Security Affairs

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds DD-WRT, Langflow, and WordPress flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added DD-WRT, Langflow, and WordPress flaws to its Known Exploited Vulnerabilities (KEV) catalog. Below are the flaws added to the KeV catalog: The first issue added to the catalog […]

OpenAI confirmed its AI models exploited zero-days during internal testing, reaching Hugging Face servers in an unintended real-world cyberattack. OpenAI admitted on July 21 that its own AI models, including GPT-5.6 Sol and an unnamed pre-release system, were behind the cyberattack on Hugging Face disclosed the previous week. The models weren’t acting under attacker control. […]

Critical SharePoint RCE vulnerability CVE-2026-50522 is under active exploitation after the release of a PoC exploit code. A critical Microsoft SharePoint vulnerability, tracked as CVE-2026-50522 (CVSS score of 9.8), is being actively exploited following the release of a public proof-of-concept (PoC) code, according to watchTowr researchers. Patched in Microsoft’s July 2026 Patch Tuesday, the deserialization […]

Zimbra patched nine flaws in version 10.1.20, including a critical SNMP monitoring command injection issue enabling arbitrary command execution. Zimbra released version 10.1.20 to fix nine security vulnerabilities, including a critical command injection flaw in the SNMP monitoring component. The vulnerability affects systems with SNMP notifications enabled and could allow attackers to execute arbitrary commands. […]

Qilin ransomware exploits the PAN-OS GlobalProtect flaw CVE-2026-0257 to gain unauthorized VPN access to unpatched networks. Arctic Wolf researchers warn that the Qilin ransomware gang is exploiting the critical PAN-OS GlobalProtect vulnerability CVE-2026-0257 to compromise corporate networks. CVE-2026-0257 is a PAN-OS authentication bypass vulnerability affecting GlobalProtect portals and gateways. Palo Alto Networks addressed the vulnerability on May […]

Attackers are exploiting critical ServiceNow flaw CVE-2026-6875, allowing unauthenticated remote code execution on self-hosted instances. Searchlight Cyber researchers disclosed a critical pre-authentication remote code execution vulnerability, tracked as CVE-2026-6875, in the ServiceNow AI Platform on July 14. The same day, ServiceNow released patches for self-hosted instances. Since July 17, attackers have started exploiting it in […]

Dutch intelligence says Russia hacks IP cameras to monitor NATO military logistics and weapons shipments to Ukraine. The Netherlands’ AIVD and MIVD, the civilian and military intelligence services, published a joint advisory on July 10 confirming that at least one Russian intelligence service is systematically compromising internet-connected IP cameras across the Netherlands, other EU and […]

7-Zip fixed a vulnerability that could let attackers run code by tricking users into opening malicious XZ-compressed archive files. 7-Zip released version 26.02 to address a remote code execution vulnerability in its handling of XZ-compressed data. The flaw, discovered by researcher Landon Peng, can be triggered through a specially crafted archive. If a user opens […]

F5 fixes critical nginx flaw CVE-2026-42533 that can crash servers and, in some cases, allow remote code execution through crafted HTTP requests. F5 released patches for a critical nginx vulnerability, tracked as CVE-2026-42533 (CVSS score of 9.2), that can allow an unauthenticated attacker to trigger a heap buffer overflow using specially crafted HTTP requests. “heap […]

Hugging Face says an autonomous AI agent breached part of its production infrastructure and accessed internal data and service credentials. Hugging Face is one of the world’s leading open-source AI companies. It provides a platform where developers and organizations can build, share, and deploy machine learning and generative AI models. Hugging Face disclosed that an […]

Unknown hackers exploited two SonicWall SMA 1000 zero-days to gain root access on VPN appliances before patches became available. Volexity published its findings after conducting an incident response investigation involving a compromised organization whose SonicWall SMA 1000 series VPN appliances were hit with zero-day exploits starting June 22, 2026. The threat actor, which Volexity tracks […]

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter CrashStealer: C++ macOS infostealer posing as crash reporter Lucide Proxy: Turning Student Web Proxies into DDoS Bots       AsyncAPI npm organization compromised, 2M weekly downloads affected   OkoBot: new sophisticated malware framework targets cryptocurrency users  […]

A new round of the weekly Security Affairs newsletter has arrived! Every week, the best security articles from Security Affairs are free in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press. OpenSSL Fixes HollowByte Memory Exhaustion Bug Daxin: 13-Year-Old China-Linked Malware Found Still Active on Manufacturer’s Network […]

Public exploits are now available for two critical WordPress flaws that attackers can chain to gain remote code execution without authentication. Public proof-of-concept exploits are now available for the critical wp2shell vulnerabilities affecting WordPress Core. The flaws, tracked as CVE-2026-63030 and CVE-2026-60137, can be chained to achieve pre-authentication remote code execution on default WordPress installations […]

Okta disclosed HollowByte, an 11-byte OpenSSL flaw that lets remote attackers exhaust server memory and trigger denial-of-service attacks. Okta’s Red Team disclosed a denial-of-service vulnerability in OpenSSL they named HollowByte, and the attack payload is exactly 11 bytes. A remote, unauthenticated attacker sends that payload and the server allocates up to 131 KB of memory […]

Researchers found China’s Daxin rootkit and a new Stupig backdoor on a Taiwan firm’s network, suggesting a stealthy intrusion dating back to 2013. Symantec’s Threat Hunter Team found Daxin running on a compromised host at a Taiwan-based subsidiary of a multinational high-tech manufacturer in 2026. Daxin is a Windows kernel-mode rootkit that Symantec first documented […]

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Fortinet FortiSandbox and Microsoft SharePoint flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added Fortinet FortiSandbox and Microsoft SharePoint flaws to its Known Exploited Vulnerabilities (KEV) catalog. This week, Microsoft’s July 2026 Patch Tuesday addressed the SharePoint remote code execution bug […]

Ernst & Young (EY) disclosed a data breach after attackers compromised a third-party IT support system containing client documents and tax information. Ernst & Young (EY) is disclosed a data breach linked to a compromised third-party support ticket system used by its IT teams. The platform stored support requests that may have included documents containing […]

A cyberattack hit one of Japan’s largest food companies, Nichirei, disrupting logistics and shipments. The company is gradually restoring operations. Nichirei is one of Japan’s largest food companies, best known for its frozen food business. Founded in 1942 and headquartered in Tokyo, it operates globally through dozens of subsidiaries. The food giant confirmed that the […]

Russian-speaking UAT-11795 spreads trojanized Zoom, Webex, and MobaXterm installers to deliver Starland RAT and the WLDR memory-only implant. Cisco Talos researchers published a detailed technical report on July 16 disclosing UAT-11795, a financially motivated, Russian-speaking threat actor that has been running a malware campaign against users in the United States and Europe since at least […]