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CVE-2026-7791 - Local Privilege Escalation via TOCTOU Race Condition in Amazon WorkSpaces Skylight Agent

CVE-2026-5429 - Kiro IDE Webview Cross-Site Scripting via Workspace Color Theme

Google: Vulnerability disclosures double to 10,000 per month as AI fuels exploitation

Vulnerability disclosures continue to skyrocket, doubling over the course of the year to more than 10,000 each month, Google researchers warned.

Attackers Exploit Zimbra Flaw to Deploy Web Shells and Harvest Authentication Secrets

Threat actors have weaponized a now-patched security flaw in Zimbra Collaboration Suite (ZCS) to deploy web shells and access mailbox data, according to findings from the Microsoft Security Research team. The attack exploits CVE-2026-73570 (CVSS score: 8.9), an unauthenticated operating system command injection flaw that can lead to remote code execution when Simple Network Management Protocol

CISA warns of critical pre-auth RCE flaw in MikroTik RouterOS

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) is warning of a new critical vulnerability in MikroTik RouterOS that could lead to remote code execution or cause a denial-of-service condition. [...]

Google: AI Is Changing the Pace and Profile of Vulnerability Discovery

Google’s analysis found that AI-discovered vulnerabilities are more likely to enable remote code execution. The post Google: AI Is Changing the Pace and Profile of Vulnerability Discovery appeared first on SecurityWeek.

Unauthenticated command injection on internet-facing mail servers: tracking CVE-2026-73570

Microsoft Threat Intelligence examines CVE-2026-73570 exploitation in Zimbra, including observed attack paths, detection opportunities, and mitigation guidance. The post Unauthenticated command injection on internet-facing mail servers: tracking CVE-2026-73570 appeared first on Microsoft Security Blog.

WatchGuard Patches Critical Fireware OS Code Injection Vulnerability

WatchGuard has rolled out patches for 15 code execution, DoS, authorization, and path traversal bugs in Fireware OS. The post WatchGuard Patches Critical Fireware OS Code Injection Vulnerability appeared first on SecurityWeek.

Government, Finance Orgs Targeted in Weeks-Long NetScaler Zero-Day Attacks

Several security firms have confirmed seeing exploitation of the NetScaler vulnerabilities CVE-2026-88771 and CVE-2026-88772. The post Government, Finance Orgs Targeted in Weeks-Long NetScaler Zero-Day Attacks appeared first on SecurityWeek.

Bitget hacked via zero-day in third-party security products

Cryptocurrency exchange Bitget revealed today that attackers who stole $387.5 million last week breached its systems after exploiting a zero-day flaw in third-party security products. [...]

U.S. CISA adds Apple Multiple Products flaw to its Known Exploited Vulnerabilities catalog

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Apple Multiple Products flaw to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added an Apple Multiple Products flaw, tracked as CVE-2026-86950 (CVSS score of 8.8), to its Known Exploited Vulnerabilities (KEV) catalog. This week, Apple has released security updates for iOS, iPadOS […]

WHIPSHOT and SLAPSHOT: the tools behind an active Citrix NetScaler campaign

Mandiant and GTIG detail active exploitation of a Citrix NetScaler zero-day, deploying custom web shells WHIPSHOT and SLAPSHOT for root access. Mandiant and Google Threat Intelligence Group caught active exploitation of a zero-day in Citrix NetScaler ADC and Gateway appliances in late September 2026. The bug, tracked as CVE-2026-88772 (CVSS score of 9.5), has been […]

Citrix NetScaler CVE-2026-88772 Exploit Details Show Pre-Auth Path to Shellcode Execution

Cybersecurity researchers have disclosed technical details of a recently patched critical security flaw in Citrix NetScaler ADC and Gateway that has come under active exploitation in the wild. The vulnerability, tracked as CVE-2026-88772 (CVSS score: 9.5), has been described as a memory overflow bug in the Datagram Transport Layer Security (DTLS) protocol handling that's rooted in the NetScaler

ZDI-26-750: WatchGuard FireWare OS spamd statushdlr Stack-based Buffer Overflow Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of WatchGuard FireWare OS. Authentication is required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.2. The following CVEs are assigned: CVE-2026-18145.

ZDI-26-749: WatchGuard FireWare OS samld SAMLSession Deserialization of Untrusted Data Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of WatchGuard FireWare OS. An attacker must first obtain the ability to write to the samld session directory on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.5. The following CVEs are assigned: CVE-2026-13046.

Apple Zero-Day Vulnerability Weaponized in Targeted Attacks

Attackers are exploiting CVE-2026-86950, an out-of-bounds write flaw, in an extremely sophisticated fashion, according to Apple.

Unsloth Studio Flaw Turns Routine Model Inspection Into Code Execution

A patched Unsloth Studio vulnerability allows malicious AI models to execute arbitrary Python code during inspection, via the trust_remote_code setting.

Hackers exploit Citrix NetScaler zero-day to deploy web shells

Cybersecurity firms say attackers exploited the Citrix NetScaler CVE-2026-88772 zero-day to deploy custom web shells and tunneling malware, gain root access, steal credentials, and spread into internal networks. [...]

New Spectre-v2 BTR Attack Leaks Linux Memory Despite Existing Defenses

A group of academics from VUSec and Scuola Superiore Sant'Anna have disclosed details of a new Spectre CPU vulnerability variant that affects Just-In-Time (JIT) engines present in web browsers, language runtimes, and the operating system kernel, across multiple CPU vendors. The new Spectre v2 variant has been codenamed Branch Target Reuse (BTR). "The key insight is that, while modern CPUs

Automated AI agent used to breach cybersecurity nonprofit DIVD

The Dutch Institute for Vulnerability Disclosure (DIVD) suffered an AI-driven cyberattack that the organization described as "loud and very, very messy." [...]

CVE-2026-100308 - GluonTS arbitrary command execution during model deserialization

Bulletin ID: 2026-119-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 09/29/2026 08:00 AM PDT Description: GluonTS is an open source library for deep learning based time series models. We identified CVE-2026-100308 that allows arbitrary command execution upon deserialization of untrusted model artifacts. Deserialization of untrusted data in the model loading component in Amazon GluonTS before 0.17.0 might allow context-dependent attackers to execute arbitrary opera…

Dual NetScaler Zero-Days Trigger Chaos for Citrix Customers

The critical vulnerabilities, which impact default configurations of NetScaler products, essentially give attackers a skeleton key to customers' networks.

Kiteworks Fixes Critical Flaw Found During Nine-Hour Precautionary Shutdown

Kiteworks on Monday said it worked with federal intelligence authorities over the weekend as it identified and addressed a critical security vulnerability during the scheduled precautionary shutdown. "During the shutdown, this activity led to the discovery of a previously unknown critical vulnerability confined to a capability that is enabled for less than 1% of the customer base," the company

Defending Against Active Exploitation of Citrix NetScaler ADC and Gateway Appliances

Introduction In late September 2026, Mandiant Consulting and Google Threat Intelligence Group (GTIG) identified active, in-the-wild exploitation of a zero-day vulnerability (CVE-2026-88772) affecting Citrix NetScaler ADC and NetScaler Gateway appliances. We have observed evidence that organizations in North America and Europe in the government, financial services, technology, education, and legal and professional services sectors were likely impacted by this exploitation campaign, which has bee…