Latest Cybersecurity News & Insights

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Critical Flaw Led to Azure Cosmos DB Pwnage

Named CosmosEscape, the vulnerability exposed the primary key for Cosmos DB accounts, granting full read and write access. The post Critical Flaw Led to Azure Cosmos DB Pwnage appeared first on SecurityWeek.

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Critical Code Execution Vulnerability Patched in TeamCity 

Tracked as CVE-2026-63077, the security defect can be exploited without authentication via the agent polling protocol. The post Critical Code Execution Vulnerability Patched in TeamCity  appeared first on SecurityWeek.

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Azure Cosmos DB Flaw Exposed Platform-Wide Key That Could Access Any Database

A now-patched vulnerability in Azure Cosmos DB could have let an attacker escape the service's Gremlin query sandbox and obtain full read and write access to databases across customer tenants, according to Wiz. Wiz, which codenamed the chain CosmosEscape, said the exploit chain began with a crafted query against a Gremlin database controlled by the attacker. From there, code execution on a

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Russian Hackers Exploit Microsoft OWA Flaw to Keep Mailbox Access After Credential Rotation

The Russian threat actors recently linked to the exploitation of a now-patched vulnerability in Zimbra have been observed exploiting another vulnerability, this time in Microsoft Outlook Web Access (OWA), to target U.S. and European government entities, as well as the telecommunications, financial, hospitality, and aerospace sectors. The activity, which began on July 22, 2026, involves the

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Cisco Secure FMC Zero-Day Exploited in the Wild

The vulnerability tracked as CVE-2026-20316 can be exploited by a remote, unauthenticated attacker to log into affected devices.  The post Cisco Secure FMC Zero-Day Exploited in the Wild appeared first on SecurityWeek.

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Cisco FMC Zero-Day Actively Exploited, Static Credentials Could Expose Sensitive Data

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added a newly disclosed security flaw impacting Cisco Secure Firewall Management Center (FMC) Software to its Known Exploited Vulnerabilities (KEV) catalog, following reports of zero-day exploitation. The vulnerability, assigned CVE-2026-20316 (CVSS score: 5.3), could permit an unauthenticated, remote attacker to log

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Critical Rails Flaw Could Let Unauthenticated Attackers Read Server Files via Image Uploads

Ruby on Rails has released fixes for a critical Active Storage vulnerability that could let unauthenticated attackers read arbitrary files from application servers through crafted image uploads. Tracked as CVE-2026-66066 (CVSS score: 9.5), the flaw can expose the Rails process environment and secrets such as secret_key_base, the Rails master key, database passwords, cloud storage credentials,

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Ruflo MCP Flaw Lets Unauthenticated Attackers Run Commands and Poison AI Memory

Cybersecurity researchers have flagged a maximum-severity security flaw in Ruflo, an open-source agent meta-harness for Anthropic Claude Code and OpenAI Codex, that could result in unauthenticated remote code execution. The vulnerability, tracked as CVE-2026-59726 (CVSS score: 10.0), impacts all versions of the project before version 3.16.3. It has been codenamed RufRoot by Noma Security's

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Three Critical VMware Flaws Allow Auth Bypass, Code Execution, and VM Escape

Broadcom has released security updates to address multiple security flaws impacting VMware ESX, vCenter, Workstation, and Fusion, three of which have been designated as critical in severity. The first of the three critical-rated flaws is CVE-2026-59309 (CVSS score: 9.8), which has been described as an authentication bypass in VMware vCenter. "A malicious actor with network access to vCenter

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Mythos Asks the Right Question. It Doesn't Answer It.

AI is compressing exploit timelines. The real question isn't whether your vulnerability management playbook needs to change, it's which part of it you've been getting wrong all along. The conversation happening in security circles right now goes something like this: Mythos is here. Exploit timelines are collapsing. Does the vulnerability management playbook need to change? The honest answer is

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Researchers Show a Single Malicious Webpage Visit Can Compromise Tor Browser

Nebula Security says a patched Firefox JIT flaw could be triggered by simply visiting a malicious webpage and was also used to compromise Tor Browser. Tracked as CVE-2026-10702, the bug provides arbitrary code execution inside the browser's renderer process. Mozilla rated it High and fixed it in the Firefox 151.0.3 update. "No settings or additional user interaction are required," Eten Zou,

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Critical VM Escape Vulnerability Patched in VMware ESXi

A total of five vulnerabilities have been patched in VMware ESXi, vCenter, Workstation, and Fusion. The post Critical VM Escape Vulnerability Patched in VMware ESXi appeared first on SecurityWeek.

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Russia Charges Telegram Founder Pavel Durov With Aiding Terrorist Activity

The Federal Security Service of the Russian Federation (FSB) on Wednesday said it charged Telegram founder Pavel Durov for allegedly facilitating terrorist activities and for failing to remove prohibited information in violation of Russian law. The principal security agency said the instant messaging platform "failed to remove numerous channels, chats, and bots on the platform that are

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Public PoC Released for Exploited Check Point SmartConsole Authentication Bypass

Cybersecurity researchers have shared additional technical details about a recently patched critical security flaw impacting Check Point Security Management Server and Multi-Domain Security Management Server (MDS) that has come under active exploitation in the wild. The vulnerability, tracked as CVE-2026-16232 (CVSS score: 9.3), is an authentication bypass in the SmartConsole login process that

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JFrog Zero-Days Exploited in OpenAI-Hugging Face Hack

The OpenAI models targeted services beyond Hugging Face as they attempted to solve the tasks they were given. The post JFrog Zero-Days Exploited in OpenAI-Hugging Face Hack appeared first on SecurityWeek.

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New Gitea RCE Lets Repository Writers Plant a Git Hook to Run Shell Commands

Gitea, the self-hosted Git platform, has patched a critical remote code execution vulnerability. A user with ordinary repository write access can turn attacker-controlled patch content into a live Git hook and run shell commands as the Gitea service account. Tracked as CVE-2026-60004 (CVSS score: 9.8), the flaw affects Gitea versions 1.17 and later before 1.27.1 and is fixed in 1.27.1. The

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JFrog Confirms OpenAI Models Exploited Artifactory Zero-Day Before Hugging Face Breach

JFrog has confirmed that OpenAI models exploited a zero-day in self-hosted Artifactory while trying to reach the open internet from a sealed evaluation environment. Artifactory is JFrog's software repository manager. OpenAI says the models then escalated privileges and moved laterally until they reached an internet-connected node. JFrog says it has since developed and released fixes for cloud

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Critical OpenWrt DHCPv6 Flaw Could Let Unauthenticated Attackers Run Code as Root

OpenWrt has shipped version 24.10.8 to close a critical DHCPv6 stack overflow and a wider set of remotely triggerable flaws in network services enabled by default. The critical issue, tracked as CVE-2026-53921 and rated 9.8 on CVSS 3.1 in OpenWrt's GitHub advisory, lets an unauthenticated attacker able to reach the DHCPv6 server overwrite a stack buffer in odhcpd through a crafted DHCPv6

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Critical TeamCity Flaw Could Let Attackers Run OS Commands Without Logging In

JetBrains is urging customers of on-premise versions of TeamCity to update to the latest version following the discovery of a critical security issue that could result in arbitrary code execution. The vulnerability, assigned CVE-2026-63077 (CVSS score: 9.8), affects all TeamCity On-Premises versions. It has been addressed in versions 2025.11.7 and 2026.1.3. TeamCity Cloud instances have already

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Researcher Says AI Helped Develop Linux Traffic-Control Race Into Root Exploit

STAR Labs has published a Linux kernel exploit that turns an ordinary local user into root on the CentOS Stream 9 build it targeted. The flaw, tracked as CVE-2026-53264 (CVSS score: 7.8), is a use-after-free race in the kernel's network traffic-control subsystem.Researcher Lee Jia Jie said artificial intelligence (AI) helped him find the bug and speed up exploit development. This is local