# CVE-2026-3055

## Summary

- **CVE ID:** CVE-2026-3055
- **Severity:** CRITICAL
- **CVSS Score:** 9.3 (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)
- **CWE:** CWE-125
- **Published:** Mar 23, 2026
- **Last Modified:** Mar 31, 2026

## Description

Insufficient input validation in NetScaler ADC and NetScaler Gateway when configured as a SAML IDP leading to memory overread

## Affected Products

- NetScaler — ADC (14.1)
- NetScaler — ADC (13.1)
- NetScaler — ADC (13.1 FIPS and NDcPP)
- NetScaler — Gateway (14.1)
- NetScaler — Gateway (13.1)

## References

- [CNA](https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696300)
- [CISA-ADP](https://labs.watchtowr.com/please-we-beg-just-one-weekend-free-of-appliances-citrix-netscaler-cve-2026-3055-memory-overread-part-2/)
- [CISA-ADP](https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-3055)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 87.17%
- **EPSS Percentile:** 99.7

## Known Exploited Vulnerabilities (KEV)

- **Date Added:** Mar 30, 2026
- **Due Date:** Apr 2, 2026

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._