Citrix NetScaler Improper Input Validation Vulnerability
CVE-2026-88771 Exploited
Citrix NetScaler ADC and NetScaler Gateway contain an improper input validation vulnerability that could allow an unauthenticated attacker to execute arbitrary commands.
Being exploited in the wild
Catalogued 27 September 2026 · US federal remediation deadline 30 September 2026
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…
Exploit code is also public: Metasploit · Public PoC
- Metasploitexploit/freebsd/http/citrix_netscaler_cve_2026_88771
- Public PoCwatchtowrlabs/watchTowr-vs-Citrix-Netscaler-CVE-2026-8877122 stars
- Public PoCThomasPoppelgaard/netscaler-ctx697096-checker22 stars
- Public PoCtechnion/netscaler_scanner1 stars
- Public PoCcraigsblackie/cve-2026-88771-netscaler1 stars
- Public PoCgrupooruss/netscaler-defensive-checker1 stars
- Public PoCtechupdate24/citrix-netscaler-cve-2026-88771-rce
- Public PoCSwiftSecur/CVE-2026-88771-HuntScript
- Public PoCbkchaudhari/NetScaler-CTX697096-Assessment-Script
Assessment
- CVSS
- Not yet scored
- Severity
- Unscored
- Known exploited
- Yes — listed in the CISA KEV catalog
- Exploit availability
- CISA KEV, Metasploit, Public PoC
- Published
- 27 September 2026
- Last updated
- 27 September 2026
- Affected
- Citrix · NetScaler
- Weakness
- CWE-119
At the source
References
Query this programmatically
Agents can read this through the MCP endpoint, or over HTTP:
curl https://cve.zerocrew.in/api/cve/CVE-2026-88771