Original post on securityaffairs.com

Urgent Alert: NetScaler bug CVE-2026-3055 probed by attackers could leak sensitive data Attackers are actively probing a critical Citrix NetScaler flaw (CVE-2026-3055) that can leak sensitive data ...

#Breaking #News #Hacking #Security #Citrix #Citrix […]

[Original post on securityaffairs.com]

"Predictably, they decided to implement a super-complex XML parser [...] It will also accept the same parameter via query string in a GET request, except in that case the base64-encoded XML document is additionally compressed."

#Citrix should do CTF challenges instead of
1/2

Critical vulnerabilities in Citrix NetScaler ADC and Gateway could expose sensitive data. Immediate updates are essential to safeguard your network. #CyberSecurity #Citrix #NetScaler #DataProtection Link: thedailytechfeed.com/critical-vul...

Citrix NetScaler Under Active Recon for CVE-2026-3055 (CVSS 9.3) Memory Overread Bug A recently disclosed critical security flaw impacting Citrix NetScaler ADC and NetScaler Gateway is witnessing active reconnaissance activity, according to Defused Cyber and watchTowr. The vulnerability, CVE-2026-3055 (CVSS score: 9.3), refers to a case of insufficient input validation leading to memory overread, which an attacker could exploit to leak potentially sensitive information. Per

iT4iNT SERVER Citrix NetScaler Under Active Recon for CVE-2026-3055 (CVSS 9.3) Memory Overread Bug VDS VPS Cloud #CyberSecurity #Citrix #CVE2026 #Vulnerability #DataLeak

Citrix urges admins to patch NetScaler flaws as soon as possible Citrix has patched two NetScaler ADC and NetScaler Gateway vulnerabilities, one of which is very similar to the CitrixBleed and CitrixBleed2 flaws exploited in zero-day attacks in recent years.

#Citrix urges admins to patch #NetScaler flaws as soon as possible

www.bleepingcomputer.com/news/security/citrix-urg...

#cybersecurity

CVE-2026-3055 : appliquez ce patch Citrix avant qu'il ne soit trop tard Une nouvelle alerte de sécurité pour les solutions Citrix NetScaler après la découverte de 2 failles, dont l'une particulièrement inquiétante : CVE-2026-3055.

🚨 Une nouvelle alerte pour Citrix NetScaler

Après la découverte de deux failles de sécurité, dont l'une rappelle les vulnérabilités #CitrixBleed et CitrixBleed2 qui ont fait beaucoup de dégâts depuis 2023.

www.it-connect.fr/cve-2026-305...

#Citrix #NetScaler #infosec #zeroday #patch

Version 1.0: Citrix NetScaler ADC und Gateway - Schwachstellen gefährden Organisationen Am 23. März 2026 veröffentlichte der Hersteller Citrix ein Advisory zu zwei schwerwiegenden Schwachstellen in Citrix NetScaler ADC (ehemals Citrix ADC) und NetScaler Gateway (ehemals Citrix Gateway). Die im Advisory enthaltene Sicherheitslücke mit der Kennung CVE-2026-3055 wurde nach dem Common V...

⚠️📢 Sicherheitswarnung: Kritische Schwachstellen in #Citrix NetScaler
Am 23. März 2026 veröffentlichte der Hersteller Citrix ein Advisory zu zwei schwerwiegenden Schwachstellen in Citrix NetScaler ADC (ehemals Citrix ADC) und NetScaler Gateway. Mehr dazu: 👉️ https://www.bsi.bund.de/dok/1195484

📚 Advance Your IT Career with Citrix CCA-V Certification

Success begins with the right preparation strategy.

Using a Citrix CCA-V Practice Exam helps you:
✔ Reduce exam anxiety
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🔗 More: www.vmexam.com/blog/prepara...

#Citrix #CCAV #Virtualization

Citrix NetScaler ADC & Gateway Flaws

~Ncsc~
Update Citrix NetScaler ADC & Gateway immediately to mitigate two flaws (CVE-2026-3055, CVE-2026-4368) causing memory overread and session mixups.
-
IOCs: CVE-2026-3055, CVE-2026-4368
-
#Citrix #NetScaler #ThreatIntel

Urgent: Citrix urges immediate patching of critical NetScaler vulnerabilities amid active exploitation. Protect your systems now! #CyberSecurity #Citrix #NetScaler #VulnerabilityManagement Link: thedailytechfeed.com/citrix-urges...

Citrix Scrambles to Patch Critical Citrix releases urgent patches for CVE-2026-3055, a critical 9.3 CVSS vulnerability in NetScaler ADC and Gateway that could lead to sensitive data exposure. Learn about the affected versions and mitigation steps.

⚠️ Critical Citrix NetScaler flaw CVE-2026-3055 (CVSS 9.3) allows data theft, drawing comparisons to CitrixBleed. Unauthenticated attackers can read sensitive memory. Patch immediately! #Citrix #NetScaler #CyberSecurity #CVE

Citrix Warns of NetScaler Data Leak Flaw
Read More: buff.ly/rDPEmeD

#Citrix #NetScaler #ADCsecurity #GatewaySecurity #DataLeak #CriticalVulnerability #PatchNow #EnterpriseSecurity

Citrix Urges Patching Critical NetScaler Flaw Allowing Unauthenticated Data Leaks Citrix fixes CVE-2026-3055 memory flaw in NetScaler, enabling data leaks in SAML setups, raising risk of imminent exploitation.

#Citrix Urges Patching Critical NetScaler Vulnerabilities CVE-2026-3055 & CVE-2026-4368 Allowing Unauthenticated Data Leaks. This looks like another incarnation of #CitrixBleed!

Defenders need to act quickly. Patch Now!
👇

Citrix NetScaler & ADC Flaws

~Certeu~
Citrix patched critical flaws in NetScaler ADC & Gateway allowing info disclosure and session mix-up.
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IOCs: CVE-2026-3055, CVE-2026-4368
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#Citrix #ThreatIntel #Vulnerability

CVE-2026-3055: Citrix NetScaler ADC and NetScaler Gateway Out-of-Bounds Read On March 23, 2026, Citrix published a security advisory for a critical vulnerability affecting their NetScaler ADC and NetScaler Gateway products. Read more in Rapid7's latest Emergent Threat Response...

🚨 On March 23, 2026, #Citrix published a security advisory for a critical vuln. affecting their NetScaler ADC & Gateway products.

CVE-2026-3055, an out-of-bounds read, allows unauthenticated remote attackers to leak information from the appliance's memory. Read on: r-7.co/41nwCJ7

Citrix License Activation Service (LAS): Goodbye License Files – Deyda.net Citrix License Activation Service (LAS): Goodbye License Files Citrix Deyda.net

Many @citrix.bsky.social admins see “Blue” after LAS registration and think:
“Done.”
Nope. 😅

Blue ≠ Activated.

A practical guide to migrating CVAD, WEM & NetScaler to LAS before the April 2026 license cutoff 👇

shorturl.at/2Nvs8

#citrix #las #netscaler #15april

Are you consistently spending hours on #Citrix desktop image updates? The amazing end-user experience sometimes covers up how much work is required by admins to manage them.

A dynamic, app-centric strategy can solve that! Explore how with
@rorymon.com's blog: www.numecent.com/2026/03/16/o...

www.sunoltech.com/netscaler-sdx/
Citrix NetScaler SDX appliance
#Citrix #CitrixNetScaler #NetScaler
#NetScalerSDX #ApplicationDeliveryController
#ADC #LoadBalancing #NetworkInfrastructure
#DataCenter #CloudNetworking #NetworkSecurity
#TrafficManagement #EnterpriseIT
#ITInfrastructure

Xen Project extends five-year support window for all releases Xen Project extends support to five years for every release, strengthening Citrix's XenServer 9 comeback bid in the virtualization market.

Xen Project extends five-year support window for all releases

#Virtualization #OpenSource #Citrix #Technology #AusNews

thedailyperspective.org/article/2026-03-10-xen-p...

🚀Microsoft is entering a new phase for #MicrosoftTeams in virtualized environments. The legacy #WebRTC-based #VDI optimization is being retired in favor of a modern architecture built on the same media engine as the native Teams client. #Citrix #AVD #Windows365
bit.ly/4rQUd0k

Evaluating the visual quality and colour differences of fullscreen H.265 Video compression with YUV 4:2:0 and YUV 4:4:4 in Citrix HDX | GO-EUC Research is creating new knowledge

This month's research is a deep dive into visual quality and colour differences of fullscreen H.265 Video compression with YUV 4:2:0 and YUV 4:4:4 in #Citrix #HDX by Eltjo van Gulik

www.go-euc.com/evaluating-t...

GripMatix At GripMatix, we believe in no-nonsense tooling to help IT departments leveraging the quality of their infrastructure. We think that quality tooling doesnt need too much explanation. What you see is what you get.

The latest update for #GripMatix includes "Notes from the Field: XenServer falling back to file-based licensing when using LAS" and "Notes from the Field: Ivanti Workspace Control blocking user logoff on #Windows Server 2025".

#monitoring #SCOM #SysCtr #Citrix https://opsmtrs.com/3z4TsF2

Workaround after Remote Assistance Error – Deyda.net Workaround after Remote Assistance Error Citrix Deyda.net

⚠️ January 2026 @Windows updates break Remote Assistance (msra.exe) and @Citrix Director Shadowing with it.

Invites are created, downloaded… and instantly fail.
There’s an unsupported workaround, but it reintroduces the security risk.

bit.ly/4aCToBd

#Windows #Citrix

📰 Gelombang Pemindaian Citrix NetScaler Manfaatkan Ribuan Proxy Residensial

👉 Baca artikel lengkap di sini: ahmandonk.com/2026/02/05/pemindaian-ci...

#citrix #netscaler #infrastruktur #jaringan #keamanan #siber #proxy #residensial #reconnaissance

Wave of Citrix NetScaler scans use thousands of residential proxies A coordinated reconnaissance campaign targeting Citrix NetScaler infrastructure over the past week used tens of thousands of residential proxies to discover login panels.

Wave of #Citrix #NetScaler scans use thousands of residential proxies

www.bleepingcomputer.com/news/security/wave-of-ci...

#cybersecurity #proxy

⚠️ Comcast agrees $117.5M settlement over data breach

#Comcast reached a $117.5 million agreement to settle class-action lawsuits from its October 2023 data breach tied to a #Citrix vulnerability, compensating over 30 million affected customers for compromised personal data.

#ransomNews #databreach

Seguimos añadiendo artículos de interés www.ctxdom.com #Citrix #Virtualization #Cloud #Microsoft

GripMatix At GripMatix, we believe in no-nonsense tooling to help IT departments leveraging the quality of their infrastructure. We think that quality tooling doesnt need too much explanation. What you see is what you get.

The latest update for #GripMatix includes "Notes from the Field: Ivanti Workspace Control blocking user logoff on #Windows Server 2025" and "Notes from the Field: Migrating from VMware to XenServer".

#monitoring #SCOM #SysCtr #Citrix https://opsmtrs.com/3z4TsF2

'Thuiswerksoftware van de overheid zo lek als een mandje;
heeft de Nederlandse overheid haar digitale beveiliging überhaupt wel op orde?

𝐀𝐫𝐠𝐨𝐬, 𝟏𝟒.𝟎𝟎𝐮, 𝐍𝐏𝐎 𝐑𝐚𝐝𝐢𝐨 𝟏 (www.nporadio1.nl)

𝐸𝑒𝑛 𝑣𝑎𝑛 𝑑𝑒 𝑏𝑒𝑠𝑡𝑒 𝑗𝑜𝑢𝑟𝑛𝑎𝑙𝑖𝑠𝑡𝑖𝑒𝑘𝑒 𝑜𝑛𝑑𝑒𝑟𝑧𝑜𝑒𝑘𝑠𝑝𝑟𝑜𝑔𝑟𝑎𝑚𝑚𝑎'𝑠; 𝑎𝑎𝑛𝑏𝑒𝑣𝑜𝑙𝑒𝑛

#Citrix

argos.vpro.nl/artikelen/th...

ctxdom Videos de la mayor comunidad de Citrix en Español, Online desde 2005, correspondiente al portal www.ctxdom.com, todo referente a Virtualización y Cloud, antes con el nombre de "tu comunidad 100% Citri...

Reactivando mi primer Canal de Youtube dedicado a @citrix y Virtualización, de momento hay videos muy viejos que a muchos os ará ilusión revivirlos como el primer #Citrix #GeekSpek #Local que se realizó en el 2009 - youtube.com/@ctxdom?sub_confirmation=1 , evidentemente iré añadiendo contenido