CISA has issued a warning about active exploitation of several vulnerabilities in on-premises SharePoint Server instances, specifically CVE-2026-32201, CVE-2026-45659, and CVE-2026-56164. These vulnerabilities allow attackers to execute remote code and potentially steal sensitive data from affected systems. All supported versions of SharePoint Server, including the Subscription Edition, 2019, and 2016, are at risk. Organizations are advised to monitor their SharePoint Servers for unusual activities and to apply the latest patches from Microsoft. Additional vulnerabilities have been identified but are not yet known to be exploited, emphasizing the need for prompt updates and hardening measures to prevent possible breaches.
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has issued a warning about security vulnerabilities in the iCagenda and Balbooa Forms extensions for Joomla. Attackers are exploiting these flaws to execute remote code on affected systems by uploading arbitrary files. This situation poses a significant risk to users of these Joomla extensions, as it could allow unauthorized access and control over their websites. Organizations using these extensions should take immediate action to protect their systems and prevent potential breaches. Ignoring these vulnerabilities could lead to severe consequences, including data theft and website defacement.
Researchers have discovered that attackers are exploiting a serious vulnerability in Langflow, identified as CVE-2026-33017, which has a CVSS score of 9.3. This flaw allows for unauthenticated remote code execution (RCE), making it a prime target for cybercriminals. In recent attacks, these hackers have been using the vulnerability to deploy a Monero cryptocurrency miner on exposed AI application endpoints. Organizations using Langflow need to be particularly vigilant as the vulnerability is actively being exploited. This situation underscores the critical need for timely updates and security measures to protect sensitive systems from unauthorized access.
A newly discovered vulnerability in FFmpeg, dubbed ‘PixelSmash’, could allow attackers to execute remote code via specially crafted video files. This flaw occurs due to a heap buffer overflow that can overwrite a function pointer, potentially giving the attacker control over the affected system. Users of FFmpeg, especially those incorporating it into other applications or services, need to be aware of this risk, as it could lead to serious security breaches. Developers and system administrators are urged to monitor their systems closely and apply any available patches to mitigate the threat. The vulnerability underscores the importance of maintaining up-to-date software in order to protect against exploitation.
A security vulnerability known as the PixelSmash flaw has been discovered in FFmpeg's libavcodec library, which is used by various video players, media servers, and NAS appliances. This weakness allows attackers to craft malicious media files that can execute arbitrary code in any application leveraging this library. As a result, systems using FFmpeg could be compromised simply by processing these specially designed files. This is a significant concern for users and organizations relying on FFmpeg for media handling, as it opens the door for potential remote code execution attacks. Companies should prioritize reviewing their media processing systems and apply necessary updates to mitigate this risk.
A serious vulnerability has been found in Gogs, a widely used open-source Git service that allows users to host their own repositories. This flaw, which has a CVSS score of 9.4, enables any authenticated user to execute arbitrary code, potentially giving them full control over the server. This means that individuals with valid access can exploit this weakness to run malicious commands, posing a significant risk to the integrity and security of the affected systems. Currently, there is no CVE identifier linked to this vulnerability, which may complicate tracking and response efforts. Users of Gogs should be particularly vigilant and consider implementing immediate security measures to mitigate potential exploitation.
CVE-2026-35616: FortiClient EMS Flaw Actively Exploited in Malware Attacks
Security Affairs
Actively Exploited
A recently identified vulnerability in FortiClient Endpoint Management Server (EMS), tracked as CVE-2026-35616, is being actively exploited to deploy information-stealing malware, according to a report from Arctic Wolf. This flaw has a high severity rating of 9.1 and allows attackers to execute remote code without needing authentication, making it particularly dangerous. Organizations using FortiClient EMS should be on high alert as the vulnerability can be exploited through specially crafted requests. The vulnerability was patched in April, but the ongoing exploitation highlights the importance of timely updates and monitoring for suspicious activity. Companies must ensure they have applied the latest patches to protect their systems from these attacks.
A newly discovered zero-day vulnerability in the Gogs self-hosted Git service allows attackers to execute remote code on servers that are exposed to the internet. This flaw poses a significant risk to organizations using Gogs for version control, as malicious actors could potentially gain full control over affected systems. Currently, there are no patches available to fix this issue, leaving users vulnerable until a solution is released. The exploitation of this vulnerability is particularly concerning because it can lead to data breaches or further attacks within an organization's infrastructure. Users and administrators of Gogs should take immediate action to secure their installations and monitor for any unusual activity.
Microsoft has identified a serious vulnerability in SharePoint, labeled CVE-2026-45659, which has a CVSS score of 8.8. This flaw allows attackers to execute remote code with minimal effort, posing a significant risk to organizations using the platform. The vulnerability does not require complicated conditions for exploitation, which increases its potential impact. Microsoft has released security updates to address this issue, and users are strongly advised to apply these patches as soon as possible to protect their systems. Ignoring this vulnerability could lead to unauthorized access and control over affected SharePoint environments.
Microsoft has patched a serious remote code execution vulnerability in SharePoint, identified as CVE-2026-45659. This flaw impacts SharePoint Server Subscription Edition, SharePoint Server 2019, and SharePoint Enterprise Server 2016. The vulnerability arises from the way SharePoint handles untrusted data, allowing an authenticated attacker to execute code on a vulnerable server without requiring any user interaction. The simplicity of the attack makes it particularly concerning, as it poses a risk to organizations using these versions of SharePoint. Companies should prioritize applying the patches to safeguard their systems from potential exploitation.
Drupal has issued urgent security updates to address a serious vulnerability in Drupal Core, identified as CVE-2026-9082. This flaw can allow attackers to execute malicious code remotely, escalate privileges, or disclose sensitive information on PostgreSQL sites. With a CVSS score of 6.5, the vulnerability affects users relying on Drupal's database abstraction API. This issue is particularly concerning for organizations using Drupal for their web applications, as the potential for exploitation could lead to significant data breaches or system compromises. Users are strongly advised to apply the available security updates promptly to mitigate the risk.
NGINX CVE-2026-42945 Exploited in the Wild, Causing Worker Crashes and Possible RCE
The Hacker News
Actively Exploited
A serious vulnerability in NGINX, tracked as CVE-2026-42945, is currently being exploited in the wild, just days after it was disclosed. This flaw is a heap buffer overflow in the ngx_http_rewrite_module, which affects NGINX Plus and NGINX Open versions from 0.6.27 to 1.30.0. The CVSS score of 9.2 indicates a high severity, as it could lead to worker crashes and potentially allow remote code execution (RCE). Organizations using affected versions should prioritize patching their systems to prevent exploitation. Given the active nature of this threat, immediate action is crucial for maintaining security.
Researchers have discovered an 18-year-old vulnerability in the NGINX open-source web server that could allow attackers to launch denial of service (DoS) attacks and, under certain conditions, execute remote code. The flaw was identified using an automated scanning system, raising concerns for users of NGINX, which is widely used for serving web content. Organizations that rely on NGINX should be particularly vigilant, as this vulnerability poses a risk to the stability and security of their web services. Immediate attention to this issue is crucial to prevent exploitation, especially since the vulnerability has been around for nearly two decades. The long lifespan of such a flaw emphasizes the need for regular security audits and updates in software systems.
Researchers have identified multiple vulnerabilities in NGINX Plus and NGINX Open, including a severe flaw that has existed for 18 years. The most critical issue, a heap buffer overflow in the ngx_http_rewrite_module (CVE-2026-42945), could allow attackers to execute arbitrary code remotely without authentication. This vulnerability has a high severity score of 9.2 on the CVSS v4 scale. Organizations using these web servers are at risk, as the flaw could lead to significant security breaches. It is crucial for affected users to address this vulnerability promptly to safeguard their systems.
Microsoft's new agentic security system has identified 16 vulnerabilities in the Windows networking and authentication stack, including four critical remote code execution (RCE) flaws. Among these, CVE-2026-40361 and CVE-2026-40364 are particularly concerning due to their higher likelihood of being exploited by attackers. These vulnerabilities could allow unauthorized users to execute arbitrary code on affected systems, potentially leading to severe security breaches. Organizations using Microsoft Windows should prioritize addressing these vulnerabilities to protect their systems from potential exploitation, especially as the threat landscape evolves. The discovery of these flaws underscores the importance of continuous security assessments in software development and deployment.