Mmastodon TechnologyCybersecurity first seen 3 h ago, last 3 h ago, peak #12

New Citrix NetScaler flaw lets attackers crash appliances remotely

Original: Citrix NetScaler has a new unauthenticated flaw (CVE-2026-88779) that lets a stranger crash the appliance. It hits boxes

Citrix NetScaler appliances have a new unauthenticated vulnerability, tracked as CVE-2026-88779, that allows a remote attacker to crash the device. It affects systems configured for SAML single sign-on, a common enterprise gateway setup. No workaround exists, so administrators are urged to update to version 14.1-73.41 immediately. Security professionals are spreading the word to speed up patching.

Why now: Admins are rushing to patch a remotely exploitable denial-of-service bug in widely deployed enterprise gateways with no workaround available.

CitrixNetScalerCVE-2026-88779

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Evidence

• Citrix NetScaler has a new unauthenticated flaw (CVE-2026-88779) that lets a stranger crash the appliance. It hits boxes set up for SAML single sign-on, the usual enterprise gateway config. No workaround. Patch to 14.1-73.41 now. https:// suriq.io/blog/netscaler-cve-20… · suriq@infosec.exchange · 2

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