Latest cybersecurity reporting from selected sources.

Attackers wasted little time targeting the latest memory disclosure flaw in Citrix's NetScaler products, after researchers published a proof-of-concept exploit (PoC).

Researchers say attackers are already looting vulnerable boxes In-the-wild exploitation of a critical Citrix NetScaler bug has begun less than a week after disclosure, with researchers warning that attackers are already poking and pillaging vulnerable boxes.…

Researchers from watchTowr and Defused have found evidence that attackers are actively exploiting CVE-2026-3055, a critical NetScaler vulnerability

HexStrike-AI Connects LLMs to Over 150 Existing Security ToolsA red-team framework released for penetration testing has become a weapon in the wild, repurposed by hackers to accelerate exploitation of newly disclosed Citrix vulnerabilities. Check Point Research observed chatter suggesting n-day attacks may unfold in minutes, shrinking defender response time.

Researchers have released proof-of-concept (PoC) exploits for a critical Citrix NetScaler vulnerability, tracked as CVE-2025-5777 and dubbed CitrixBleed2, warning that the flaw is easily exploitable and can successfully steal user session tokens. [...]

NetScaler vendor issued a patch but otherwise, stony silence Multiple exploits are circulating for CVE-2025-5777, a critical bug in Citrix NetScaler ADC and NetScaler Gateway dubbed CitrixBleed 2, and security analysts are warning a "significant portion" of users still haven't patched.…

Vulnerability research company WatchTowr published a detection analysis for the Citrix Blled 2 flaw

Cybersecurity researchers have detailed two now-patched security flaws in SAP Graphical User Interface (GUI) for Windows and Java that, if successfully exploited, could have enabled attackers to access sensitive information under certain conditions

There is some disagreement over whether the remote code execution (RCE) security flaws allow for unauthenticated exploitation or not. Citrix says no, but researchers say the company is downplaying a "good old unauthenticated RCE."

'Once again, we've lost a little more faith in the internet,' researcher says Researchers are publicizing a proof of concept (PoC) exploit for what they're calling an unauthenticated remote code execution (RCE) vulnerability in Citrix's Virtual Apps and Desktops.…

Cybersecurity researchers have disclosed new security flaws impacting Citrix Virtual Apps and Desktop that could be exploited to achieve unauthenticated remote code execution (RCE) The issue, per findings from watchTowr, is rooted in the Session Recording component that allows system administrators to capture user activity, and record keyboard and mouse input, along with a video stream of the

Citrix NetScaler ADC and Gateway Bugs Exploited in the WildIT infrastructure mainstays including Netscaler, Atlassain and VMWare on Tuesday released fixes for vulnerabilities including some allowing malicious takeover of appliances. NetScaler warned customers Tuesday of two zero day vulnerabilities that researchers say are being exploited in the wild.

In the race over Citrix's latest vulnerability, the bad guys have a huge head start, with broad implications for businesses and critical infrastructure providers worldwide.

The latest threat to Citrix NetScaler, CVE-2023-4966, was exploited as a zero-day bug for months before a patch was issued. Researchers expect exploitation efforts to surge.

A critical vulnerability tracked as CVE-2023-4966 in Citrix NetScaler ADC/Gateway devices has been actively exploited as a zero-day since late August, security researchers announced. [...]

Plus: Citrix ASM has some really bad bugs, and more In brief More than half of the 24.6 billion stolen credential pairs available for sale on the dark web were exposed in the past year, the Digital Shadows Research Team has found.…