Description
Insufficient input validation in NetScaler ADC and NetScaler Gateway when configured as a SAML IDP leading to memory overread
Metrics
CVSS 3.1 9.8/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| NetScaler | ADC | >= 14.1, < 66.59; >= 13.1, < 62.23; >= 13.1 FIPS and NDcPP, < 37.262 |
| NetScaler | Gateway | >= 14.1, < 66.59; >= 13.1, < 62.23 |
References
- https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696300Vendor Advisory
- https://labs.watchtowr.com/please-we-beg-just-one-weekend-free-of-appliances-citrix-netscaler-cve-2026-3055-memory-overread-part-2/Exploit, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-3055US Government Resource
Timeline
- Published
- Mar 23, 2026
- Last modified
- Jun 17, 2026
- Added to CISA KEV
- Mar 30, 2026
- NVD status
- Analyzed