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Apache disclosed eight vulnerabilities in Apache Tomcat, three rated Important and five rated Low. They cover authentication bypass, cross-user data exposure, insecure socket access and cryptographic configuration failures. Fixes are in Tomcat 11.0.27, 10.1.61 and 9.0.123, depending on the branch. Exposure depends on the component and con…
Oracle published its October 2026 Critical Patch Update on October 20, delivering 1,295 security patches across Oracle software and third-party components. Several fixes address critical flaws that can be exploited remotely without authentication, affecting databases, middleware, business applications, Java, MySQL and virtualization platf…
Horizon3.ai has released a public proof-of-concept exploit for CVE-2026-106173, a critical flaw in Fortinet FortiSIEM that lets unauthenticated attackers turn an arbitrary file write into remote code execution. Researcher Zach Hanley published the technical analysis on October 20, following Fortinet's advisory FG-IR-26-180 of October 13. …
Swallowtail (also tracked as APT28, Fancy Bear and Forest Blizzard), a Russian espionage group linked by the U.S. government to the GRU, targeted organizations in two NATO member states. Victims included a law enforcement agency, a naval shipbuilder and a manufacturer of military aircraft engines. Symantec's Threat Hunter Team reported th…
Researchers at Claroc disclosed GhostShares, a privacy flaw in Meta's Muse AI assistant that let outsiders discover shared conversations through passive DNS records. Muse built share URLs under cf.metaaiusercontent.com with the conversation title and a random identifier embedded in the hostname, so any hostname recorded by a passive DNS p…
Attackers compromised 333 Tor exit nodes, roughly 10% of the network's ~3,000 exit relays, to intercept SSH connections, harvest passwords and attempt to install the Ebury Linux backdoor. A researcher's account published on October 20, 2026 says the attackers accessed the underlying servers in August and began coordinated interception on …
Rust 1.100, scheduled for November 12, 2026, will stabilize Cargo dependency cooldowns. Developers can reject newly published crate versions until they reach a configurable minimum age. The aim is to give researchers, maintainers and registries time to detect malicious releases before automated updates spread them across development envir…
Microsoft Security Response Center (MSRC) announced on October 20, 2026 that it is replacing the multiple report quality levels in its bug bounty programs with two assessments: "Complete" and "Not Complete". The rules apply to reports submitted on or after October 20, 2026, 8 AM Pacific Time. Earlier submissions remain under the previous …
SOCRadar's Threat Research Unit (STRU) found open directories on 45.227.254.43 in late September 2026. They led to six more adversary servers tied to INC Ransom and The Gentlemen affiliates. The servers held 8,257 AI messages across 133 sessions, source code, stolen credentials, victim workspaces and 46 victim-specific INC encryptor build…
Researchers found that the private keys of eight eMudhra intermediate CA certificates could be recovered from public certificate data. Each P-384 key was an integer below 256, so near-instant recovery by simple enumeration or a discrete logarithm algorithm was possible. The incident was disclosed on October 20, 2026, and Mozilla, Google, …
The U.S. Department of Homeland Security (DHS) has issued a Federal Acquisition Supply Chain Security Act (FASCSA) order directing federal civilian agencies to remove DeepSeek AI products from their IT systems and to stop acquiring them. The notice is due to be published in the Federal Register on October 20, 2026 and names Hangzhou DeepS…
OpenAI announced an expanded ChatGPT integration for Google Chrome with two workflows. "Chat" reads content from open tabs to inform answers. "Work" controls tabs to send messages, fill out forms, download files, and organize or group tabs. The article presents this as a change that combines browser visibility with delegated actions, rais…
Researchers describe WP2Shell, a chain of two WordPress core flaws, CVE-2026-63030 and CVE-2026-60137, that lets unauthenticated attackers progress from public REST API endpoints to remote code execution. It affects default installations with no third-party plugin required. Public exploit code exists and exploitation attempts have been ob…
Rank Math reported a security incident in which its premium Rank Math PRO WordPress plugin, version 3.0.123, was distributed with malware. Sites are at risk if administrators activated the compromised version. The affected download window ran from October 15, 2023 20:02 UTC to October 16, 2023 07:12 UTC (dates as stated in the article), a…
Scammers abused a legitimate spend-management platform as part of a fraud operation. They used its notification system to send phishing messages and its open-banking account linking to validate stolen banking credentials. Group-IB documented the activity in a client environment after the platform reported suspicious payment notifications …
OVHcloud disclosed a supply-chain attack on its command-line interface (CLI) repository on GitHub. An attacker used a compromised developer's GitHub account to insert a malicious binary designed to retrieve secrets from users' disks. CEO Octave Klaba confirmed the incident on 19 October 2026 after a customer report. The compromised releas…
Microsoft Threat Intelligence reports active exploitation of CVE-2026-73570, a command injection flaw in Zimbra Collaboration Suite that allows unauthenticated, zero-click compromise of internet-facing email servers. Attackers deployed webshells, escalated privileges, harvested authentication secrets and staged mailbox data across organiz…
Zscaler ThreatLabz's 2026 Ransomware Report describes ransomware operators using generative AI to sharpen phishing, speed up reconnaissance and pick out the most sensitive corporate data to steal. The report records 896.2 TB exfiltrated by the top 10 ransomware groups between April 2025 and March 2026. The article cites a 275.8% annual in…
A Mac user (Reddit u/UntilHEX) reported that Anthropic's Claude Code found an unauthorized XMRig cryptominer while helping build a temperature-monitoring app. Abnormally high sensor readings led the assistant to inspect running processes and identify XMRig as the cause of roughly 1,175% CPU use, or nearly 12 saturated cores. The finding i…
ThreatBook announced RedAgents on October 16, 2026. It is a SaaS platform that runs several AI penetration testing agents in parallel against authorized targets and shows the findings in one interface. The platform combines Artex Pro, Cyber(YanJi), Yanxun and CyberStrikeAI Enterprise Edition. ThreatBook says that combining agents improves…
