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Meshery
Meshery: Open-source cloud-native manager for Kubernetes

Meshery is an open-source tool for designing, deploying and managing Kubernetes infrastructure, built by Layer5 and its community and hosted as a Cloud Native Computing …

AWS Strands
Strands Box: Open-source sandbox for AI agents

AWS released Strands Box, an open source sandbox for AI agents that pairs operating-system isolation with rules that can weigh what an agent has already done before letting it …

open source
What makes some open source updates so difficult?

Many organizations adopt open source software because they see it as a cheaper alternative to proprietary development. Maintaining it, however, still requires engineering …

Anthropic
Anthropic offers free AI security scans to open-source maintainers

Anthropic’s OSS Scanner is a new, free service that uses the company’s strongest AI models to find security vulnerabilities in open-source software. Maintainers who opt in …

Java
Java library vulnerabilities: IBM and Red Hat fix 400+ previously unknown flaws

IBM and Red Hat have found and fixed more than 400 previously unknown vulnerabilities in widely used Java libraries through Lightwell, their program for patching open source …

AI Agent Gateway
AI Agent Gateway: Open-source tool keeps credentials out of agent configs

Tuskira’s AI Agent Gateway is an open-source solution that sits between AI agents and everything they call: the MCP tool servers that connect them to services like …

OpenSSH
OpenSSH 10.6 enables a post-quantum signature algorithm, so experimental keys need replacing

The OpenSSH team released version 10.6 on Oct. 6 and said it will ship releases more often for now to get bugfixes into users’ hands more quickly. The maintainers have …

Keyorix
Keyorix: Open-source secrets management for teams that can’t use SaaS

Keyorix is an open-source secrets manager that runs entirely on a company’s own servers. A secrets manager is the locked store where an application fetches the database …

AI
AI agent used Zammad zero-days to breach Dutch vulnerability disclosure non-profit

An agentic AI-powered attack that hit the Dutch Institute for Vulnerability Disclosure (DIVD) on September 21 exploited two zero-day vulnerabilities in Zammad, an open-source …

Jfrog Artifactory
OpenInfra Europe’s JFrog Artifactory instance breached, packages potentially compromised

Attackers have compromised a self-hosted JFrog Artifactory instance operated by OpenInfra Europe, the regional hub of the OpenInfra Foundation warned in a security notice …

OWASP Noir
OWASP Noir: Open-source static analysis tool

OWASP Noir is an open-source static analysis tool that reads an application’s source code and lists the endpoints it exposes: paths, HTTP methods, parameters, headers, …

open-source cybersecurity tools
Hottest cybersecurity open-source tools of the month: September 2026

Presented here is a curated selection of noteworthy open-source cybersecurity solutions that have drawn recognition for their ability to enhance security postures across …

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