Curated Cyber Threat Intelligence

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Daily intelligence on vulnerabilities, threat actors and geopolitical context — distilled from primary sources.

scheduleUpdated 2026-10-28 · 04:17 UTC
articleTotal: 1890 reports

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University of Copenhagen breach exposes 525,000 records in test environmenthighpublicGeopolitical
publicGeopolitical

University of Copenhagen breach exposes 525,000 records in test environment

The breach at Denmark's oldest and most prominent research university represents a significant data exposure incident within a NATO and EU member state with advanced cybersecurity frameworks.

University of Copenhagen26 Oct · 21:20 UTC
ARTEX AI Operators Arrested After Breaching 90+ South Korean Orgshighperson_alertThreat Actor
person_alertThreat Actor

ARTEX AI Operators Arrested After Breaching 90+ South Korean Orgs

ARTEX AI operators is a seven-member cybercrime group led by a 32-year-old self-taught hacker with penetration testing experience. The leader worked at a cybersecurity company between 2019 and 2022 before launching attacks in September 2025.

BleepingComputer26 Oct · 20:08 UTC
953 E-Commerce Stores Compromised in Long-Running Magento Campaignhighperson_alertThreat Actor
person_alertThreat Actor

953 E-Commerce Stores Compromised in Long-Running Magento Campaign

An unknown threat actor has been conducting a sustained campaign since July 2025 targeting e-commerce platforms, primarily Magento-based online stores. The actor demonstrates sophisticated operational security through scanner-evasion techniques and i…

Magento26 Oct · 17:12 UTC
PHP Windows packages ship Brotli RCE flaw via cURL auto-decompressionhighbug_reportVulnerability
bug_reportVulnerability

PHP Windows packages ship Brotli RCE flaw via cURL auto-decompression

PHP 8.2.35, 8.3.36, 8.4.27, and 8.5.12 official Windows builds (pre-rebuild). Affects systems using cURL extension with CURLOPT_ENCODING enabled or HTTP client libraries like Guzzle (default behavior) that enable automatic Brotli decompression.

CVE-2026-11149726 Oct · 16:45 UTC
Microsoft Teams External Chat Exploited for IT Support Impersonationhighperson_alertThreat Actor
person_alertThreat Actor

Microsoft Teams External Chat Exploited for IT Support Impersonation

Unknown threat actors conducting a recurring social engineering campaign across hundreds of incidents. The activity shows overlap with STAC4749, a tracked cluster known for creating IT-themed cloud domains under the ".top" TLD and using plausible emp…

Microsoft26 Oct · 14:52 UTC
Chinese national extradited from Netherlands for $37M crypto fraudhighpublicGeopolitical
publicGeopolitical

Chinese national extradited from Netherlands for $37M crypto fraud

This case exemplifies the transnational nature of cryptocurrency-enabled financial crime and the growing cooperation between Western jurisdictions in prosecuting such offenses.

BleepingComputer26 Oct · 12:56 UTC
Ovi Exposes uCreator Android Spyware Targeting Telegram and WeChathighperson_alertThreat Actor
person_alertThreat Actor

Ovi Exposes uCreator Android Spyware Targeting Telegram and WeChat

Ovi is a security researcher who discovered and analyzed the uCreator Android spyware kit in October 2026. Ovi is not a threat actor but rather the researcher who exposed this rentable spyware operation.

Telegram26 Oct · 08:54 UTC
Microsoft 365 AitM campaign compromises 97 accounts via token replayhighbug_reportVulnerability
bug_reportVulnerability

Microsoft 365 AitM campaign compromises 97 accounts via token replay

Microsoft 365 / Entra ID users across 79 organizations. Campaign active July 14 - September 22, 2026. 497 successful sign-ins from 200,000+ attempts originating from 193.26.115.0/24 IP range. 48 rogue Entra devices registered.

Microsoft26 Oct · 07:35 UTC
Gheist Campaign Steals GitHub Secrets via Automated Workflow Injectionhighperson_alertThreat Actor
person_alertThreat Actor

Gheist Campaign Steals GitHub Secrets via Automated Workflow Injection

Gheist is an automated campaign tracked since September 15, 2026, named after the user agent "gheist" observed in GitHub API requests. The campaign leverages stolen GitHub tokens to inject malicious workflows into private repositories and GitHub Ente…

GitHub26 Oct · 06:49 UTC
AI coding agents tricked into installing malware via planted instruction fileshighbug_reportVulnerability
bug_reportVulnerability

AI coding agents tricked into installing malware via planted instruction files

AI coding agents including OpenAI Codex and Anthropic Claude Code. Developers running agents in ~/Downloads folder are at risk. Attack leverages AGENTS.md/CLAUDE.md instruction files to install malicious npm package function-color (part of MALFEX cam…

npm26 Oct · 05:03 UTC
Unpatched Tailscale SSH flaws enable root escalation via port forwardinghighbug_reportVulnerability
bug_reportVulnerability

Unpatched Tailscale SSH flaws enable root escalation via port forwarding

Tailscale version 1.104.2 and headscale version 0.29.5. Affects networks with Tailscale SSH enabled and port forwarding configured. Headscale 0.29.5 cannot disable forwarding, making all SSH grants potentially exploitable.

Tailscale25 Oct · 16:44 UTC
North Korea Linked to PHP2Shell Scanning Campaign Targeting Global Infrahighperson_alertThreat Actor
person_alertThreat Actor

North Korea Linked to PHP2Shell Scanning Campaign Targeting Global Infra

North Korean threat actors, attributed with moderate confidence to operators within the Lazarus Group ecosystem, are conducting a deliberate, low-and-slow scanning campaign targeting vulnerable PHP infrastructure globally.

The Hacker News25 Oct · 16:19 UTC
Malicious AGENTS.md files hijack AI coding agents via Downloads folderhighbug_reportVulnerability
bug_reportVulnerability

Malicious AGENTS.md files hijack AI coding agents via Downloads folder

AI coding agents including OpenAI Codex, Claude Code, and Cursor CLI when launched from ~/Downloads directory. Browsers Chrome, Edge, and Firefox allow silent file downloads to this location.

npm25 Oct · 14:49 UTC
Brotli decoder memory corruption enables RCE in Node.js, Bun, Python, Envoyhighbug_reportVulnerability
bug_reportVulnerability

Brotli decoder memory corruption enables RCE in Node.js, Bun, Python, Envoy

Google Brotli C library 1.0.3–1.2.0; Node.js 22.x, 24.x, 26.x (pre-patch); Bun ≤1.4.3; Envoy 1.36–1.39 (if Brotli enabled); Istio 1.29–1.31 (if Brotli enabled); Python Brotli ≤1.2.0 and brotlicffi ≤1.2.0.x; cdxgen ≤13.4.0/12.8.8.

CVE-2026-11149724 Oct · 09:09 UTC
Abandoned Popcorn Time fork updater posed botnet risk to 2-3M systemshighbug_reportVulnerability
bug_reportVulnerability

Abandoned Popcorn Time fork updater posed botnet risk to 2-3M systems

Time4Popcorn (abandoned Popcorn Time fork): Windows versions ≤6.2.1.18, Mac ≤6.2.1.17, Android ≤3.5.0.173. Updater.exe ran with SYSTEM/root privileges, checked for updates over unencrypted HTTP to abandoned domains.

Eye Security24 Oct · 07:04 UTC
Time4Popcorn updater flaw enabled RCE with elevated privilegeshighbug_reportVulnerability
bug_reportVulnerability

Time4Popcorn updater flaw enabled RCE with elevated privileges

Time4Popcorn app (Popcorn Time fork), all versions with vulnerable updater mechanism. Millions of devices potentially affected. Application is abandoned and no longer maintained.

Time4Popcorn23 Oct · 18:55 UTC
INC & The Gentlemen Affiliates Deploy AI-Driven Phantom Frameworkhighperson_alertThreat Actor
person_alertThreat Actor

INC & The Gentlemen Affiliates Deploy AI-Driven Phantom Framework

INC and The Gentlemen are Russian-speaking ransomware affiliate groups operating an AI-driven intrusion ecosystem. These actors function both as intrusion and data-extortion operators and as infrastructure providers supporting multiple partners acros…

The Hacker News23 Oct · 15:50 UTC
Quest Diagnostics breach exposes patient data via Quanum LSM platformhighpublicGeopolitical
publicGeopolitical

Quest Diagnostics breach exposes patient data via Quanum LSM platform

The breach at Quest Diagnostics, which serves approximately one-third of U.S. adults annually, underscores the persistent vulnerability of critical healthcare infrastructure to unauthorized access.

Quest Diagnostics23 Oct · 14:40 UTC
PHP RCE flaw CVE-2026-115560 affects rare configs, no patch yethighbug_reportVulnerability
bug_reportVulnerability

PHP RCE flaw CVE-2026-115560 affects rare configs, no patch yet

PHP installations with non-default session configuration: session.serialize_handler set to php_binary or php_serialize, then switched to php at runtime via ini_set() before session_start(), and session upload progress enabled.

PHP23 Oct · 13:38 UTC
Threat actor k0t exploits Fortinet and Palo Alto firewalls, exposes 70K credshighbug_reportVulnerability
bug_reportVulnerability

Threat actor k0t exploits Fortinet and Palo Alto firewalls, exposes 70K creds

Fortinet FortiGate and FortiWeb firewalls, Palo Alto Networks GlobalProtect, PAN-OS, and Prisma Access. Exploited vulnerabilities: CVE-2025-64446 (FortiWeb path traversal) and CVE-2026-0257 (PAN-OS/Prisma Access authentication bypass).

Fortinet23 Oct · 11:50 UTC
PHP warns of unpatched RCE flaw affecting uncommon configurationshighbug_reportVulnerability
bug_reportVulnerability

PHP warns of unpatched RCE flaw affecting uncommon configurations

PHP web applications with specific configuration: session.serialize_handler set to php_binary or php_serialize, then changed to php via ini_set() before session_start(), with session upload progress enabled.

CVE-2026-11556023 Oct · 09:25 UTC
Sandworm and UAC-0099 Deploy Mesh Network Backdoor in Ukraine Wiper Attackhighperson_alertThreat Actor
person_alertThreat Actor

Sandworm and UAC-0099 Deploy Mesh Network Backdoor in Ukraine Wiper Attack

Sandworm is a Russian state-sponsored APT group known for destructive cyber operations, particularly against Ukrainian critical infrastructure. In this operation, Sandworm collaborated with UAC-0099 (aka Earth Sirrush), another Russia-aligned threat…

The Hacker News23 Oct · 09:11 UTC
11 critical flaws in CGM CLININET enable RCE and data thefthighbug_reportVulnerability
bug_reportVulnerability

11 critical flaws in CGM CLININET enable RCE and data theft

CGM CLININET healthcare software: all versions before 2026.MS3 affected by most vulnerabilities. CVE-2025-30049 fixed in 2026.MS1 and 2026.MS3. Multiple vulnerabilities (CVE-2025-30045, CVE-2025-30046, CVE-2025-30052, CVE-2025-30053, CVE-2025-30054,…

CVE-2025-3004323 Oct · 08:55 UTC
x402 SDK flaws let malicious APIs drain AI agent wallets, bypass paymentshighbug_reportVulnerability
bug_reportVulnerability

x402 SDK flaws let malicious APIs drain AI agent wallets, bypass payments

x402 SDKs (TypeScript, Python, Go) prior to August 18, 2024 releases. Specifically: @x402/core, @x402/svm, @x402/extensions, @x402/fetch, @x402/axios versions before 2.23.0 (TypeScript); Python package before 2.25.0; Go module before v2.28.0.

x40223 Oct · 06:35 UTC
PHP2Shell RCE flaws exploited to deploy Mirai botnet, attacks unsuccessfulhighbug_reportVulnerability
bug_reportVulnerability

PHP2Shell RCE flaws exploited to deploy Mirai botnet, attacks unsuccessful

PHP versions prior to 8.5.12, 8.4.27, 8.3.36, and 8.2.35. Vulnerabilities CVE-2026-109618 and CVE-2026-109619 (CVSS 9.2) enable unauthenticated remote code execution via crafted HTTP requests.

CVE-2026-10961823 Oct · 05:40 UTC
Capcom breach exposes 11.7M accounts; Japan gaming sector targeted againhighpublicGeopolitical
publicGeopolitical

Capcom breach exposes 11.7M accounts; Japan gaming sector targeted again

The breach of Capcom's CAPCOM ID service represents the second significant compromise of the Japanese gaming giant in six years, following a 2020 Ragnar Locker ransomware incident.

Capcom22 Oct · 18:22 UTC
New Mexico Court Orders Meta to Pay $25B for Cambridge Analytica ViolationshighpublicGeopolitical
publicGeopolitical

New Mexico Court Orders Meta to Pay $25B for Cambridge Analytica Violations

The ruling represents a significant escalation in U.S. state-level enforcement against major technology platforms, following federal actions that resulted in a $5 billion FTC fine in 2019 and an $18 billion multi-state settlement in August 2026.

Meta22 Oct · 14:12 UTC
Multiple high-severity vulnerabilities in Node.js require immediate patchinghighbug_reportVulnerability
bug_reportVulnerability

Multiple high-severity vulnerabilities in Node.js require immediate patching

Node.js - specific versions not provided in advisory. All Node.js deployments should be evaluated for patch applicability.

Node.js22 Oct · 13:19 UTC
CleanShot X deserialization flaw enables code execution via malicious fileshighbug_reportVulnerability
bug_reportVulnerability

CleanShot X deserialization flaw enables code execution via malicious files

MTW CleanShot X for macOS versions 4.0.0 through 4.5.2. Fixed in versions 4.5.2, 4.6.3, 4.7.8, and 4.8.10. Affects users who open .cleanshot project files from untrusted sources.

CVE-2026-1647722 Oct · 11:55 UTC
INTERPOL disrupts 10,909 cybercrime networks, arrests 1,462 in 21 countrieshighbug_reportVulnerability
bug_reportVulnerability

INTERPOL disrupts 10,909 cybercrime networks, arrests 1,462 in 21 countries

Global cybercrime infrastructure across 21 African and international countries. Targeted networks include phishing operations, business email compromise (BEC), investment fraud schemes, illegal cryptocurrency mining, and botnet infrastructure.

The Hacker News22 Oct · 11:38 UTC