Latest Cybersecurity News and Articles
29 June 2026
A public proof-of-concept is now out for CVE-2026-55200, a critical flaw in libssh2 that lets a malicious or compromised SSH server trigger memory corruption on a connecting client, with possible code execution. No credentials, no user interaction. The bug affects every release up to and including 1.11.1 and carries a CVSS 4.0 score of 9.2.
libssh2 is a client-side SSH library, not a server.
29 June 2026
Cybersecurity researchers have uncovered two hijacked npm packages and a cluster of Go packages that are designed to deploy a Python-based information stealer on compromised Windows, Linux, and macOS hosts.
"This attack avoids the most common npm execution paths through lifecycle scripts, perhaps in an attempt to remain 'compatible' with npm v12's security hardenings," JFrog said in a
27 June 2026
The Security Service of Ukraine (SSU) said it, together with the U.S. Federal Bureau of Investigation (FBI), uncovered a long-running campaign orchestrated by Russian intelligence services to break into the messaging accounts of government officials, military personnel, politicians, and activists in Ukraine, Europe, and the U.S.
The systematic cyber attacks aimed at stealing sensitive
27 June 2026
OpenAI on Friday released three versions of GPT-5.6, called Sol, Terra, and Luna, as a limited preview to a small number of companies as part of an ongoing engagement with the U.S. government.
While Sol is the latest flagship model and the most powerful, Terra strikes a balance between efficiency and power, and Luna is fine-tuned for speed and affordability.
"GPT‑5.6 Sol launches with our most
27 June 2026
Threat actors are selling investment scam templates created using the legitimate DCloud Uni-App toolkit.
The post Chinese Framework Powers 200,000 Scam Sites appeared first on SecurityWeek.
26 June 2026
The FBI and CISA have updated their March warning about Russian intelligence phishing Signal accounts, and the operators have added a step: they now coax targets into handing over their Signal Backup Recovery Key.
Hand it over once, and the attacker can restore the account's backup, read the private and group message history, and take over the account. Worse, the key keeps working.
26 June 2026
A newly discovered cyber attack campaign has been observed delivering a previously undocumented malware family called SharkLoader that acts as a loader for deploying Cobalt Strike Beacon on compromised hosts.
Kaspersky, which is tracking the activity under the moniker StrikeShark, said the campaign has targeted a diplomatic organization in Indonesia, government organizations in Taiwan,
26 June 2026
A Chinese-speaking advanced persistent threat (APT) actor has been linked to a new custom backdoor called TinyRCT as part of cyber attacks aimed at government entities and critical infrastructure in Southeast Asia.
The activity, particularly aimed at state-owned enterprises in the energy and government sectors, has been attributed to a threat actor called CL-STA-1062, which Palo Alto Networks
26 June 2026
AWS has patched the vulnerability and published its own advisory to inform customers about the potential impact.
The post Amazon Q Flaw Enabled Cloud Credential Theft via Malicious Repositories appeared first on SecurityWeek.
26 June 2026
Roughly two dozen companies have notified their customers of the Klue-Salesforce incident impact.
The post More Klue Breach Victims Identified as Hackers Get Hacked appeared first on SecurityWeek.
26 June 2026
Other noteworthy stories that might have slipped under the radar: Russia used Cellebrite to hack activist’s phone, Five Eyes issue urgent AI threat warning, macOS Gaslight backdoor, Scattered Spider guilty pleas.
The post In Other News: Chinese Mythos-Like AI, Tata Electronics Breach, Snyk Layoffs appeared first on SecurityWeek.
26 June 2026
A high-severity flaw in Amazon Q Developer let a malicious repository run commands and steal a developer's cloud credentials. The path was short: a developer opens the repo, trusts the workspace, and Amazon Q does the rest. Amazon has patched it.
Tracked as CVE-2026-12957 (CVSS 8.5), the bug sat in how Amazon's AI coding assistant handled Model Context Protocol (MCP) servers.
Wiz
26 June 2026
A flaw in the Linux kernel's traffic-control subsystem can let a local unprivileged user gain root on affected systems.
CVE-2026-46331, nicknamed "pedit COW," is an out-of-bounds write in the packet-editing action (act_pedit) that corrupts shared page-cache memory. A public, working exploit appeared within a day of the CVE assignment on June 16. Red Hat rates the flaw as
26 June 2026
The cybersecurity startup provides threat hunting, proactive detection, and behavioral security analytics.
The post Nebulock Raises $25 Million for AI-Native Contextual Security appeared first on SecurityWeek.
26 June 2026
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday added a critical remote code execution vulnerability impacting PTC Windchill PDMlink and PTC FlexPLM enterprise Product Data Management (PDM) and Product Lifecycle Management (PLM) software to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation.
The vulnerability in question is
26 June 2026
DirtyClone is a new Linux kernel privilege escalation in the DirtyFrag family. JFrog Security Research published a working exploit walkthrough for the flaw on June 25, the first public demonstration for this variant.
Tracked as CVE-2026-43503 (CVSS 8.8), it lets a local user corrupt file-backed memory through a cloned network packet and gain root. The patch landed in
26 June 2026
AI agents are moving through enterprise environments, inheriting permissions, traversing systems, and executing decisions at machine speed with minimal oversight. The identity infrastructure built to govern human access wasn't designed for autonomous actors, and the gap between what enterprises are deploying and what their governance programs actually cover is widening fast. This guide breaks
26 June 2026
It will provide the tools and channels to report, patch, and disclose open source software vulnerabilities.
The post Linux Foundation Unveils New Open Source Security Project Akrites appeared first on SecurityWeek.
26 June 2026
Cybersecurity researchers have flagged yet another evolution of the supply chain attack linked to the Mini Shai-Hulud, Miasma, and Hades malware family that has compromised a new set of npm packages, even as it has propagated to the Go ecosystem.
"The latest activity includes malicious npm releases affecting LeoPlatform and RStreams packages, GitHub Actions workflow abuse, and a related Go
26 June 2026
The decentralized prediction market said hackers targeted some of its users through a compromise of a third-party vendor.
The post $3 Million Reportedly Stolen in Polymarket Hack appeared first on SecurityWeek.