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Citrix security patch release for CVE-2026-13474

Security Patch Release
First reported
Last updated
Happening score
H score 35
1 unique sources, 1 articles

Summary

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Citrix released security updates for NetScaler ADC and NetScaler Gateway to fix six vulnerabilities that could enable arbitrary file reads or denial of service across several product branches. The patched releases include 14.1-72.61 and 13.1-63.18, along with related FIPS and NDcPP builds. One issue, CVE-2026-13474, also requires a manual HTTP/2 configuration change on some appliances to fully close the risk. Citrix said there is no evidence of in-the-wild exploitation.

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Cloud Software Group NetScaler urgent remediation advisory

Advisory/Mitigation
H score44 First: 25.03.2026 17:52 Last: 25.03.2026 17:52 Sources 1

About this happening: **Cloud Software Group** issued urgent remediation guidance for **NetScaler ADC** and **NetScaler Gateway**, telling affected customers to install updated versions as soon as poss...

Open Happening

Timeline

  1. 01.07.2026 06:54 2 articles · 2h ago

    Citrix releases NetScaler patches for six vulnerabilities

    Mitigation Patch Update

    Citrix released security updates for NetScaler ADC and NetScaler Gateway to address CVE-2026-8451, CVE-2026-8452, CVE-2026-8655, CVE-2026-10816, CVE-2026-10817, and CVE-2026-13474. Fixed builds include 14.1-72.61 and 13.1-63.18, along with related FIPS and NDcPP releases. For CVE-2026-13474, appliances without HTTP Strict Profiles also need Http2SmallWndTimeout set to 30 seconds after upgrading, and Citrix said there is no evidence of in-the-wild exploitation.

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