Critical flaw in Citrix applications could allow unauthorized access to internal networksCyberScoop·Dec 23, 19:28 UTC · Dec 23, 2019Exploit / PoC in the wildCVE-2019-1978160
Additional Entities Targeted by DarkSide Affiliate, TAG-21; Links to WellMess and Sliver InfrastructureRecorded Future·Jul 15, 00:00 UTC · Jul 15, 2025Ransomware57
Urgent Alert: NetScaler bug CVE-2026-3055 probed by attackers could leak sensitive dataSecurity Affairs·Mar 29, 13:33 UTC · Mar 29, 2026Vulnerability in the wildCVE-2026-3055CVE-2023-496660
GreyNoise tracks massive Citrix Gateway recon using 63K+ residential proxies and AWSSecurity Affairs·Feb 4, 14:49 UTC · Feb 4, 2026Vulnerability30
Hackers Targeted Work-From-Home Technology and Avoided Adobe Products Last YearThe Record·Jan 23, 00:00 UTC · Jan 23, 2023RansomwareCVE-2019-19781CVE-2020-1472CVE-2020-0796+2 CVEs160
Citrix, VMware, and Atlassian Hit with Critical Flaws — Patch ASAP!The Hacker News·Jan 17, 04:23 UTC · Jan 17, 2024Vulnerability in the wildCVE-2023-6548CVE-2023-6549CVE-2023-3519+3 CVEs60
It’s a hot 0-day summer for Apple, Google, and Microsoft security fixesArs Technica · Security·Aug 1, 17:55 UTC · Aug 1, 2023Exploit / PoCCVE-2023-37450CVE-2023-36884CVE-2023-32046+18 CVEs60
Citrix Urges Immediate Patching for Critical NetScaler VulnerabilitiesInfosecurity Magazine·Mar 24, 15:15 UTC · Mar 24, 2026Vulnerability in the wildCVE-2026-3055CVE-2026-436860
Critical Citrix NetScaler Vulnerability Exploited in the WildInfosecurity Magazine·Mar 30, 10:45 UTC · Mar 30, 2026Exploit / PoC in the wildCVE-2026-305560
CLOP Ransomware operators hacked IndiaBulls GroupSecurity Affairs·Jun 23, 09:55 UTC · Jun 23, 2020RansomwareCVE-2019-1978160
25 vulnerabilities exploited by Chinese state-sponsored hackersHelp Net Security·Oct 21, 00:00 UTC · Oct 21, 2020VulnerabilityCVE-2019-11510CVE-2020-5902CVE-2019-19781+22 CVEs60
Thousands of Citrix Servers Exposed to ZeroInfosecurity Magazine·Jul 24, 10:00 UTC · Jul 24, 2023Exploit / PoCCVE-2023-3519CVE-2023-3466CVE-2023-346760
Citrix Patches Six NetScaler Flaws Allowing File Read and Denial-ofThe Hacker News·Jul 2, 15:49 UTC · Jul 2, 2026Vulnerability in the wildCVE-2026-8451CVE-2026-8452CVE-2026-8655+4 CVEs60
Hundreds of Citrix Endpoints Compromised With WebshellsInfosecurity Magazine·Aug 3, 10:00 UTC · Aug 3, 2023Exploit / PoCCVE-2023-3519CVE-2023-3466CVE-2023-346760
Chinese hackers hit Citrix, Cisco vulnerabilities in sweeping campaignCyberScoop·Mar 25, 15:16 UTC · Mar 25, 2020Vulnerability in the wildCVE-2019-1978160
CISA adds Chrome and Citrix NetScaler to its Known Exploited Vulnerabilities catalogSecurity Affairs·Jan 18, 19:07 UTC · Jan 18, 2024Exploit / PoC in the wildCVE-2023-6548CVE-2023-6549CVE-2024-051960
NSA details top 25 flaws exploited by ChinaSecurity Affairs·Oct 20, 19:28 UTC · Oct 20, 2020Exploit / PoCCVE-2019-11510CVE-2020-5902CVE-2019-19781+22 CVEs60
Citrix Urges Patching Critical NetScaler Flaw Allowing Unauthenticated Data LeaksThe Hacker News·Mar 24, 05:59 UTC · Mar 24, 2026Exploit / PoC in the wildCVE-2026-3055CVE-2026-4368CVE-2023-4966+3 CVEs60
CISA Adds Citrix NetScaler CVE-2025-5777 to KEV Catalog as Active Exploits Target EnterprisesThe Hacker News·Jul 18, 04:54 UTC · Jul 18, 2025Exploit / PoC in the wildCVE-2025-5777CVE-2023-4966CVE-2025-6543+1 CVEs60
U.S. CISA adds a flaw in Citrix NetScaler to its Known Exploited Vulnerabilities catalogSecurity Affairs·Mar 31, 09:31 UTC · Mar 31, 2026Exploit / PoC in the wildCVE-2026-3055CVE-2023-4966CVE-2026-436860
Citrix NetScaler critical flaw could leak data, update nowSecurity Affairs·Mar 24, 12:46 UTC · Mar 24, 2026Exploit / PoC in the wildCVE-2026-3055CVE-2023-4966CVE-2026-436860
Citrix to extend Citrix Workspace to Google CloudHelp Net Security·Dec 14, 13:02 UTC · Dec 14, 2023Industry30
Iran-linked APT group Pioneer Kitten sells access to hacked networksSecurity Affairs·Sep 1, 09:22 UTC · Sep 1, 2020Threat actorCVE-2019-11510CVE-2019-19781CVE-2020-5902+2 CVEs60
U.S. CISA adds Citrix NetScaler flaw to its Known Exploited Vulnerabilities catalogSecurity Affairs·Jun 30, 18:51 UTC · Jun 30, 2025Exploit / PoC in the wildCVE-2025-6543CVE-2023-6548CVE-2023-654960
Thousands of Citrix Servers Still Unpatched for Critical VulnerabilitiesThe Hacker News·Dec 30, 05:05 UTC · Dec 30, 2022Vulnerability in the wildCVE-2022-27510CVE-2022-2751860
August 2025 CVE LandscapeRecorded Future·Nov 21, 00:00 UTC · Nov 21, 2025Ransomware in the wildCVE-2025-8088CVE-2025-7775CVE-2025-57819+5 CVEs60
Cruise line operator Carnival Corporation suffers a ransomware attackSecurity Affairs·Aug 18, 08:21 UTC · Aug 18, 2020RansomwareCVE-2019-19781CVE-2020-202160
Attackers are probing Citrix controllers and gateways through recently patched flawsHelp Net Security·Jul 10, 00:00 UTC · Jul 10, 2020Vulnerability in the wildCVE-2020-5902CVE-2019-1978160
Australian ACSC 's report confirms the use of Chinese malware in recent attacksSecurity Affairs·Jun 28, 22:26 UTC · Jun 28, 2020MalwareCVE-2019-18935CVE-2017-9248CVE-2017-11317+3 CVEs47
China-linked APT41 group exploits Citrix, Cisco, Zoho flawsSecurity Affairs·Mar 25, 22:17 UTC · Mar 25, 2020Threat actorCVE-2019-19781CVE-2020-1018950
Hackers already installed web shells on 581 Citrix servers in CVE-2023Security Affairs·Aug 2, 20:50 UTC · Aug 2, 2023Exploit / PoC in the wildCVE-2023-351960
Hackers are scanning the web for vulnerable Citrix systemsSecurity Affairs·Jul 11, 04:48 UTC · Jul 11, 2020VulnerabilityCVE-2019-19781CVE-2020-8195CVE-2020-819635
CitrixBleed 2 Vulnerability ExploitedInfosecurity Magazine·Jun 27, 10:15 UTC · Jun 27, 2025Vulnerability in the wildCVE-2025-5777CVE-2025-5349CVE-2023-4966+1 CVEs60
Check for CitrixBleed 2 exploitation even if you patched quickly! (CVE-2025-5777)Help Net Security·Jul 21, 14:34 UTC · Jul 21, 2025Vulnerability in the wildCVE-2025-577760
Adobe, Microsoft and Citrix vulnerabilities draw warnings from CISAThe Record·Jul 18, 19:46 UTC · Jul 18, 2023Vulnerability in the wildCVE-2023-29298CVE-2023-38203CVE-2023-36884+1 CVEs60
Netscaler vulnerability was exploited as zero-day for nearly two months (CVE-2025-6543)Help Net Security·Aug 29, 09:22 UTC · Aug 29, 2025Exploit / PoC in the wildCVE-2025-6543CVE-2025-577760
CISA tells federal agencies to patch Citrix NetScaler bug by ThursdayThe Record·Mar 31, 13:06 UTC · Mar 31, 2026VulnerabilityCVE-2026-3055CVE-2025-577760
Amazon Uncovers Attacks Exploited Cisco ISE and Citrix NetScaler as ZeroThe Hacker News·Nov 15, 00:00 UTC · Nov 15, 2025Exploit / PoC in the wildCVE-2025-5777CVE-2025-2033760
Week in review: Citrix bug under attack, Windows 7 ransomware risk, ATT&CK for ICSHelp Net Security·Jan 12, 00:00 UTC · Jan 12, 2020Ransomware in the wildCVE-2019-19781CVE-2019-17026CVE-2019-221560
Cyber Group 'Gold Melody' Selling Compromised Access to Ransomware AttackersThe Hacker News·Sep 21, 09:11 UTC · Sep 21, 2023RansomwareCVE-2017-7504CVE-2019-19781CVE-2020-14750+10 CVEs60