Tag: citrix
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CISA KEV Alert: Cisco, Citrix, and Fortinet Vulnerabilities Under Active Exploitation
First seen on resecurity.com Jump to article: www.resecurity.com/blog/article/cisa-kev-alert-cisco-citrix-and-fortinet-vulnerabilities-under-active-exploitation
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U.S. CISA adds Cisco, Google Chromium V8, Fortinet, and Citrix NetScaler flaws to its Known Exploited Vulnerabilities catalog
Tags: authentication, cisa, cisco, citrix, cve, cybersecurity, exploit, flaw, fortinet, google, infrastructure, kev, vulnerabilityU.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Cisco, Google Chromium V8, Fortinet, and Citrix NetScaler flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added the following vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog: CVE-2026-20079 (CVSS score of 10.0) is an authentication bypass issue. The flaw resides in Cisco Secure…
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CISA Flags Exploited Cisco, Citrix, Fortinet Flaws, Sets Sept. 12 Federal Patch Deadline
Tags: authentication, cisa, cisco, citrix, cve, cybersecurity, exploit, flaw, fortinet, infrastructure, kev, update, vulnerabilityThe U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added three flaws, each impacting Cisco, Citrix, and Fortinet, to its Known Exploited Vulnerabilities (KEV) catalog, requiring Federal Civilian Executive Branch (FCEB) agencies to apply the patches by September 12, 2026.The vulnerabilities are listed below – CVE-2026-20079 (CVSS score: 10.0) – An authentication First seen…
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Critical Citrix NetScaler auth bypass now leveraged in attacks
Attackers have begun targeting a critical-severity Citrix NetScaler auth bypass flaw (CVE-2026-19490) in the wild, according to vulnerability intelligence company Previdian. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/hackers-target-critical-citrix-netscaler-auth-bypass-in-attacks/
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U.S. CISA adds Red Hat, Linux Kernel, Ajax.NET Professional, Microsoft SQL Server, and Citrix NetScaler flaws to its Known Exploited Vulnerabilities catalog
Tags: cisa, citrix, cve, cybersecurity, exploit, flaw, infrastructure, kev, linux, microsoft, sql, vulnerabilityU.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Red Hat, Linux Kernel, Ajax.NET Professional, Microsoft SQL Server, and Citrix NetScaler flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added the following vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog: CVE-2015-3246 is a race condition in Red Hat libuser that could let…
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CISA Warns of Actively Exploited Citrix NetScaler ADC and Gateway Vulnerability
Tags: cisa, citrix, cve, cyber, cybersecurity, exploit, infrastructure, kev, mitigation, vulnerabilityThe U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added CVE-2026-8452, a vulnerability affecting Citrix NetScaler ADC and NetScaler Gateway appliances, to its Known Exploited Vulnerabilities (KEV) Catalog after confirming active exploitation. This vulnerability was added on August 26, 2026, and federal civilian agencies are required to apply vendor-recommended mitigations by August 29, 2026. Citrix…
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CISA Warns of Six Exploited Flaws in Microsoft, Linux, Red Hat and Citrix Products
CISA added six new bugs to its Known Exploited Vulnerabilities catalog on August 26, showing signs of active exploitation in the wild First seen on infosecurity-magazine.com Jump to article: www.infosecurity-magazine.com/news/cisa-kev-microsoft-citrix/
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CISA Warns of Six Exploited Flaws in Microsoft, Linux, Red Hat and Citrix Products
CISA added six new bugs to its Known Exploited Vulnerabilities catalog on August 26, showing signs of active exploitation in the wild First seen on infosecurity-magazine.com Jump to article: www.infosecurity-magazine.com/news/cisa-kev-microsoft-citrix/
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Previously patched Citrix NetScaler flaw exploited in the wild (CVE-2026-8452)
CISA added six new vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, including a previously patched Citrix NetScaler ADC and Gateway flaw, tracked as … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/08/27/netscaler-adc-gateway-cve-2026-8452/
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CISA orders feds to patch Citrix NetScaler RCE flaw by Saturday
CISA has ordered U.S. government agencies to patch their Citrix NetScaler appliances against an actively exploited remote code execution vulnerability by Saturday. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/cisa-hackers-now-exploiting-citrix-netscaler-rce-flaw-in-attacks/
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CISA Adds Six Exploited Flaws to KEV, Including NetScaler, Linux, and SQL Server Bugs
Tags: cisa, citrix, cve, cybersecurity, exploit, flaw, infrastructure, kev, linux, remote-code-execution, sql, vulnerabilityThe U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added six flaws to its Known Exploited Vulnerabilities (KEV) catalog, including a high-severity security vulnerability impacting Citrix NetScaler ADC and NetScaler Gateway, citing evidence of active exploitation.The vulnerabilities are listed below – CVE-2019-1068 – A remote code execution vulnerability in First seen on thehackernews.com Jump…
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Citrix urges customers to fix critical NetScaler authentication bypass (CVE-2026-19490)
Citrix has patched two vulnerabilities in NetScaler ADC and NetScaler Gateway, including a critical authentication bypass flaw tracked as CVE-2026-19490, and is urging … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/08/21/citrix-netscaler-gateway-cve-2026-19490/
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Critical NetScaler Flaw Can Bypass Authentication on Certain Gateway and AAA Servers
Citrix has released updates to address two security flaws impacting NetScaler ADC and NetScaler Gateway deployments, including a critical-severity authentication bypass vulnerability.According to the cloud computing and virtualization technology company, the issues affect customer-managed NetScaler ADC and NetScaler Gateway, including certain FIPS and NDcPP builds, as well as SecurAccess First seen on thehackernews.com Jump to…
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Citrix urges admins to patch new NetScaler flaws as soon as possible
Citrix has warned customers to immediately secure their systems against two vulnerabilities affecting NetScaler Gateway secure remote access solutions and NetScaler ADC networking appliances. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/citrix-urges-admins-to-patch-new-netscaler-flaws-as-soon-as-possible/
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Critical Citrix NetScaler Flaw Allows Attackers to Bypass Authentication
Cloud Software Group has issued a critical security bulletin regarding two vulnerabilities that affect customer-managed NetScaler ADC and NetScaler Gateway appliances. Among these, there is an authentication-bypass flaw that could expose remote-access environments to unauthenticated breaches. Citrix NetScaler Flaw The most severe issue, tracked as CVE-2026-19490, has a CVSS v4 base score of 9.3 and…
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Critical Citrix NetScaler Flaw Allows Attackers to Bypass Authentication
Cloud Software Group has issued a critical security bulletin regarding two vulnerabilities that affect customer-managed NetScaler ADC and NetScaler Gateway appliances. Among these, there is an authentication-bypass flaw that could expose remote-access environments to unauthenticated breaches. Citrix NetScaler Flaw The most severe issue, tracked as CVE-2026-19490, has a CVSS v4 base score of 9.3 and…
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Citrix Secure Access Client Flaw Lets Low-Privileged Windows Users Gain SYSTEM Privileges
Cloud Software Group has issued a High-severity security bulletin (CTX696734) disclosing two vulnerabilities in the Citrix Secure Access Client for Windows and the Citrix Endpoint Analysis Client for Windows. The more serious of the two, tracked as CVE-2026-53565, allows a standard, low-privileged user on a local system to escalate privileges and gain full SYSTEM access,…
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âš¡ Weekly Recap: ShareFile Threat, Citrix Bleed 2 Ransomware, AI Coding Attacks, and More
Somewhere right now, a security tool is quietly finding bugs faster than any human can fix them. That’s supposed to be the good news. The catch is that the attackers have the same tools, pointed the other way, and they don’t file tickets.That’s the shape of this week. Trusted code turns on the people who…
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CitrixBleed-ing Again? NetScaler Vulnerability Under Attack
Attackers wasted little time targeting the latest memory disclosure flaw in Citrix’s NetScaler products, after researchers published a proof-of-concept exploit (PoC). First seen on darkreading.com Jump to article: www.darkreading.com/vulnerabilities-threats/citrixbleed-ing-again-netscaler-vulnerability-under-attack
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CitrixBleed Vulnerability Exploitation Within 24 Hours of Disclosure
Citrix NetScaler appliances are currently facing significant threats due to the rapid exploitation of a newly disclosed memory disclosure vulnerability, CVE-2026-8451, which is part of the evolving “CitrixBleed” class. This high-severity flaw (CVSS 8.8), disclosed on June 30, 2026, in Citrix advisory CTX696604, was observed being exploited in the wild within just 24 hours of…
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Ransomware Groups Turn to Citrix Bleed 2, BYOVD, and Supply Chain Credentials
Tags: access, citrix, credentials, exploit, group, monitoring, ransomware, supply-chain, tactics, threat, vulnerabilityThreat actors associated with the Anubis ransomware operation have been observed exploiting the Citrix Bleed 2 (CVE-2025-5777) vulnerability to obtain initial access.”Although tactics differ between affiliates, common patterns emerged in tradecraft through use of legitimate Remote Management and Monitoring (RMM) tooling, credential access, and hands-on-keyboard procedures used for lateral First seen on thehackernews.com Jump to…
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Citrix NetScaler ADC and Gateway Flaws Let Attackers Trigger Memory Overread and DenialService
Citrix has issued a critical security bulletin addressing multiple high-severity vulnerabilities in NetScaler ADC and NetScaler Gateway. These vulnerabilities could allow attackers to trigger memory overreads, arbitrary file access, and denial-of-service (DoS) conditions across affected deployments. The vulnerabilities are tracked as CVE-2026-8451, CVE-2026-8452, CVE-2026-8655, CVE-2026-10816, CVE-2026-10817, and CVE-2026-13474. They impact widely deployed enterprise networking and…
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Citrix Patches Six NetScaler Flaws Allowing File Read and DenialService
Citrix on Tuesday released security updates to address multiple flaws in NetScaler ADC (formerly Citrix ADC) and NetScaler Gateway (formerly Citrix Gateway) that could be exploited by an attacker to facilitate arbitrary file reads or trigger a denial-of-service (DoS) condition.The vulnerabilities are listed below – CVE-2026-8451 (CVSS score: 8.8) – An insufficient input validation First…
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Citrix patches a new NetScaler flaw with echoes of CitrixBleed
The bulletin includes six NetScaler issues, but attention is centered on a high-severity flaw with similarities to earlier actively exploited bugs. First seen on cyberscoop.com Jump to article: cyberscoop.com/citrix-netscaler-flaw-cve-2026-8451-citrixbleed/
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CVE-2026-8451: Citrix NetScaler Vulnerability Leaks Memory
CVE-2026-8451 is a Citrix NetScaler vulnerability that can leak process memory through specially crafted SAML requests. First seen on esecurityplanet.com Jump to article: www.esecurityplanet.com/threats/cve-2026-8451-citrix-netscaler-vulnerability-leaks-memory/
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Cisco FMC Zero-Day Among 31 High-Impact Vulnerabilities Exploited in March
31 high-impact vulnerabilities were actively exploited in March 2026, with a Cisco firewall zero-day abused by the Interlock ransomware group emerging as one of the most dangerous threats to enterprise networks. Affected vendors span core enterprise and developer ecosystems, including Cisco, Microsoft, Google, ConnectWise, Langflow, Citrix, Aquasecurity, Nginx UI, Qualcomm, F5, Craft CMS, Laravel, Apple,…
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Chinesische APT nutzt CitrixDay – Salt Typhoon: Systematischer und verdeckter Angriff
First seen on security-insider.de Jump to article: www.security-insider.de/salt-typhoon-systematischer-und-verdeckter-angriff-a-ce0e527281b7bb9a75b4623a5d628bb0/
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Breach Roundup: Feds Confirm ‘Major’ Hack of FBI System
Also, Lloyds Data Leak, Dutch Treasury Breach, Citrix Bug Exploit, Pay2Key Activity. This week, Lloyds data leak hits 450K, Dutch treasury breach, Citrix flaw exploited, Iran-linked ransomware ops, TrueConf zero-day, Russian fraud ring sentenced, Romania targeted, patch gaps persist, and U.S. hospital breach affects 257K. First seen on govinfosecurity.com Jump to article: www.govinfosecurity.com/breach-roundup-feds-confirm-major-hack-fbi-system-a-31329