LinuxSecurity.com

Some of the software the world depends on most is maintained by people most users will never know by name. The project might be sitting inside Linux distributions, enterprise software, cloud platforms, and government systems without most users ever realizing it is there.

The recent Keystone advisory is unusual because the vulnerabilities are scattered across several features but keep affecting the same class of security controls. Application credentials, trusts, RBAC enforcement, project ownership validation, token expiration. Different code paths. Similar failures.

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.

The Joomla Content Editor (JCE), one of the most widely deployed editor extensions for Joomla websites, is currently under active attack due to a critical vulnerability.

At least 15 malicious plugins and nearly 70,000 installs later, developers are being reminded that trusted marketplaces can become supply-chain attack vectors overnight.  

Remote access tools do not need dramatic new features to improve security. Sometimes the more useful change is quieter, like stronger defaults that make weak encryption harder to use by accident.

Remote support platforms sit close to the systems attackers want most: administrator workflows, technician accounts, and managed endpoints. That is why the SimpleHelp OIDC flaw is more serious than a routine authentication bypass vulnerability. For organizations running these platforms on Linux-based infrastructure, the risk is compounded by the ease with which these services are deployed and integrated into larger management stacks.

For those of us who live and breathe Linux and open-source infrastructure, the "management plane" is usually just a collection of familiar tools—SSH, APIs, and centralized orchestration. But in the world of proprietary enterprise networking, the management plane is often a black box. Cisco’s latest SD-WAN issue serves as a stark reminder that even when these proprietary systems rely on Linux components under the hood, their centralized nature makes them the ultimate high-value target.

If more than 12 million enterprise systems can be exposed by flaws in a security control designed to harden Linux, it's probably worth asking whether Linux gives people a false sense of security. That's a question that has come up repeatedly throughout 2026.