What's happening in security
Breaches, credential dumps, actively exploited bugs and AI incidents — pulled from 5,636 items across public feeds, Have I Been Pwned and CISA KEV.
Biggest this week
- Westcon-Comstor posts record US$3.37B first-half sales as APAC demand for AI, cloud and cyber accelerates — Reseller News (NZ), 2d ago
- GitHub Octoverse 2026 — Simon Willison (AI), 4d ago
- Binance Suffers Security Breach Affecting $6.3 Billion in Assets, Nearly $3 Billion Frozen — The Hacker News, 2d ago
- Upwind Security Raises $400 Million at $3.8 Billion Valuation — SecurityWeek, 4d ago
- Binance hit by record $6.3 billion crypto hack, scrambles to freeze funds — The Record, 2d ago
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PHP says AI review of critical bugs first sparked alarm in August, but signs surfaced in 2024
In a lengthy statement about two critical vulnerabilities, the PHP Foundation explained how one dated to 2024, how a recent third-party review by AI companies heightened attention on both, why it scrambled to post information earl…
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PHP2Shell Patches Land as First Exploitation Attempts Hit Sensors
The two RCE bugs can be exploited against WordPress, Drupal, Joomla, and other popular applications. The post PHP2Shell Patches Land as First Exploitation Attempts Hit Sensors appeared first on SecurityWeek .
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Widespread PHP Flaw May Cause Many Site Outages Today
Expect to see quite a few websites serving "404" or "Page Not Found" errors today: Nearly 70 percent of websites need to update their core software to fix a pair of vulnerabilities that allow an attacker to seize full control over…
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CVE-2026-109618 and CVE-2026-109619: Critical Unauthenticated Remote Code Execution in PHP
Overview On October 21, 2026, the PHP project announced security releases for two critical vulnerabilities in PHP. CVE-2026-109618 can corrupt memory during out-of-memory (OOM) handling, while CVE-2026-109619 is a use-after-free f…
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Critical RCE vulnerabilities in PHP (CVE-2026-109618, CVE-2026-109619)
We discuss the incident involving the leak of information about vulnerabilities CVE-2026-109618 and CVE-2026-109619. Kaspersky solutions detect the PHP2Shell exploit: we’ll walk you through examples using KEDR, KATA, and KES.
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Two critical RCEs in PHP core
Cisco Talos is tracking the disclosure of two unauthenticated remote code execution (RCE) flaws in PHP core, dubbed php2shell , triggered by a plain HTTP request and exploitable before any application code runs, affecting every PH…
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‘This Is Not a Drill’: Critical PHP Vulnerabilities Are Setting the Internet on Fire
The PHP Foundation has revealed two serious vulnerabilities that could impact millions of websites. Security experts warn that failure to quickly patch the flaws could have dire consequences.
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Hundreds of websites taken offline as concern grows over two PHP vulnerabilities
The maintainers of the globally used PHP scripting language released patches for two vulnerabilities after alerting users that the bugs were severe.
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Critical PHP vulnerabilities expose vast majority of websites to potential compromise
The serious flaws in popular website software prompted government agencies to urge organizations to take their sites offline until they could be fixed.
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PHP ships emergency patches for critical PHP2Shell flaws
The PHP security team released emergency security patches for two critical remote code execution (RCE) vulnerabilities (CVE-2026-109618 and CVE-2026-109619) tracked collectively as PHP2Shell. [...]
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“Next Exploit Opportunities”: How a Threat Actor Used AI to Help Plan and Execute Multiple Types of Cybercrime Activities
An investigation into a threat actor bypassing AI safety controls to coordinate credential theft, VoIP fraud planning, and database exfiltration. The post “Next Exploit Opportunities”: How a Threat Actor Used AI to Help Plan and E…
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PHP Issues Emergency Patches for Two Critical PHP2Shell RCE Flaws as Exploit Attempts Emerge
PHP has released emergency updates that fix two critical flaws in the language itself, letting an attacker without an account run code on a web server. The fixes are in PHP 8.5.12, 8.4.27, 8.3.36 and 8.2.35, and the PHP team says …
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PHP2Shell: Critical PHP vulnerabilities patched, update now!
The PHP development team has released emergency security updates to fix PHP2Shell, two critical vulnerabilities (CVE-2026-109618 and CVE-2026-109619) that could let attackers execute code remotely on web servers without logging in…
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Threat Brief: Critical Vulnerabilities in PHP: CVE-2026-109618, CVE-2026-109619
CVE-2026-109618 and CVE-2026-109619 are Critical vulnerabilities in PHP, a scripting language used globally for web servers and CMS systems. The post Threat Brief: Critical Vulnerabilities in PHP: CVE-2026-109618, CVE-2026-109619 …
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Prepare yourselves: PHP to release emergency fixes for 2 critical vulnerabilities
The project overseeing the programming language is releasing patches Wednesday, with the internet racing to patch the 9.2 rated flaw. The post Prepare yourselves: PHP to release emergency fixes for 2 critical vulnerabilities appea…
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Q3 2026 Threat Update: Attackers Are Exploiting Vulnerabilities Within 3 Days
Three days is the average time between a high-severity vulnerability becoming public and its exploitation, according to the latest Quarterly Threat Landscape Report from Rapid7. And 71% of the exploitation tracked in Q3 occurred w…
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Memory Bugs Account for Most of Chrome’s 353 New Security Fixes
The update fixes 353 flaws, including 163 memory corruption and 125 use-after-free vulnerabilities. The post Memory Bugs Account for Most of Chrome s 353 New Security Fixes appeared first on SecurityWeek .
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Ransomware gangs have been exploiting Palo Alto GlobalProtect VPN flaw since June
Several ransomware groups are exploiting CVE-2026-0257, an authentication bypass in Palo Alto Networks’ PAN-OS GlobalProtect patched in May, to break into organizations in sectors ranging from healthcare and education to governmen…
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PHP2Shell: What Actually Protects You Before the 14:00 UTC PHP RCE Patch, and What Doesn't
You cannot fully block the two critical PHP flaws called PHP2Shell before today's fix, and the one setting being passed around as a workaround is not enough on its own, the security firm that suggested it now says. PHP will releas…
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CISA Orders Federal Agencies to Patch Exploited Plex2Shell, Siemens, and SiteGuard Flaws
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday added four vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, including four vulnerabilities impacting Plex Media Server that's collect…
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PHP2Shell: Mass Exploitation Looms for Leaked Critical PHP Flaws
Tracked as CVE-2026-109618 and CVE-2026-109619, the bugs could potentially lead to unauthenticated remote code execution. The post PHP2Shell: Mass Exploitation Looms for Leaked Critical PHP Flaws appeared first on SecurityWeek .
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DevGuard: Open-source vulnerability management for the software supply chain
DevGuard is a free, open source vulnerability management platform that collects a software project s security findings in one place, ranks them by risk, and tracks them. It s an OWASP Incubating Project, and anyone can self-host i…
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PHP2Shell: Two Unpatched Critical PHP RCE Flaws (CVSS 9.2) Trigger Emergency Security Alert
PHP will ship an out-of-cycle security release at 14:00 UTC today, October 21, for two critical vulnerabilities that its security team has rated 9.2 on the CVSS v4.0 scale but has not described. Security researchers at watchTowr s…
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A critical PHP security release is coming today, so get ready to update!
The PHP security team has announced an urgent security release for Wednesday, 21 October 2026 at 14:00 UTC. The release fixes two vulnerabilities, each rated 9.2 (Critical) under CVSS v4.0. The notice doesn’t yet describe the vuln…
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Rapid Response: php2shell, Leaked Critical PHP Vulnerabilities (CVE-2026-109618 & CVE-2026-109619)
Two critical PHP RCEs, CVE-2026-109618 and CVE-2026-109619, leaked before the patch. Learn what's known, who's exposed, and how to prepare now.
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PHP warns it plans to release 2 emergency patches imminently
Unconfirmed report claims PHP2Shell exploit remotely executes code on PHP sites.
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PHP warns admins of two critical flaws, emergency patches coming tomorrow
The PHP security team is warning administrators to prepare for emergency security updates tomorrow to address two critical vulnerabilities, as information about the flaws has reportedly leaked ahead of their scheduled disclosure. …
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Critical FortiSIEM Flaw Gets Public Exploit PoC for Unauthenticated Remote Code Execution
Cybersecurity researchers have released a proof-of-concept (PoC) exploit for a recently patched critical security flaw impacting Fortinet FortiSIEM that could result in arbitrary code execution. The vulnerability, tracked as CVE-2…
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Qilin and INC Ransomware Groups Exploit Palo Alto Networks Flaw to Bypass MFA
Palo Alto Networks has disclosed that it's continuing to observe exploitation of a now-patched security flaw impacting PAN-OS and Prisma Access by ransomware actors. The activity relates to CVE-2026-0257 (CVSS score: 7.8), an auth…
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There's only so much code: the rise in vulnerability numbers
The September Microsoft Tuesday release included 975 vulnerability advisories. This month, 1,415 vulnerabilities were just dropped. Compared to a pre-June average of 100 a month, that increase is staggering. Where did they come fr…
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Ransomware groups expand targeting of Palo Alto Networks vulnerability
Multiple threat actors have exploited a high-severity flaw in the company s GlobalProtect portal.
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EU cyber law won’t force fixes for fridge controllers hit in French attack
The EU’s Cyber Resilience Act that took effect last month only requires companies to fix vulnerabilities and issue free updates during a product's support period, which manufacturers define.
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Pegasus Spyware Infection Confirmed on Serbian University Rector's iPhone Days Before Election
The iPhone of Vladan Đokić, rector of the University of Belgrade and a prominent supporter of Serbia's student protest movement, was infected with NSO Group's Pegasus spyware in 2026, the Citizen Lab said on October 19. The findin…
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Attackers exploit Siemens Software Center flaw in active ClickFix malware campaign
Siemens has confirmed the active exploitation of CVE-2026-110936, a DLL side-loading vulnerability in Siemens Software Center, the company’s tool for downloading, installing and managing its software. Siemens first published its s…
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Possible new Cellebrite iPhone Radio Zero-Day
Justin.sh is reporting on a confidential Cellebrite document that has been leaked to him: Cellebrite calls it Advanced Unlocks (AU from here on), not to be confused with the advanced unlocking services they ve marketed for years. …
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ClickFix Attackers Exploit Siemens Software Center Flaw to Deploy Remote Access Trojan
Siemens has addressed a DLL sideloading vulnerability impacting Siemens Software Center that it said has been exploited in ClickFix attacks. The high-severity vulnerability, tracked as CVE-2026-110936 (CVSS v4 score: 8.4), could a…
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Cybersecurity jobs available right now: October 20, 2026
Application Security Architect Riskified Israel Hybrid View job details As an Application Security Architect, you will review architecture, design, and code to identify security gaps and vulnerabilities. You will work with develop…
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CVE-2026-106931: EG Secure Solutions SiteGuard Server Edition — EG Secure Solutions SiteGuard Server Edition OS Command Injection Vulnerability
EG Secure Solutions SiteGuard Server Edition contains an OS command injection vulnerability which may allow an attacker to execute arbitrary OS commands with root or SYSTEM privileges on the system running the affected product.
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CVE-2026-96656: Plex Media Server — Plex Media Server External Control of File Name or Path Vulnerability
Plex Media Server contains an external control of file name or path vulnerability which can allow an admin user to write arbitrary files that may be executed on load. This vulnerability can be chained with CVE-2026-96652, CVE-2026…
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CVE-2026-96655: Plex Media Server — Plex Media Server Server-Side Request Forgery (SSRF) Vulnerability
Plex Media Server contains a server-side request forgery (SSRF) vulnerability that could allow an authenticated user to request arbitrary internal or external addresses via the '/video/:/transcode/universal' path parameter. This v…
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CVE-2026-96654: Plex Media Server — Plex Media Server Improper Neutralization of Encoded URI Schemes in a Web Page Vulnerability
Plex Media Server contains an improper neutralization of encoded URI schemes in a web page vulnerability that could allow an attacker to call other plugins' functions and supply their own parameters. This vulnerability can be chai…
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CVE-2026-96652: Plex Media Server — Plex Media Server Server-Side Request Forgery (SSRF) Vulnerability
Plex Media Server contains a server-side request forgery (SSRF) vulnerability which could allow an attacker using any X-Plex-Token value to include a full URL in the 'protocol' parameter and force the Plex server to POST to the at…
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CVE-2026-110936: Siemens Software Center — Siemens Software Center Uncontrolled Search Path Element Vulnerability
Siemens Software Center contains an uncontrolled search path element vulnerability that could allow an authenticated local attacker to place a specially crafted DLL in a directory that the application searches, leading to arbitrar…
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Threat Brief: Active Exploitation of PAN-OS CVE-2026-0257 (Updated October 19)
Ransomware operators including Spikey Scorpius (aka Qilin) and Tarnished Scorpius (aka Inc) are exploiting PAN-OS vulnerability CVE-2026-0257. The post Threat Brief: Active Exploitation of PAN-OS CVE-2026-0257 (Updated October 19)…
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PSA: Patch your Plex media server before someone hacks it
A researcher says attacks chaining 4 vulnerabilities is hacking unpatched boxes.
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Siemens Software Center Vulnerability Exploited in ClickFix Malware Attacks
Attackers paired a genuine, signed copy of Siemens Software Center with malicious DLLs to infect Windows PCs via ClickFix lures. The post Siemens Software Center Vulnerability Exploited in ClickFix Malware Attacks appeared first o…
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Hackers Exploit Plex2Shell Flaws to Install Crypto Miners and Linux Proxy Backdoor
Threat actors have begun to exploit a chain of vulnerabilities in Plex Media Server to deploy cryptocurrency miners and reverse proxy software, a day after a proof-of-concept (PoC) went public. According to a researcher who goes b…
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Authentication Bypass, Remote Code Execution, and Database Read in Eptura Archibus (FIXED)
Overview While performing continuous red teaming exercises through Rapid7’s Vector Command service, Rapid7 discovered three new vulnerabilities in Eptura Archibus . A legacy API endpoint could be exploited to bypass authentication…
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Drupal Warns of Fast Exploitation Risk for Critical Core RCE Flaw
Critical flaws impact the Entity List and Field UI modules, and exploit paths exist with contributed modules. The post Drupal Warns of Fast Exploitation Risk for Critical Core RCE Flaw appeared first on SecurityWeek .
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NetScaler intrusions chaining CVE-2026-88771 and CVE-2026-88779
Overview In early October 2026, Rapid7 analysts investigated a compromise of a Citrix NetScaler ADC appliance. The appliance was running an affected 14.1 build and was exposed to active exploitation targeting NetScaler authenticat…
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