Critical Citrix NetScaler Vulnerability Exploited in the Wild
Researchers from watchTowr and Defused have found evidence that attackers are actively exploiting CVE-2026-3055, a critical NetScaler vulnerability
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Research in the context of information security is the systematic investigation into existing or new technologies, techniques, threats, and security measures. This disciplined endeavor aims to establish facts, reach new conclusions, and develop more effective security protocols. In cybersecurity, research often involves analyzing potential vulnerabilities, understanding how cyberattacks are conducted, and devising strategies to combat these attacks.
Information security research can encompass a broad range of activities including the study of encryption methods, intrusion detection systems, secure communication protocols, and data integrity algorithms. Researchers in this field may also explore human factors in security, study the impacts of regulatory frameworks, and assess the security posture of various systems and networks. This continuous cycle of learning and development is essential for staying ahead of evolving cybersecurity challenges.
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Researchers from watchTowr and Defused have found evidence that attackers are actively exploiting CVE-2026-3055, a critical NetScaler vulnerability
As exploitation activity against CVE-2025-55182 ramps up, researchers are finding some proof-of-concept exploits contain bypasses for web application firewall (WAF) rules.
Over 77,000 Internet-exposed IP addresses are vulnerable to the critical React2Shell remote code execution flaw (CVE-2025-55182), with researchers now confirming that attackers have already compromised over 30 organizations across multiple sectors. [...]
Trend™ Research has uncovered an attack campaign exploiting the Cisco SNMP vulnerability CVE-2025-20352, allowing remote code execution and rootkit deployment on unprotected devices, with impacts observed on Cisco 9400, 9300, and legacy 3750G series.
Researchers say exploitation of CVE-2025-10035 requires a private key, and it's unclear how Storm-1175 threat actors pulled this off.
Adobe is warning of a critical vulnerability (CVE-2025-54236) in its Commerce and Magento Open Source platforms that researchers call SessionReaper and describe as one of " the most severe" flaws in the history of the product. [...]
Researchers have released a report detailing how a recent WinRAR path traversal vulnerability tracked as CVE-2025-8088 was exploited in zero-day attacks by the Russian 'RomCom' hacking group to drop different malware payloads. [...]
Researchers are seeing exploitation attempts for the CVE-2025-48927 vulnerability in the TeleMessage SGNL app, which allows retrieving usernames, passwords, and other sensitive data. [...]
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.…
As threat actors continue to hop on the train of exploiting CVE-2025-31324, researchers are recommending that SAP administrators patch as soon as possible so that they don't fall victim next.
Cybersecurity researchers are warning about a new malware called DslogdRAT that's installed following the exploitation of a now-patched security flaw in Ivanti Connect Secure (ICS)
Trend Research discusses the delivery methods, custom payloads, and techniques used by Water Gamayun, the suspected Russian threat actor abusing a zero-day vulnerability in the Microsoft Management Console framework (CVE-2025-26633) to execute malicious code on infected machines.
Trend Research identified Russian threat actor Water Gamayun exploiting CVE-2025-26633, a zero-day vulnerability in the Microsoft Management Console that attackers exploit to execute malicious code and exfiltrate data.
Security researchers at Bishop Fox have published complete exploitation details for the CVE-2024-53704 vulnerability that allows bypassing the authentication mechanism in certain versions of the SonicOS SSLVPN application. [...]
Cybersecurity researchers are warning that a critical zero-day vulnerability impacting Zyxel CPE Series devices is seeing active exploitation attempts in the wild
Multiple China-nexus threat actors have been linked to the zero-day exploitation of three security flaws impacting Ivanti appliances (CVE-2023-46805, CVE-2024-21887, and CVE-2024-21893)
Security researchers are observing exploitation attempts for the CVE-2023-22527 remote code execution flaw vulnerability that affects outdated versions of Atlassian Confluence servers. [...]
Security researchers are detecting hundreds of IP addresses on a daily basis that scan or attempt to exploit Apache RocketMQ services vulnerable to a remote command execution flaw identified as CVE-2023-33246 and CVE-2023-37582. [...]
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.