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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…

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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

Researcher Reveals How Logic Bugs Alone Cracked Microsoft Edge in $175,000 Pwn2Own Win

A chain of logic flaws, with no memory corruption, can turn a malicious web page into code running on a Windows computer outside Microsoft Edge's sandbox, a security researcher has shown. Orange Tsai of DEVCORE published the full method on October 28, five months after the chain won $175,000 at the Pwn2Own Berlin contest in May. Microsoft fixed the Edge bugs the day after the contest,

سیستم‌عامل
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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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