Critical

Citrix Patches Critical Zero Days Under Active Exploitation

Infosecurity Magazine

September 28, 2026 at 8:30 AM

Actively Exploited

Overview

Citrix has acknowledged the exploitation of two serious remote code execution (RCE) vulnerabilities that are currently being targeted by attackers. These zero-day flaws could allow unauthorized access to systems running specific Citrix products, putting sensitive data at risk. Users of Citrix software should act quickly to apply the available patches to protect their systems from potential breaches. The urgency is underscored by the fact that these vulnerabilities are actively being exploited in the wild, making immediate action critical for organizations relying on Citrix solutions. Ensuring systems are updated is essential to mitigate this threat and maintain security.

Key Takeaways

Active Exploitation: This vulnerability is being actively exploited by attackers. Immediate action is recommended.
Affected Systems: Citrix products that are affected by these vulnerabilities include Citrix ADC and Citrix Gateway. Specific versions impacted have not been detailed.
Action Required: Citrix has released patches for the vulnerabilities.
Timeline: Disclosed on October 2023

Original Article Summary

Citrix has confirmed exploitation of two critical zero-day RCE bugs

Impact

Citrix products that are affected by these vulnerabilities include Citrix ADC and Citrix Gateway. Specific versions impacted have not been detailed.

Exploitation Status

This vulnerability is confirmed to be actively exploited by attackers in real-world attacks. Organizations should prioritize patching or implementing workarounds immediately.

Timeline

Disclosed on October 2023

Remediation

Citrix has released patches for the vulnerabilities. Users are advised to update to the latest versions of Citrix ADC and Citrix Gateway to mitigate the risks associated with these flaws.

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to Zero-day, Vulnerability, RCE, and 1 more.

Read Original Article

Related Coverage

Anthropic 'SneakPeek' Flaw Is a Silent Zero-Click Threat

darkreading

A vulnerability has been discovered in the preview pane of Claude Code Desktop, which could allow attackers to steal sensitive credentials from developers without any interaction required. This zero-click flaw poses a significant risk as it can extract SSH private keys, AWS credentials, and Claude OAuth tokens quietly. Developers using this software may unknowingly expose their credentials, leading to potential unauthorized access to their systems and services. This incident raises concerns about the security of development tools and the need for heightened vigilance among users. It's crucial for developers to stay informed about this vulnerability and take necessary precautions to protect their sensitive information.

Oct 14, 2026

FBI raids DPRK IT worker laptop farms in Texas, US nationals arrested

BleepingComputer

The U.S. Department of Justice has taken significant action against the Famous Chollima group, which is linked to North Korean IT workers allegedly engaged in remote schemes. Two individuals were arrested, and 14 others have been charged, with authorities seizing nearly 187 laptops that were reportedly used in these operations. This crackdown is part of broader efforts to combat North Korean cyber activities that threaten U.S. interests and the global cybersecurity landscape. The operation underscores the ongoing challenges posed by state-sponsored cyber activities and the need for vigilance in monitoring such threats. The arrests and seizures may disrupt the group's operations and deter similar activities in the future.

Oct 14, 2026

Ledger asks sellers across Asia to halt sales after supply-chain attack

BleepingComputer

Ledger, a well-known cryptocurrency wallet manufacturer, has initiated a halt on sales of its devices across several Asian countries, including Indonesia, Singapore, Thailand, the Philippines, Vietnam, Malaysia, and Hong Kong. This decision comes amid concerns about potential tampering with the devices in the supply chain. Ledger has reached out to resellers and distributors, urging them to remove affected products from their shelves while the company conducts a thorough investigation. This situation raises significant concerns for users who rely on these wallets for secure cryptocurrency storage, as compromised devices could lead to unauthorized access to their funds. The company’s proactive approach aims to ensure the integrity of its products and protect its customers from possible security risks.

Oct 14, 2026

Cisco patches new Secure Email Gateway zero-day exploited in attacks

BleepingComputer

Cisco has issued a critical patch for a zero-day vulnerability in its Secure Email Gateway (SEG) that has been actively exploited by attackers. This flaw allows remote, unauthenticated users to execute commands with root privileges, posing a significant risk to organizations using the affected software. The vulnerability is particularly concerning as it can lead to unauthorized access and control over email systems, potentially compromising sensitive data. Users of Cisco's SEG are urged to apply the available patches immediately to safeguard their systems against these attacks. The situation emphasizes the need for timely updates and vigilance in protecting email infrastructures from evolving threats.

Oct 14, 2026

U.S. Shuts Down Over 40 Laptop Farms, Charges 14 in North Korean IT Worker Fraud

The Hacker News

The U.S. Department of Justice has charged 14 individuals and seized around 187 computers in a crackdown on a North Korean scheme that involved fraudulent remote IT workers. This operation targeted a conspiracy that impacted over 70 U.S. companies, with the accused facing charges related to wire fraud. The defendants include both U.S. citizens and Chinese nationals, highlighting the international dimension of the fraud. By disrupting this scheme, the U.S. aims to prevent North Korea from generating revenue through illegal means, which could potentially support its nuclear weapons program. This case underscores the ongoing challenges posed by state-sponsored cybercrime and the importance of international cooperation in addressing such threats.

Oct 14, 2026

ICS Patch Tuesday: Siemens Issues 17 Advisories, Rockwell Fixes ArmorBlock Takeover Flaw

SecurityWeek

Siemens released 17 advisories addressing various vulnerabilities in its industrial control systems (ICS) this month. Notably, Rockwell Automation responded by fixing a serious flaw that could allow attackers to take control of its ArmorBlock devices. Additionally, ABB issued a warning concerning a potential probing of a vulnerability in its dynovaPRO product, indicating that attackers may be scanning for weaknesses. These updates are crucial as they aim to protect critical infrastructure from potential exploitation, underscoring the ongoing need for vigilance in the ICS sector.

Oct 14, 2026