CVE-2026-3055 - Citrix NetScaler
AI Vulnerability ContextInsufficient input validation in NetScaler ADC and NetScaler Gateway when configured as a SAML IDP leading to memory overread
Overview
A source-backed snapshot of this vulnerability.
CISA KEVyesWhether CISA lists this as exploited.
Techniques0AI attack methods connected to this vulnerability.
Case studies0Examples where this vulnerability is mentioned.
Vulnerability status
How serious this vulnerability is and whether it is known to be exploited.
CISA KEVCRITICAL
- CVE ID
- CVE-2026-3055
- Vendor/project
- Citrix
- Product
- NetScaler
- Vulnerability name
- Citrix NetScaler Out-of-Bounds Read Vulnerability
- Date added
- 2026-03-30
- Due date
- 2026-04-02
- Known ransomware campaign use
- Unknown
- CVSS v3
- 9.8
- CVSS v4
- 9.3
CWE-125
Exploit context
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No description available. The source record only contains identifiers and metadata.
Source evidence
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Original source
Original source links
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NVD CVE pagehttps://nvd.nist.gov/vuln/detail/CVE-2026-3055CVE API docshttps://nvd.nist.gov/developers/vulnerabilitiesData feedshttps://nvd.nist.gov/vuln/data-feedsCataloghttps://www.cisa.gov/known-exploited-vulnerabilities-catalogData repositoryhttps://github.com/cisagov/kev-data50a63c94-1ea7-4568-8c11-eb79e7c5a2b5https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696300134c704f-9b21-4f2e-91b3-4a467353bcc0https://labs.watchtowr.com/please-we-beg-just-one-weekend-free-of-appliances-citrix-netscaler-cve-2026-3055-memory-overread-part-2/134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-3055