Urgent Alert: NetScaler bug CVE-2026-3055 probed by attackers could leak sensitive data
ID: 09aa5e57-e087-526c-bbbb-54f08bd1b064
STIX ID: report--09aa5e57-e087-526c-bbbb-54f08bd1b064
Feed Name: Security Affairs
Threat Score
Urgent alert: a critical Citrix NetScaler vulnerability (CVE-2026-3055, CVSS 9.3) can cause an unauthenticated memory overread and leak sensitive data on appliances configured as SAML IDP; attackers are actively probing devices and organizations should patch immediately even though no public exploit has been observed yet.
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