CVE-2026-3055

Known Exploited Vulnerability Entry External Catalog

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Entry Details

CVE-2026-3055

Confirmed

Yes

2026-03-30 00:00 UTC

Timestamps

2026-03-30

2026-03-30

Scope

KEV entry: Citrix NetScaler Out-of-Bounds Read Vulnerability | Affected: Citrix / NetScaler | Description: Citrix NetScaler ADC (formerly Citrix ADC), NetScaler Gateway (formerly Citrix Gateway) and NetScaler ADC FIPS and NDcPP contain an out-of-bounds reads vulnerability when configured as a SAML IDP leading to memory overread. | Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. | Due date: 2026-04-02 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696300&articleURL=NetScaler_ADC_and_NetScaler_Gateway_Security_Bulletin_for_CVE_2026_3055_and_CVE_2026_4368 ; https://nvd.nist.gov/vuln/detail/CVE-2026-3055

References
  • {'id': 'CVE-2026-3055', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2026-3055'}

9aca8abc-a120-4761-a084-9b0e4beff4bf

405284c2-e461-4670-8979-7fd2c9755a60

2026-03-30 20:00 UTC

2026-03-30 20:00 UTC

Evidence (1)
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-125"
  ],
  "date_added": "2026-03-30",
  "due_date": "2026-04-02",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "NetScaler",
  "vendorProject": "Citrix",
  "vulnerabilityName": "Citrix NetScaler Out-of-Bounds Read Vulnerability"
}
 -
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