Mozilla and the Chrome Root Program confirmed on October 20 that the private keys of eight eMudhra intermediate CA certificates (emSign brand) are compromised. Anyone holding these keys could issue certificates for any website that a browser would accept. A researcher credited as "Wayne" reported the compromise on October 17, and Chrome a…
A Chinese-speaking operator used the open-source AI agent framework Cairn to run autonomous attacks against more than 1,200 sites, reaching websites of over 100 companies, including Deere, SharkNinja and Cummins. Researcher Snorre Fagerland of NorForge found the operation around 2 October 2026 by scanning for about two dozen exposed Cairn…
Researchers at Horizon3.ai have published a proof-of-concept exploit for CVE-2026-106173 (CVSS 9.4), a critical path traversal flaw in Fortinet FortiSIEM that lets an unauthenticated attacker achieve remote code execution through specially crafted packets. Fortinet patched the flaw last week. The public PoC lowers the barrier to exploitat…
The Citizen Lab reported on October 19 that 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 finding came six days before Serbia's October 25 snap parliamentary election. The infection used a zero-clic…
Symantec reports that the Russia-linked APT28 (aka BlueDelta, Fancy Bear, Forest Blizzard), tracked by Symantec as Swallowtail, targeted entities in two NATO member states. Victims include a law enforcement agency, a naval shipbuilder and a manufacturer of military aircraft engines. In the shipbuilder intrusion in late July 2026, operator…
ConnectWise said it is still responding to a security incident involving unauthorized access to application identities tied to Cloud Backup. The incident was identified on October 14, 2026, and mitigations began rolling out on October 17. The company has disabled the affected application connections, suspended Cloud Backup, and suspended …
On October 20, the Go team released Go 1.27.3 and Go 1.26.10 on its URGENT track. The certificate verifier now rejects any chain passing through one of eight intermediate CA keys, citing unspecified "specific security concerns around their operation." A commenter on the Go issue matched the SHA-256 key hashes to intermediates of the India…
WhatsApp help pages carried hidden instructions for its WhatsApp Support with AI chatbot. They told it not to recommend a data protection authority to users who could not delete their accounts, and not to cite privacy laws such as the GDPR once a user mentioned a lawyer, lawsuit or court. This contradicts WhatsApp's privacy policy for Eur…
This vendor-authored article from Tines, published on The Hacker News, discusses "wild code": AI-assisted apps, agents and automations that employees build faster than security teams can own, secure and maintain them. It describes no specific incident, vulnerability or threat actor. The risks it names are excessive permissions, sensitive …
On 19 October 2026 an attacker used a hijacked contributor's GitHub account to replace the download archives on five existing releases (v0.11.0 to v0.15.0) of OVHcloud CLI. The swapped files were a build designed to steal secrets stored on the disk of any machine that ran it. They were live from 12:47 to 14:21 UTC (up to 94 minutes) for m…
A U.S. court on Monday granted the government's request to detain Abdulrahman Alfozan, a 35-year-old Saudi national and former OpenAI engineer, accused of planting a concealed audio recorder in an executive conference room at the company's San Francisco office. A prosecution filing says he was in frequent WhatsApp contact in 2025-2026 wit…
Forescout Research - Vedere Labs disclosed ROMULUS, a ClickFix delivery platform that uses bogus landing pages with ClickFix-style lures to trick users into running malicious commands that infect their own machines. It is used to distribute malware such as Legion Loader (also tracked as Satacom downloader, CurlyGate and RobotDropper). For…
Proofpoint disclosed an active campaign, tracked as UNKCondorFiltration, that used the TeamFiltration offensive framework against more than 5,700 accounts across 28 Microsoft 365 tenants. It focused mainly on Chilean retail and financial institutions and originated from 1,487 unique AWS EC2 IP addresses. Seven accounts were compromised, a…
Citizen Lab reported that Israeli mercenary spyware vendor Candiru infected devices at Al Jazeera through targeted online ads that needed no user interaction. It calls this the first public technical confirmation of mercenary spyware reaching real devices via ad delivery. At least 45 Al Jazeera devices were targeted in 2024 and 2025, and …
Qilin and Settra ransomware groups are actively exploiting CVE-2026-0257, an authentication bypass in PAN-OS GlobalProtect and Prisma Access disclosed in May 2026, according to ReliaQuest. Because access arrives through the victim's own VPN, it can resemble legitimate remote work and go unnoticed until credential theft, lateral movement, …
Infoblox links the long-running Help TDS traffic distribution system, active since at least 2017, to the Russian-language affiliate program Hotejka, assessed with high confidence to be a rebrand of the traffic monetization operation ROI777. Help TDS supplies PHP templates and a malicious WordPress plugin that affiliates install on comprom…
NGINX released versions 1.30.6 (stable) and 1.31.7 (mainline) on October 14 to fix five vulnerabilities, one of which has been present in every release since May 2005. Three are memory-corruption bugs that F5 says could crash a worker process or possibly allow code execution. A fourth is a TLS session-ticket flaw that may let a forged ses…
Silent Lynx, tracked as UAT-6275 by Cisco Talos and TAG-193 by Recorded Future Insikt Group, has been linked to a new set of attacks on government organizations across the Commonwealth of Independent States. The activity ran from June 2025 through August 2026 and used four infection chains to deploy custom reverse shells (FoalShell, Chvos…
Researchers at SafeDep identified imgdecode, a malicious npm package tied to the long-running MALFEX supply chain campaign first documented by Checkmarx and CloudSEK. Published on September 30, 2026 by user "malfexteste8", it has been downloaded 979 times and was still available at the time of reporting (latest version 1.0.3). MALFEX has …
An active supply chain attack is abusing a compromised credential for the ConnectWise Cloud Backup (formerly SkyKick) Microsoft 365 OAuth application, giving unknown actors access to customer tenants. Huntress confirmed unauthorized sign-ins in 173 partner/customer tenants, and Microsoft reports broad successful service principal authenti…