Overly broad permissions can turn one compromised account into a much larger security problem. Learn how to reduce unnecessary access, review privileges, and apply least privilege across modern Linux systems. Review Linux Privileges×
Desktop Security
security advisory vulnerability
security advisory vulnerability GNOME is officially shortening its standard vulnerability disclosure window from 90 days to 30 days, a change that impacts upstream maintainers, downstream Linux distributions, and system administrators in how they handle software vulnerabilities. The policy shift, announced by long-time security coordinator Michael Catanzaro , addresses modern software patching realities and a growing influx of automated submissions. . Because GNOME is the default desktop environment on several major Linux...
Jul 21, 2026
Security Vulnerabilities security advisory moderate
security advisory moderate For organizations that run a self-hosted Git platform, it’s no longer just about hosting static code repositories. Today, Git servers are responsible for deployment pipelines, API tokens, SSH keys, package repositories, and the automation scripts that push code directly. Confirm that the upgrade addresses known vulnerabilities but also provides production environments. . That makes them trusted systems within the development environment and attractive targets for attackers looking to move...
Jul 20, 2026
Server Securitydata privacy automation
data privacy automation Every system admin has lived through the same Monday morning ritual. A queue of forty tickets, half of them password resets, permission errors, or disk space warnings that any experienced technician could resolve in under two minutes. The other half require actual judgment. For years, automation promised that software would eventually sort the two apart on its own. That promise is now being tested in production Linux environments. . Early results are reshaping how IT teams think about tier-1...
Jul 17, 2026
Privacydata collection automation
data collection automation You're running a web scraping project to collect pricing data from e-commerce sites. You set up a pool of datacenter proxies, launch your scripts, and within minutes — banned . CAPTCHAs everywhere. Your data pipeline stops before it really begins. . It's a frustrating scenario that plays out daily in ad verification, market research, and multi-account management. The website doesn't know you're doing legitimate research or monitoring. It just sees traffic coming from IP ranges it recognizes as...
Jul 17, 2026
Security Trends security advisory social engineering
security advisory social engineering Business Email Compromise used to be a numbers game — mass-blasted emails, broken English, an obvious "URGENT WIRE TRANSFER" subject line. That era is over. Generative AI has turned BEC into a tailored, low-noise operation that mimics writing style, voice, and even video presence. This piece looks at what's actually changed under the hood, what defenders are testing in response, and why so many organizations are still structurally unprepared for it. . The Infrastructure Problem Nobody Wants to...
Jul 17, 2026
Refine news
X Clear Filters
Get the latest News and Insights
Get the latest Linux and open source security news straight to your inbox.
Community Poll
Should Linux servers automatically install security updates?
Trending News
Loading...
Explore Latest Linux Security news
We found 5 articles for you...
210
security advisoryauthentication bypassinfrastructure securityFortinet FortiSandbox Critical Command Execution Risk Exploit 2026-39813
Fortinet has confirmed active exploitation of three FortiSandbox vulnerabilities . One allows attackers to bypass login controls, while the other two enable command execution directly on the appliance. Combined, they create a path from unauthenticated access to direct interaction with a system many organizations trust to analyze suspicious content. . In many environments, FortiSandbox sits between incoming content and the systems responsible for making security decisions about it. Before a user opens a file or a detection reaches an analyst, there is often another layer examining that content first. When attackers compromise this infrastructure, they aren't just accessing another appliance; they are gaining influence over the systems responsible for threat detection and response. Attackers Are Targeting the Infrastructure Behind Threat Detection FortiSandbox isn't a standard portal or employee-facing application. It’s built to inspect files, URLs, and attachments that have already raised suspicion elsewhere. The verdict generated by a sandbox rarely stays local; analysis results are forwarded to email security platforms, SIEMs, threat intelligence feeds, and automated response workflows. FortiSandbox sits at this junction, meaning one analysis engine influences multiple systems simultaneously. A compromise changes the math entirely. Attackers aren't just hitting one appliance; they’re gaining influence over the infrastructure that determines what gets flagged, blocked, or ignored. This is an infrastructure security issue—the target is the technology supporting malware analysis, threat detection, and broader security operations. Active Exploitation of FortiSandbox Vulnerabilities Impacts Security Operations Attackers are actively weaponizing three specific FortiSandbox vulnerabilities: CVE-2026-39813 : An authentication bypass via the platform's API. CVE-2026-39808 & CVE-2026-25089 : Command injection flaws allowing unauthenticated code execution. Thesevulnerabilities are being exploited shortly after disclosure. For a security operations center, this is critical because these platforms are foundational to threat detection and response workflows. When the tools designed to identify threats become targets, the integrity of the data supporting your security decisions is compromised. How the FortiSandbox Vulnerabilities Work The vulnerabilities affect different components of the platform, but the outcome is the same: attackers gain access to systems designed to analyze suspicious content. Attackers Can Bypass Login Controls One vulnerability affects the platform's API, allowing attackers to bypass authentication. Crafted requests grant access to administrative functions that should remain restricted, removing the boundary that separates a trusted administrator from an external threat. Command Injection Creates a Direct Path Into the Underlying System The more serious flaws allow for direct command execution on the appliance. For a Linux-based appliance, command execution is an infrastructure security failure. Once attackers run commands on the host, they can modify configurations, access stored data, or use the appliance as a foothold for further network movement. Remote Command Execution Can Affect Multiple Environments These flaws affect FortiSandbox deployments across on-premises, cloud, and platform-based environments. The long-term risk isn't just the device itself, but the potential to corrupt the malware analysis results being fed into the rest of your environment. How Compromised Malware Analysis Systems Impact Threat Detection and Response A compromised sandbox affects every system consuming its output. Modern security operations teams process more alerts than an analyst can review manually, relying heavily on automated systems to classify threats. Malware Analysis Systems Often Sit at the Center of Threat Detection and Response Malware analysis infrastructure is a core component of threat detection and responseprograms. A sandbox detonate files, observes behavior, and issues a verdict. If the platform issuing that verdict is compromised, the data shared with SIEMs, SOAR tools, and incident response workflows can no longer be trusted. Compromised Malware Analysis Systems Create Dangerous Detection Blind Spots The risk is often uncertainty rather than a loud system failure. Automated workflows continue to run and analysts continue to investigate, but the platform producing the decisions is compromised. Effective advanced threat detection depends on reliable analysis. When attackers gain access to the systems producing that analysis, they create blind spots exactly where defenders need visibility most. Malware Analysis Platform Risks for Linux and Cloud Infrastructure For Linux and cloud teams, this is an infrastructure security issue, not an endpoint problem. FortiSandbox Runs on Linux-Based Infrastructure FortiSandbox uses a hardened Linux-based operating system. Because the vulnerabilities allow command execution, the underlying platform is directly in scope. Once an attacker runs commands on a trusted security appliance, they are no longer attacking from the outside; they have established a foothold inside the infrastructure responsible for protecting the environment. Enterprise Cloud Infrastructure Security Often Depends on These Platforms Organizations run Linux workloads across cloud, Kubernetes, and hybrid environments. These platforms rely on automated malware analysis to inspect content before it hits production. Compromising a sandbox is more valuable than targeting individual workloads, as the sandbox sits upstream, making the calls on what the cloud environment should trust. How Organizations Should Protect Threat Detection and Response Systems Patching is step one. If you suspect your environment has been exposed, assume a breach. Identify and Patch: Locate all FortiSandbox deployments and apply updates immediately. Audit Logs: Review administrative activity andsystem logs for unexpected access or command execution. Validate Integrity: Audit the information flowing out of the platform. If compromise is suspected, verify that analysis results and automated actions are not being manipulated. Assess Downstream Impact: Once a system supporting threat detection and response is compromised, your investigation must extend into the broader security operations ecosystem connected to it. FAQ What is FortiSandbox used for? FortiSandbox is a malware analysis platform. It inspects suspicious files, URLs, and attachments in an isolated environment to identify malicious behavior before the content hits production systems. How can FortiSandbox vulnerabilities affect threat detection? FortiSandbox sits upstream of multiple security tools. A compromise allows attackers to interfere with the intelligence used to support threat detection and response decisions throughout the environment. Why do security operations centers rely on malware analysis platforms? A modern security operations center manages too many alerts for manual review. These platforms automate the classification of threats and enrich alerts, providing the data necessary for incident response. How do compromised security tools impact threat detection and response? Because analysis engines are integrated with monitoring and automation tools, a compromise poisons the entire threat detection pipeline, resulting in unreliable data and widespread blind spots. Why is infrastructure security becoming a larger target for attackers? Security platforms have broad visibility and influence. Attackers target trusted components of the infrastructure security stack to gain a force multiplier, influencing how threats are handled across the entire network. Want more Linux security news, malware research, and threat detection analysis? Subscribe to the LinuxSecurity Newsletter and get the latest vulnerabilities, attack techniques, security advisories, and expert insights delivered directly to yourinbox. Related Reading Proxies & Open Source Tools for Enhanced Threat Intelligence Innovations In Sandboxing Methods For Enhanced Malware Defense Rising Malware Threats to Linux: Risks and Security Strategies . Three critical FortiSandbox vulnerabilities allow attackers to bypass authentication and execute commands, risking security systems.. FortiSandbox vulnerabilities, command injection FortiSandbox, infrastructure security issues, malware analysis risks, authentication bypass threats. . MaK Ulac
Jun 18, 2026
•
Security Vulnerabilities
210
security advisoryauthentication bypasscommand injectionCacti And Realtek Critical Exploits: MooBot And ShellBot Attacks
Critical security flaws in Cacti, Realtek, and IBM Aspera Faspex are being exploited by various threat actors in hacks targeting unpatched systems. . This entails the abuse of CVE-2022-46169 (CVSS score: 9.8) and CVE-2021-35394 (CVSS score: 9.8) to deliver MooBot and ShellBot (aka PerlBot), Fortinet FortiGuard Labs said in a report published this week. CVE-2022-46169 relates to a critical authentication bypass and command injection flaw in Cacti servers that allows an unauthenticated user to execute arbitrary code. CVE-2021-35394 also concerns an arbitrary command injection vulnerability impacting the Realtek Jungle SDK that was patched in 2021. While the latter has been previously exploited to distribute botnets like Mirai, Gafgyt, Mozi, and RedGoBot, the development marks the first time it has been utilized to deploy MooBot, a Mirai variant known to be active since 2019. The link for this article located at The Hacker News is no longer available. . Significant vulnerabilities in Cacti, Realtek devices, and IBM Faspex have been widely exploited. Ensure you’re safeguarded against these persistent dangers.. Cacti Vulnerabilities, Realtek Flaws, Command Injection, Authentication Bypass, IBM Aspera Security. . Brittany Day
Apr 02, 2023
•
Security Vulnerabilities
210
security advisorylocal privilege escalationroot accessLinux Distributions: Security Advisory CVE-2021-3560 Critical Polkit Bypass
Unprivileged attackers can get a root shell by exploiting an authentication bypass vulnerability in the polkit auth system service installed by default on many modern Linux distributions. This polkit local privilege escalation bug (tracked as CVE-2021-3560 ) was publicly disclosed, and a fix was released on June 3, 2021. . It was introduced seven years ago in version 0.113 and was only recently discovered by GitHub Security Lab security researcher Kevin Backhouse . Even though many Linux distributions haven't shipped with the vulnerable polkit version until recently, any Linux system shipping with polkit 0.113 or later installed is exposed to attacks. . Non-privileged adversaries can take advantage of a polkit vulnerability to attain root privileges across various Linux distributions. Learn more about the solutions available.. polkit exploit, linux privilege escalation, unprivileged access. . Brittany Day
Jun 11, 2021
•
Security Vulnerabilities
78
security advisoryauthentication bypasslibsshLibssh: Major Advisory on Authentication Bypass for Key Products
Products from major vendors such as F5 and Red Hat are affected by a major vulnerability that came to light this week and which resides in the libssh library.. The vulnerability, which is tracked in infosec circles as CVE-2018-10933, is an authentication bypass in the libssh code that handles server-side login procedures. The link for this article located at ZDNet is no longer available. . A significant vulnerability in libssh allows for authentication circumvention, affecting numerous vendor solutions.. libssh Security, Authentication Bypass, Vendor Impact, Software Flaw, Security Alert. . LinuxSecurity.com Team
Oct 21, 2018
•
Vendors/Products
77
security advisoryremote accessauthentication bypassLibSSH Critical Advisory: Bypass Password Protection for Server Access
A four-year-old severe vulnerability has been discovered in the Secure Shell (SSH) implementation library known as Libssh that could allow anyone to completely bypass authentication and gain unfettered administrative control over a vulnerable server without requiring a password.. The security vulnerability, tracked as CVE-2018-10933, is an authentication-bypass issue that was introduced in Libssh version 0.6 released earlier 2014, leaving thousands of enterprise servers open to hackers for the last four years. The link for this article located at The Hacker News is no longer available. . A critical vulnerability in OpenSSH allows cybercriminals to gain full access to systems, circumventing all security measures.. LibSSH, Authentication Bypass, Remote Exploitation. . LinuxSecurity.com Team
Oct 17, 2018
•
Server Security
74
security advisoryremote code executionsecurity riskRCE Vulnerability in GPON Routers: Authentication Bypass Discovered
Security threats abound on the internet, which is why ethical hackers and security researchers spend much of their time in search of these issues. As part of the work that they do to keep the internet safe, researchers at vpnMentor announced that they have found an RCE vulnerability in the majority of gigabit-capable passive optical network (GPON) home routers.. With more than 1 million people using the GPON fiber-optics system, the network is pretty popular. Because so many routers today use GPON internet, the researchers conducted a comprehensive assessment on a number of the home routers and found a way to bypass all authentication on the devices, which is the first vulnerability (CVE-2018-10561). The link for this article located at InfoSecurity is no longer available. . With more than 1 million people using the GPON fiber-optics system, the network is pretty popular. B. security, threats, abound, internet, which, ethical, hackers, researchers, spend. . Brittany Day
May 04, 2018
•
Network Security
74
security advisorycritical flawauthentication bypassNTP Authentication Bypass Threat: Critical Flaws Impact Network Security
Network admins take note: A set of vulnerabilities can bypass HTPPS with ease and result in spying, outages and authentication bypass. . Discovered on Wednesday by Cisco's security intelligence and research group Talos, the critical bugs are found within the Network Time Protocol (NTP), designed to synchronize the clocks of computers over a network. Developed before 1985, the protocol is one of the oldest still in use. In a blog post documenting the find, Talos said a logic error within the Network Time Protocol daemon (NTPD), the operating system behind the protocol, could allow attackers to bypass authentication procedures and effectively grant them the keys to a network kingdom. . Discovered on Wednesday by Cisco's security intelligence and research group Talos, the critical bugs. network, admins, vulnerabilities, bypass, htpps, spying. . Dave Wreski
Mar 14, 2017
•
Network Security
83
security advisorysoftware updateMySQLMySQL: 5.1.63, 5.5.25 Critical Authentication Bypass Threat
Security researchers have released details about a vulnerability in the MySQL server that could allow potential attackers to access MySQL databases without inputting proper authentication credentials. . The vulnerability is identified as CVE-2012-2122 and was addressed in MySQL 5.1.63 and 5.5.25 in May. However, many server administrators might not be aware of its impact, because the changelog for those versions contained very little information about the security bug. The link for this article located at Computer World is no longer available. . The vulnerability is identified as CVE-2012-2122 and was addressed in MySQL 5.1.63 and 5.5.25 in May. security, researchers, released, details, about, vulnerability, mysql, server. . LinuxSecurity.com Team
Jun 12, 2012
•
Hacks/Cracks
Get the latest News and Insights
Get the latest Linux and open source security news straight to your inbox.
Community Poll
Should Linux servers automatically install security updates?
Trending News
Search Topics
Powered By
Linux Security - Your source for Top Linux News, Advisories, HOWTOs and Feature Releases
QUICK LINKS
subscribe to newsletters!
Like staying secure? So do we.
Sign up for updates, tips, and alerts!