AL26-016 - Vulnerability impacting Citrix NetScaler CVE-2026-8451
ID: eff44c16-3b79-5c12-be39-df1bbbc87f41
STIX ID: report--eff44c16-3b79-5c12-be39-df1bbbc87f41
Feed Name: Canadian Centre for Cyber Security Alerts and Advisories
Threat Score
The Canadian Centre for Cyber Security warns of CVE-2026-8451, an insufficient input validation vulnerability in Citrix NetScaler ADC/Gateway (including FIPS) when used as a SAML Identity Provider that can result in memory overread; the alert lists affected and fixed product versions, recommends immediate updates to specific patched releases, and urges following Citrix guidance and general hardening/patching measures.
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