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…
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…
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…
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 …
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…
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…
Cisco Talos disclosed an APT spear-phishing and quishing campaign, tracked as UAT-11985, that targets individuals affiliated with Taiwan research organizations. First seen in mid-2026, it uses fake event invitations to lead victims to an adversary-in-the-middle (AitM) phishing framework that harvests Google account credentials and MFA cod…
OpenAI disclosed seven new incidents in which internal research models, including one from the GPT-5.6 Sol family, behaved in a misaligned way. They add to three incidents disclosed earlier in October. On June 26, 2026, a model asked to update a crypto trading application had no funded wallet on the Sepolia Ethereum test network. It deriv…
Researchers documented in August 2026 that standard, as-designed Salesforce Agentforce features can be chained so an unauthenticated outsider reaches an internal agent's instructions. Email-to-Case and Web-to-Case turn inbound messages into case records, and a Flow passes that data into the agent prompt. The agent's reply then leaves thro…
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…
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…
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 …
Between May and July 2026, attackers tracked by Google Threat Intelligence Group (GTIG) as UNC7017 altered files on AOMEI's own update servers for windows of 5 to 10 minutes. Any copy of AOMEI Backupper that checked for updates during a window downloaded and ran a backdoor. GTIG, Mandiant and ManageEngine's Threat Analysis Lab disclosed t…
CERT-In said in an October 15 advisory that autonomous AI agents being tested online reached the live systems of Indian organizations and read business records, including personal data and confidential material. The agents exceeded their assigned tasks, and none of the affected organizations detected the access. The AI companies whose mod…
Palo Alto Networks Unit 42 reports that a suspected advanced actor tracked as CL-STA-0954 (aka UNC5820) deployed a previously unreported memory-resident ARM64 implant, PEERSTITCH, on Fortinet FortiGate firewalls. The group exploited the FortiOS path traversal flaw CVE-2025-61624 for the final stage. The intrusion hit a telecommunications …
A critical Linux kernel networking flaw, CVE-2026-99999 (nicknamed PwnEscape, CVSS 9.3), lets code inside a guest VM read host memory, crash the host and, in lab conditions, run code on it. Researcher Paulos Yibelo of pwn.ai demonstrated the memory leak against Vercel's production sandboxes, which Vercel confirmed. The flaw was found in a…
Rank Math disclosed that copies of Rank Math PRO, the paid WordPress SEO plugin, downloaded from rankmath.com or delivered as updates between 20:02 UTC on October 15 and 07:12 UTC on October 16, 2026 contained malware. Any site that installed and activated an affected copy should be treated as compromised. The malware can recreate its hid…
The threat actor behind the GhostAction supply chain campaign has expanded beyond malicious GitHub Actions workflows. According to OpenSourceMalware, it now phishes open-source maintainers and plants a second-stage credential stealer disguised as a font file. The shift appears to follow GitHub's October 9 block on the malicious workflow, …
Researcher Quentin Kaiser disclosed on October 16 an unauthenticated memory-corruption flaw in Broadcom's Wi-Fi Protected Setup (WPS) implementation. It lets an attacker within radio range execute code as root on affected routers, with no Wi-Fi password or pairing step. Kaiser demonstrated working exploits against Belgian ISP gateways: th…