search
Citrix NetScaler
Trends
- 1Citrix NetScaler Zero-Days CVE-2026-88771 and CVE-2026-88772 Raise AlarmโผCitrix NetScaler Zero-Days (CVE-2026-88771 and CVE-2026-88772): A Skeleton Key at the Network Edge If your organisation
Security researchers are warning about two zero-day vulnerabilities in Citrix NetScaler, tracked as CVE-2026-88771 and CVE-2026-88772, described as a 'skeleton key' at the network edge. Organisations running internet-facing NetScaler appliances are being urged to assume possible compromise if the devices were exposed in the past month. Administrators are advised to patch immediately and review access logs.
- 2US and Australia warn of new Citrix NetScaler flawโUS, Australia warn of latest Citrix vulnerability after NetScaler advisory
The United States and Australia have issued warnings about a newly disclosed vulnerability affecting Citrix NetScaler, urging organisations to apply the vendor's advisory and patch affected systems promptly. Citrix NetScaler appliances are widely used by businesses and governments for application delivery and secure remote access, making exploited flaws a common target for attackers seeking entry into corporate networks. Security agencies are pressing administrators to review the advisory and update without delay.
- 3Citrix and Fortinet zero-days under active exploitationโRecent news highlights critical cybersecurity threats as Citrix NetScaler (CVE-2026-88772) and FortiMail (CVE-2026-10428
Security researchers warn that newly disclosed zero-day vulnerabilities in Citrix NetScaler (CVE-2026-88772) and FortiMail (CVE-2026-104286) are being actively exploited, with critical infrastructure and government organisations among the targets. Apple has separately patched a CoreGraphics flaw already used in attacks. Administrators are urged to apply patches urgently and review systems for signs of compromise.
- 4New NetScaler Zero-Day Exploited to Disrupt SAML DeploymentsโผNew NetScaler Zero-Day Exploited in Targeted Attacks Can Knock SAML Deployments Offline
Security researchers report a new zero-day vulnerability in Citrix NetScaler appliances that is being exploited in targeted attacks and can take SAML authentication deployments offline. Organizations relying on NetScaler for single sign-on face potential service outages and unauthorized access risks. Administrators are being urged to apply patches and review their appliances for signs of compromise as details of active exploitation emerge.
- 5Citrix Issues Emergency Patches for Exploited NetScaler Zero-DayโCitrix Patches NetScaler Zero-Day Exploited in Attacks Against Specific Organizations Citrix released emergency patches
Citrix has released emergency patches for CVE-2026-88779, a high-severity zero-day vulnerability in NetScaler ADC and Gateway that is being actively exploited in attacks targeting specific organizations. The flaw allows attackers to cause denial-of-service conditions and potentially execute arbitrary code. Security teams are urged to apply the updates immediately and check systems for signs of compromise.
- 6Citrix NetScaler SAML zero-day actively exploited, added to CISA KEVโ๐จ Citrix NetScaler SAML zero-day (CVE-2026-88779, CVSS 8.7) in CISA KEV. Actively exploited. Memory overflow in SAML han
A zero-day vulnerability in Citrix NetScaler, tracked as CVE-2026-88779 with a CVSS score of 8.7, has been added to CISA's Known Exploited Vulnerabilities catalog amid reports of active exploitation. The flaw is a memory overflow in the SAML handler that can crash the appliance, disrupting VPN and SSO services for organizations using SAML SP or IdP configurations. Researchers warn it may bypass the previous patch. Fixed builds are 14.1-73.41 and 13.1-64.28, and administrators are urged to update immediately.
- 7High-severity flaw reported in NetScaler ADC and GatewayโผCVE-2026-88779 (HIGH, CVSS 8.7) impacts NetScaler ADC & Gateway https:// radar.offseq.com/threat/cve-20 26-88779-vulnera
A new vulnerability tracked as CVE-2026-88779 has been disclosed affecting Citrix NetScaler ADC and NetScaler Gateway, with a high severity rating of 8.7 on the CVSS scale. The finding is circulating among cybersecurity professionals, who are monitoring the flaw for details on exploitation and the availability of patches from Citrix.
- 8Citrix NetScaler zero-day memory flaw added to CISA KEVโ๐ค CVE-2026-88779 (CVSS 8.7): memory corruption (CWE-119) in Citrix NetScaler ADC/Gateway, reachable unauthenticated over
A high-severity memory corruption vulnerability, CVE-2026-88779 (CVSS 8.7), in Citrix NetScaler ADC and Gateway can be exploited unauthenticated over the network to cause denial of service. The flaw was attacked as a zero-day and has been added to CISA's Known Exploited Vulnerabilities catalog. Citrix has issued emergency fixes, and security teams are urged to patch immediately.
- 9CISA adds exploited NetScaler flaw CVE-2026-88779 to KEV listโIf you're spending your Sunday night anywhere near a terminal, start with the NetScaler gear. CISA put CVE-2026-88779 on
CISA has added CVE-2026-88779, a vulnerability in Citrix NetScaler appliances, to its Known Exploited Vulnerabilities list after evidence of active exploitation. Federal agencies must apply patches by October 7. Security practitioners are urging admins to prioritise patching internet-facing NetScaler devices immediately, as such appliances have historically been frequent targets for attackers.
- 10Citrix NetScaler and Cisco SD-WAN zero-days under active exploitationโOT Security Weekly DACH โ KW 40/2026: Edge Zero-Days in Remote Access Citrix NetScaler and Cisco SD-WAN Manager zero-day
Security teams in the DACH region are being warned about newly disclosed zero-day vulnerabilities in Citrix NetScaler remote access products and Cisco SD-WAN Manager. Both flaws are reported to be actively exploited in the wild, putting operational technology environments at particular risk through exposed remote access points. Practitioners are urged to patch immediately, hunt for signs of compromise and review edge device exposure this week.
- 11New Citrix NetScaler flaw lets attackers crash appliances remotelyโCitrix 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.
- 12Admins Urged to Check NetScaler Versions Over WeekendโIf you're reading this on your phone while staring at some flickering server rack, stop and check your NetScaler version
Security practitioners are pressing organisations to immediately verify their Citrix NetScaler versions, warning that a known vulnerability demands patching even on a weekend. The message urges admins not to wait until Monday, reflecting ongoing concern in the infosec community about unpatched edge devices being exploited. Administrators are advised to confirm their deployed versions and apply fixes without delay.