Latest cybersecurity reporting from selected sources.

Today is Microsoft's July 2026 Patch Tuesday, and with it comes security updates for a record-breaking 570 flaws, including two zero-day vulnerabilities exploited in attacks and one publicly disclosed. [...]

Security firm Coinspect has disclosed a crypto wallet flaw it calls Ill Bloom, and attackers are already using it. The flaw is in how some wallet software generated its recovery phrase, the words that control the money. When that phrase is made with weak randomness, an attacker can work it out and take everything it controls

Unauthenticated Flaw Allows Full Router, Network TakeoverA hidden backdoor, disclosed by CERT/CC and found in multiple firmware versions made by Chinese manufacturer Tenda, bypasses authentication and could grant attackers administrative access. Researchers are reporting exploitation and an Nmap script is making vulnerable devices easier to identify.

Unauthenticated Flaw Allows Full Router, Network TakeoverA hidden backdoor, disclosed by CERT/CC and found in multiple firmware versions made by Chinese manufacturer Tenda, bypasses authentication and could grant attackers administrative access. Researchers are reporting exploitation and an Nmap script is making vulnerable devices easier to identify.

Researchers at Nebula Security have disclosed GhostLock (CVE-2026-43499), a 15-year-old Linux kernel flaw that lets any logged-in user take full root control of a machine that has not been patched

Cybersecurity researchers have disclosed details of a now-patched critical session isolation vulnerability in Writer, an enterprise generative artificial intelligence (AI) platform, that could result in cross-tenant compromise

Attackers wasted little time targeting the latest memory disclosure flaw in Citrix's NetScaler products, after researchers published a proof-of-concept exploit (PoC).

Threat actors have been observed attempting to exploit a recently patched critical security flaw in Gitea Docker images, according to Sysdig

runZero found 7 flaws in FatFs, a filesystem used in IoT and embedded devices. Bugs can cause memory corruption, crashes, or data leaks via crafted storage. Cybersecurity firm runZero has disclosed seven vulnerabilities in FatFs, a compact open-source library that lets embedded devices read and write FAT and exFAT formatted storage, the same formats used […]

Bad Epoll (CVE-2026-46242) lets local attackers gain root on Linux and Android. The flaw was missed by AI but found by a security researcher. A newly disclosed Linux kernel vulnerability, named Bad Epoll (CVE-2026-46242), allows a local attacker with no special privileges to gain full root access on affected Linux systems and Android devices. Security updates are […]

Security firm runZero has disclosed seven vulnerabilities in FatFs, a small filesystem library that lets a device read and write the FAT and exFAT formats used on USB drives and SD cards

An unknown threat actor has been observed exploiting a recently disclosed maximum-severity security flaw in SimpleHelp to deliver two previously unreported malware families, TaskWeaver and Djinn Stealer

Hackers are exploiting a recently disclosed critical vulnerability (CVE-2026-48558) in SimpleHelp to deploy Djinn Stealer, a previously undocumented cross-platform information stealer targeting Windows, macOS, and Linux. [...]

A high-severity flaw in Cisco Catalyst SD-WAN Manager disclosed in early June was exploited as early as March

An unknown threat actor exploited a recently disclosed high-severity security flaw impacting Cisco Catalyst SD-WAN as a zero-day at least two months before it was publicly disclosed, according to new findings from Google-owned Mandiant

Threat actors have begun to exploit a recently disclosed critical security flaw impacting Cisco Unified Communications Manager (Unified CM) and Unified Communications Manager Session Management Edition (Unified CM SME)

Cybersecurity researchers have disclosed details of four vulnerabilities in Dify, an open-source agentic workflow platform with more than 146,000 GitHub stars, that could allow attackers to stealthily read artificial intelligence (AI) conversions from other customers' applications without requiring authentication

Threat actors are exploiting a recently patched security flaw impacting Gravity SMTP, a WordPress plugin that's installed on about 100,000 sites

Microsoft has formally disclosed that it's working to release a patch to address a Defender zero-day codenamed RoguePlanet

Palo Alto Networks has revealed that it has observed "active exploitation" of a recently disclosed PAN-OS vulnerability by an unknown threat actor to obtain unauthorized access to GlobalProtect portals