THREAT ADVISORIES

Over 1,000 Internet-exposed GitLab servers are still unpatched against a maximum-severity flaw actively exploited in remote code execution attacks. [...]

A critical flaw in Canonical's LXD and MicroCloud let an attacker log in as a trusted client without holding that client's private key. To do it, the attacker had to reach their HTTPS API over the network and have the trusted client's public certificate. Once in, the attacker would act as that client, with access to the cluster and its virtual machines. If the impersonated account is

Drupal warns that attackers are exploiting a critical authorization flaw in Commerce Core, putting vulnerable online stores at risk. Drupal warns that threat actors are exploiting a highly critical security flaw, tracked as CVE-2026-118539, in its Commerce Core module. The vulnerability is caused by missing authorization checks. “This module enables you to sell goods and […]

A malicious ChatGPT share link could run an attacker's code in the logged-in session of anyone who opened it, allowing them to read their private conversations, researchers at the security firm Parameter showed. The researchers reported the flaw through OpenAI's bug bounty program on October 18, and OpenAI fixed it eight days later and rated it P1, its most serious category.

Security researchers at Anthropic have developed an exploit for a critical Linux kernel vulnerability that allows unauthenticated attackers to remotely execute commands as root on servers running Multipath TCP (MPTCP) listeners. [...]

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds GitLab and Cisco flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added GitLab and Cisco vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog: Below are the flaws added to the catalog: CVE-2026-97229 is a critical security flaw that could let attackers run code on […]

A vulnerability in TeamViewer could let attackers run code on an IT support technician’s computer when the technician…

Attackers have started exploiting a maximum-severity GitLab vulnerability patched earlier this month, according to the US Cybersecurity and Infrastructure Security Agency (CISA). [...]

Drupal warned admins to patch a critical access bypass vulnerability in the Commerce Core module that attackers are exploiting in the wild. [...]

Drupal has warned that threat actors are exploiting a "highly critical" security flaw in its Commerce Core component. The vulnerability, tracked as CVE-2026-118539 (CVSS score: N/A), is a case of missing authorization affecting Commerce Core versions from 0.0.0 to 2.41 and from 3.0.0 to 3.3.13. "This module enables you to sell goods and services to customers through an included shopping cart

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday added two security flaws impacting Cisco and GitLab software to its Known Exploited Vulnerabilities (KEV), citing evidence of active exploitation. The vulnerabilities are listed below - CVE-2026-97229 (CVSS score: 10.0) - An integer overflow or wraparound vulnerability in GitLab Community Edition and Enterprise

Attackers Can Exploit ICMP Error Handling Before Operating System Protections Load A critical buffer overflow in TianoCore's EDK II UEFI firmware, tracked as CVE-2026-97631, could let unauthenticated attackers execute code during PXE network boot before OS security checks begin, exposing systems to pre-boot compromise despite an upstream source fix.

Some attacks take real skill. Others just need someone to leave a door open. This week has both. Exposed passwords, old bugs still getting exploited, and trusted software doing things it shouldn't. There's a strange mix of clever tricks and careless mistakes. Hackers are borrowing trust from familiar apps, websites, and AI tools. Some are using AI to speed things up. Others are leaving their

A newly identified advanced persistent threat (APT) group tracked as UAT-11473 was observed exploiting CVE-2026-20127, an authentication-bypass flaw in Cisco Catalyst SD-WAN Controllers, to deploy a custom malware framework called KeyDrift. [...]

A flaw in the Linux kernel's TCP code, tracked as CVE-2026-98432, affects Ubuntu, Red Hat Enterprise Linux (RHEL), and other Linux distributions. The kernel's own CVE team rates it 9.8 out of 10 on the CVSS scale. Anthropic said on October 27 that its AI model wrote an exploit that uses the flaw to let a remote attacker with no credentials run commands as root on Linux servers with a

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) warned federal agencies to patch a high-severity Linux kernel privilege escalation bug that attackers are chaining with the PHP2Shell flaws in the wild. [...]

Exploitation attempts have started against CVE-2026-101767, a recently patched Oracle E-Business Suite (EBS) flaw. “Our Oracle E-Business Suite decoys recorded exploratory exploits against CVE-2026-101767, an unauthenticated SQL injection in EBS’s Thin Client Framework servlet that chains to remote code execution, this morning, Oct 27,” Defused posted on X, noting that no public report of the flaw being attempted in the wild had existed before. About CVE-2026-101767 The flaw carries a CVSS score of 9.8 and … More → The post Exploitation attempts against recently patched Oracle EBS flaw have begun (CVE-2026-101767) appeared first on Help Net Security .

An attacker tried to exploit a critical GitLab vulnerability on the Alpine Linux project's own GitLab server a week after GitLab released a fix, Alpine Linux said on 28 October. The flaw, CVE-2026-97229 (CVSS score: 10.0), can let an attacker run code on a GitLab server through a crafted regular expression in a CI configuration. Alpine found no evidence that the attack worked but

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added a security flaw impacting Broadcom VMware ESX to its Known Exploited Vulnerabilities (KEV) catalog, after CrowdStrike revealed that it had been weaponized by a China-nexus threat actor known as Warp Panda in attacks targeting the U.S. legal sector. The vulnerability in question is CVE-2026-41709 (CVSS score:

Palo Alto Networks on Wednesday warned that threat actors are exploiting the recently patched PHP2Shell vulnerabilities against publicly-accessible management interfaces. "Active exploitation has been observed targeting the Palo Alto Networks management interface exposed to the internet," the network security company said in an update to its advisory. The vulnerabilities, tracked as

New York, United States, 28th October 2026, CyberNewswire

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,

CVE-2026-97631: A 16-year-old UEFI flaw (CVSS score of 9.5/10) enables pre-OS code execution. Exposed servers need firmware patches and checks. A critical flaw, tracked as CVE-2026-97631 (CVSS score of 9.5), in the firmware that boots most of the world’s servers is now public, and the patch details came out months early. The bug affects TianoCore […]

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Google Brotli and Adobe Commerce and Magento flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added Google Brotli and Adobe Commerce and Magento vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog: Below are the flaws added to the catalog: Brotli is a data-compression algorithm […]

The US Cybersecurity and Infrastructure Security Agency (CISA) added two critical PHP flaws, CVE-2026-109618 and CVE-2026-109619, to its…

The Tailscale security team is working to patch almost a dozen security vulnerabilities that could be exploited to steal credentials, crash servers, gain root privileges, and more. [...]

A Kaspersky expert presents a cloud isolation bypass case honored at Russian Pentest Award 2026. Learn how vulnerabilities in Kubernetes, Konnectivity, and the overlay network lead to RCE and compromise of other tenants' services.

View CSAF Summary Successful exploitation of these vulnerabilities could allow an attacker to cause a denial-of-service condition, corrupt memory, disclose sensitive information, or potentially execute arbitrary code. The following versions of EPICS Base are affected: EPICS Base release <=7.0.10 (CVE-2026-114595, CVE-2026-114596, CVE-2026-114597, CVE-2026-114598) CVSS Vendor Equipment v3 9.8 The EPICS Community EPICS Base release 3 Vulnerabilities Integer Overflow or Wraparound, Improper Handling of Length Parameter Inconsistency, Access of Resource Using Incompatible Type ('Type Confusion') Background Critical Infrastructure Sectors: Critical Manufacturing Countries/Areas Deployed: Worldwide Company Headquarters Location: Global Vulnerabilities Expand All + CVE-2026-114595 In EPICS Base release 7.0.10 and prior, an integer overflow in network request processing can cause memory to be allocated with an incorrect size. Subsequent handling of attacker supplied data may result in memory corruption, denial of service, or potential remote code execution. Read More 1 Affected Product The EPICS Community EPICS Base release: <=7.0.10 Product Status: known_affected Remediations Mitigation The EPICS Community has made available updates to the epics-base GitHub repositories. Affected users should update to the 7.0.11 release. For more information, u...

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added the PHP2Shell vulnerabilities to its catalog of actively exploited security flaws and ordered federal agencies to patch their systems by Thursday. [...]

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday confirmed active exploitation of the recently patched PHP2Shell flaws by adding them to its Known Exploited Vulnerabilities (KEV) catalog. The PHP vulnerabilities, both rated 9.2 on the CVSS scoring system, facilitate unauthenticated remote code execution on affected deployments - CVE-2026-109618 - An out-of-memory

Google Brotli contains an unchecked return value vulnerability that allows a remote unauthenticated attacker to corrupt adjacent decoder state memory, disclose sensitive memory contents, cause a denial of service, or potentially execute arbitrary code using a crafted Brotli-compressed stream.

A critical flaw dubbed 'HTTP2Shell' in Brotli, the C decoder library built into Node.js, could allow attackers to corrupt memory and access sensitive data. [...]

Microsoft released emergency .NET security updates to patch a critical vulnerability known as Broccoli2Shell, also tracked as Node2Shell and HTTP2Shell. [...]

This2Shell, That2Shell, Everything2Shell. That's pretty much how the last week went. Critical bugs that let attackers run code remotely are showing up everywhere. Hackers are scanning for targets, some flaws are already being used in attacks, and security teams have more urgent patches than they can keep up with. And that's not even the full story. A leaked key led to a software supply-chain

Two critical flaws in Wasmtime, a WebAssembly runtime that can be built into other software, could allow a malicious WebAssembly module to escape the sandbox intended to contain it, the project's maintainers say. An attacker would first need a vulnerable Wasmtime build to compile a module they control, and one of the flaws affects only ARM64 systems. Fixed versions were released on

Fortinet rolled out security hardening updates for FortiOS, FortiManager, FortiAnalyzer, FortiMail, and FortiAuthenticator last week, but is keeping the details about the fixed vulnerabilities under wraps until November 10, 2026. The vulnerabilities were uncovered with the help of AI models and validated by humans, Fortinet’s Chief Information Security Officer Carl Windsor explained in the advance announcement. But attackers also have access to AI tools, he warned, and can use them to find vulnerabilities and build … More → The post Fortinet patches critical FortiOS flaws found with AI help appeared first on Help Net Security .

Cyfirma links PHP2Shell scans of 216 vulnerable hosts to a suspected North Korean campaign using AI to rank public exploits. On October 21, PHP released emergency patches for two critical vulnerabilities, CVE-2026-109618 and CVE-2026-109619, both rated 9.2 on the CVSS scale. The flaws affect all PHP versions that handle web requests. The vulnerable code dates […]

Two critical RCE vulnerabilities (CVE-2026-109618 and CVE-2026-109619), collectively tracked as PHP2Shell, have been successfully exploited in the wild. [...]

PHP contains an out-of-memory corruption vulnerability that allows for unauthenticated remote code execution.

PHP contains a stale internal request-state vulnerability that allows for unauthenticated remote code execution.

Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: 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 project will publish those details, along with the patched version numbers, when the release goes out. … More → The post Week in review: PHP vulnerabilities patched, exploited Palo Alto GlobalProtect VPN flaw appeared first on Help Net Security .

Pierluigi Paganini answers questions about the PHP2Shell vulnerability, early exploitation, AI-assisted attacks, and the risks to businesses, servers, and personal data. 1. Your latest report reveals that hackers began exploiting the PHP2Shell vulnerability four days before it was publicly disclosed. First, can you explain what PHP is, how widely it is used across the internet, […]

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Collabora Online flaw to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a Collabora Collabora Online – Built-in CODE Server flaw, tracked as CVE-2026-110447 (CVSS score of 9.2), to its Known Exploited Vulnerabilities (KEV) catalog. Collabora Online – Built-in CODE Server is […]

A memory-corruption flaw in Google's Brotli decoder sits in many programs that unpack Brotli-compressed data, among them Bun, the Python Brotli and brotlicffi packages, and Envoy proxies set up to decompress Brotli. Tracked as CVE-2026-111497, the flaw allows crafted compressed data to overwrite past the end of a buffer and corrupt a program's memory, potentially

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Arista VeloCloud Orchestrator flaw to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a critical Arista VeloCloud Orchestrator flaw, tracked as CVE-2026-114625 (CVSS score of 9.4), to its Known Exploited Vulnerabilities (KEV) catalog. VeloCloud Orchestrator (VCO) is the central management system for […]

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Friday added two vulnerabilities impacting Collabora Online Built-in CODE Server and Arista VeloCloud Orchestrator (VCO) to its Known Exploited Vulnerabilities (KEV), citing reports of active exploitation in the wild. The critical-severity vulnerabilities are listed below - CVE-2026-110447 (CVSS score: 9.2) - An operating

Executive Summary A critical certificate authority incident disclosed on October 17, 2026, impacts eight eMudhra intermediate CA certificates. A flaw in the key generation process could allow attackers to recover private keys and issue fraudulent TLS or code-signing certificates. The affected intermediates have been revoked and blocked by major platform vendors, including Chrome, Mozilla, Apple, […]

Researchers remotely disabled a vulnerable updater in the abandoned Time4Popcorn app, a fork of the Popcorn Time BitTorrent client, closing a security flaw that could have allowed attackers to execute malicious code with elevated privileges on millions of computers. [...]