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Zscaler ThreatLabz

CVE-2026-111497: Node2Shell / HTTP2Shell Vulnerability May Allow RCE

IntroductionOn October 21, 2026, the Node.js project disclosed CVE-2026-111497, an out-of-bounds write vulnerability in Google’s Brotli decoder used by Node.js and other software. The vulnerability is also known as Node2Shell and more recently as HTTP2Shell. The CVE score, filed by Google as the numbering authority, is 9.2 (Critical) on CVSS 4.0. The flaw can be triggered when a vulnerable process decompresses attack…

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Help Net Security

GitHub’s npm package firewall can block brand-new versions before they install

GitHub announced a package firewall that checks npm packages against an enterprise’s policy before they install. It blocks known malware, critical vulnerabilities, and brand-new versions, and any developer can turn it on by pointing npm at the firewall. The checks run before a package reaches a laptop, a build, or a coding agent. GitHub says AI agents are helping developers build more software, faster, and the firewa…

بدافزار و آلودگی آسیب‌پذیری و روز صفر
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Cisco Security Advisories

Vulnerabilities in PHP Affecting Cisco Products: October 2026

On October 21, the PHP Foundation announced the availability of a Critical PHP Security release addressing two critical vulnerabilities: CVE-2026-109618 - RCE via OOM corruption CVE-2026-109619 - RCE via stale global state For information about these vulnerabilities, see the advisories GHSA-w8hw-w9fx-j79w and GHSA-6wmf-4rv5-p3rp. These vulnerabilities are being referenced as PHP2shell. For information about Splunk pr…

آسیب‌پذیری و روز صفر
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The Hacker News

PHP2Shell Attack Roots 25 Servers, Breaches U.S. Government-Affiliated Network

Cybersecurity researchers have disclosed details of what appears to be an artificial intelligence (AI)-assisted attack orchestrated by a suspected China-nexus threat actor that has leveraged the PHP2Shell vulnerabilities to breach exposed systems. The activity, which was observed on October 25, 2026, involved an attacker combining PHP2Shell with a kernel privilege escalation exploit to root

آسیب‌پذیری و روز صفر نشت داده امنیت هوش مصنوعی
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Cisco Security Advisories

Cisco Advance Notification for Publication of November 4, 2026, Security Advisories

On November 4, 2026, the Cisco Product Security Incident Response Team (PSIRT) will publish advisories to disclose security vulnerability information along with fixed software releases for the following Cisco products: Identity Services Engine (ISE) UCS Central Software Unified Communications Manager To remediate vulnerabilities to be disclosed on November 4, 2026, Cisco strongly recommends that customers upgrade to…

آسیب‌پذیری و روز صفر پاسخ به رخداد و جرم‌یابی
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