026-09-10•4 articles on news•5 live references•NVD data
CVE-2026-19490Citrix · Netscaler_application_delivery_controller
Vulnerability data via NVD (ingested)
CVSS v3.1
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
88
Exploit Prediction Scoring System · top 12% of all CVEs
Weaknesses (CWE)
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.
Timeline
Published 2026-08-19
Modified 2026-09-10
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag543 hosts
vuln:CVE-2026-19490Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Citrix Netscaler Application Delivery Controller"All exposed Citrix Netscaler Application Delivery Controller instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Netscaler Application Delivery Controller"HTTP body or banner mentions "Netscaler Application Delivery Controller" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-19490Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-19490Censys host search filtered to this CVE id.
grep.app
CVE-2026-19490Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-19490GitHub code search for direct mentions.
Google dork
"CVE-2026-19490" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (6)
CVE-2026-194906 repos
nomi-sec/PoC-in-GitHubunknown
📡 PoC auto collect from GitHub. ⚠️ Be careful Malware.
0xMarcio/pocindexPython
Search 82,000+ public CVE proof-of-concept exploits from GitHub, Nuclei, ExploitDB, Metasploit and Vulhub.
TarPeg007/CVE-2026-19490Python
NetScaler ADC/Gateway SAML unsigned-assertion bypass via HTTP-Redirect binding (CTX696939) - root cause analysis + PoC
barmi/cve-patch-auditorGo
Audit CVE impact, patch status, remediation progress, and verification results across systems.
DevGreick/devgreickPython
BishopFox/CVE-2026-8452-checkPython
Safely detect Citrix NetScaler CVE-2026-8452