Curated Cyber Threat Intelligence

Threat Feed

Daily intelligence on vulnerabilities, threat actors and geopolitical context — distilled from primary sources.

scheduleUpdated 2026-10-28 · 04:17 UTC
articleTotal: 1890 reports
Cyber Threat Daily Brief — October 28, 2026satellite_altDaily Brief
Threat Intel Brief·Daily Summary

Cyber Threat Daily Brief — October 28, 2026

Today's briefing: 9 critical and 29 high-severity threats. A total of 45 detailed analyses covering vulnerabilities, threat actors, and geopolitical context.

9 Critical29 High45 analyses
schedule04:17 UTC
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Latest Reports

26 / 1471 results
7-Zip heap overflow in XZ handling allows code execution via crafted archiveshighbug_reportVulnerability
bug_reportVulnerability

7-Zip heap overflow in XZ handling allows code execution via crafted archives

7-Zip versions prior to 26.02. Affects all platforms where 7-Zip is deployed (Windows, Linux). Vulnerability triggered when opening malicious XZ archives.

CVE-2026-1426620 Jul · 07:10 UTC
bandcampro leverages Google Gemini CLI to control dental clinic botnethighperson_alertThreat Actor
person_alertThreat Actor

bandcampro leverages Google Gemini CLI to control dental clinic botnet

bandcampro is a Russian-speaking threat actor that has demonstrated novel tradecraft by weaponizing Google's Gemini CLI tool to orchestrate botnet operations.

The Hacker News20 Jul · 07:07 UTC
Autonomous AI Agent Breaches Hugging Face Repositoryhighperson_alertThreat Actor
person_alertThreat Actor

Autonomous AI Agent Breaches Hugging Face Repository

The threat actor is identified as an autonomous AI agent system—a novel adversary class representing machine-driven attack capabilities operating with minimal or no human intervention.

Hugging Face20 Jul · 03:27 UTC
Malicious RubyGems packages deliver payloads to developer workstationshighbug_reportVulnerability
bug_reportVulnerability

Malicious RubyGems packages deliver payloads to developer workstations

RubyGems ecosystem: three malicious packages (git_credential_manager, Dendreo, and one unnamed) published to the official RubyGems repository. Affects Ruby developers who installed these packages.

RubyGems20 Jul · 03:15 UTC
Critical NGINX heap overflow enables RCE via crafted HTTP requestscriticalbug_reportVulnerability
bug_reportVulnerability

Critical NGINX heap overflow enables RCE via crafted HTTP requests

NGINX open source versions prior to 1.30.4 and 1.31.3, and NGINX Plus versions prior to 37.0.3.1. All deployments accepting HTTP requests from untrusted networks are at risk.

CVE-2026-4253319 Jul · 18:42 UTC
ViPNet update mechanism compromised to target Russian government agencieshighbug_reportVulnerability
bug_reportVulnerability

ViPNet update mechanism compromised to target Russian government agencies

ViPNet private networking software users, primarily Russian government agencies and organizations. All versions using the compromised update delivery mechanism are potentially affected. Specific version range not disclosed.

ViPNet19 Jul · 12:23 UTC
UAC-0145 (Sandworm sub-cluster) deploys ClickFix lures vs Ukrainehighperson_alertThreat Actor
person_alertThreat Actor

UAC-0145 (Sandworm sub-cluster) deploys ClickFix lures vs Ukraine

UAC-0145 is a sub-cluster of Sandworm, a Russian state-sponsored APT group attributed to the GRU (Main Intelligence Directorate of the General Staff of the Armed Forces of the Russian Federation).

The Hacker News19 Jul · 11:30 UTC
SonicWall SMA 1000 VPN zero-days exploited by UTA0533 for root accesscriticalbug_reportVulnerability
bug_reportVulnerability

SonicWall SMA 1000 VPN zero-days exploited by UTA0533 for root access

SonicWall Secure Mobile Access (SMA) 1000 series VPN appliances. Specific vulnerable versions not disclosed. All SMA 1000 deployments should be considered at risk until vendor guidance is available.

SonicWall19 Jul · 11:18 UTC
7-Zip 26.02 patches RCE flaw via malicious compressed fileshighbug_reportVulnerability
bug_reportVulnerability

7-Zip 26.02 patches RCE flaw via malicious compressed files

7-Zip versions prior to 26.02. All platforms (Windows, Linux, macOS) where 7-Zip is installed and users handle compressed archives from untrusted sources.

7-Zip18 Jul · 17:32 UTC
WordPress Core RCE "wp2shell" exploits now public, patch immediatelycriticalbug_reportVulnerability
bug_reportVulnerability

WordPress Core RCE "wp2shell" exploits now public, patch immediately

WordPress Core (specific versions not disclosed in provided data). Vulnerability enables remote code execution. Public exploits available under the name "wp2shell".

WordPress18 Jul · 15:22 UTC
ACR Stealer campaign targets Microsoft enterprise customershighbug_reportVulnerability
bug_reportVulnerability

ACR Stealer campaign targets Microsoft enterprise customers

Microsoft enterprise customers; targets browser-stored credentials, authentication tokens, and sensitive documents across enterprise environments

Microsoft18 Jul · 12:17 UTC
WordPress 6.9–7.0 unauthenticated RCE patched, forced auto-update activecriticalbug_reportVulnerability
bug_reportVulnerability

WordPress 6.9–7.0 unauthenticated RCE patched, forced auto-update active

WordPress core versions 6.9.0–6.9.4 and 7.0.0–7.0.1. All sites running these versions are vulnerable to unauthenticated remote code execution via anonymous HTTP requests. Patched in 6.9.5 and 7.0.2.

WordPress17 Jul · 19:20 UTC
OpenSSL "HollowByte" DoS allows 11-byte requests to freeze server memoryhighbug_reportVulnerability
bug_reportVulnerability

OpenSSL "HollowByte" DoS allows 11-byte requests to freeze server memory

OpenSSL versions prior to June 2024 patch. Affects TLS servers running on glibc-based Linux systems. Specific vulnerable versions not disclosed; patch applied without CVE or public advisory.

OpenSSL17 Jul · 18:20 UTC
Seven malicious npm packages target Vite ecosystem with blockchain C2 RAThighbug_reportVulnerability
bug_reportVulnerability

Seven malicious npm packages target Vite ecosystem with blockchain C2 RAT

npm package ecosystem, specifically projects using Vite frontend tooling. Seven malicious packages identified in the ViteVenom campaign. Any JavaScript/Node.js development environments that installed these packages are compromised.

npm17 Jul · 16:54 UTC
HollowByte flaw enables DoS on OpenSSL servers via 11-byte payloadhighbug_reportVulnerability
bug_reportVulnerability

HollowByte flaw enables DoS on OpenSSL servers via 11-byte payload

OpenSSL servers (specific versions not disclosed). Unauthenticated remote attackers can exploit the vulnerability. Scope includes any internet-facing OpenSSL server implementations susceptible to the malicious payload.

OpenSSL17 Jul · 15:56 UTC
NadMesh Botnet Targets AI Services for AWS and Kubernetes Credential Thefthighperson_alertThreat Actor
person_alertThreat Actor

NadMesh Botnet Targets AI Services for AWS and Kubernetes Credential Theft

NadMesh is a Go-based botnet operation discovered in early July that specializes in compromising cloud infrastructure credentials through exploitation of exposed AI and automation services.

AWS17 Jul · 15:12 UTC
DigiCert breach linked to Chinese APT; code-signing certs stolencriticalbug_reportVulnerability
bug_reportVulnerability

DigiCert breach linked to Chinese APT; code-signing certs stolen

DigiCert certificate authority infrastructure compromised in April 2026. Code-signing certificates stolen by CylindricalCanine (GoldenEyeDog/APT-Q-27 subgroup).

DigiCert17 Jul · 14:39 UTC
Fortinet FortiSandbox critical RCE and privilege escalation flawcriticalbug_reportVulnerability
bug_reportVulnerability

Fortinet FortiSandbox critical RCE and privilege escalation flaw

Fortinet FortiSandbox - specific affected versions not disclosed in available advisory. Product used for malware analysis and threat detection in enterprise environments.

Fortinet17 Jul · 13:35 UTC
Spring Authorization Server authentication bypass requires immediate patchhighbug_reportVulnerability
bug_reportVulnerability

Spring Authorization Server authentication bypass requires immediate patch

Spring Authorization Server (part of Spring Security framework by VMware/Pivotal). Specific affected versions not disclosed in available information. Authentication mechanism is impacted.

Spring (Pivotal/VMware)17 Jul · 13:32 UTC
Lazarus Deploys OtterCookie via Fake Job Lures in Contagious Interviewhighperson_alertThreat Actor
person_alertThreat Actor

Lazarus Deploys OtterCookie via Fake Job Lures in Contagious Interview

Lazarus is a North Korean state-sponsored advanced persistent threat (APT) group attributed to the Reconnaissance General Bureau (RGB). The group is financially motivated, conducting operations to generate revenue for the DPRK regime through cryptocu…

The Hacker News17 Jul · 11:48 UTC
Windows zero-day LegacyHive enables privilege escalation on patched systemscriticalbug_reportVulnerability
bug_reportVulnerability

Windows zero-day LegacyHive enables privilege escalation on patched systems

All up-to-date Windows systems. Specific affected versions not disclosed. Exploit enables local privilege escalation from standard user to administrator level. No CVE assigned yet.

Microsoft17 Jul · 09:05 UTC
Armenia Detains Russian National on U.S. REvil Ransomware Warranthighperson_alertThreat Actor
person_alertThreat Actor

Armenia Detains Russian National on U.S. REvil Ransomware Warrant

REvil (also known as Sodinokibi) is a Russia-linked ransomware-as-a-service (RaaS) operation that emerged in 2019 and became one of the most prolific cybercrime groups before law enforcement disruption in 2021-2022.

The Hacker News17 Jul · 08:53 UTC
Siemens ROX II OT switches vulnerable to chained zero-day privilege escalationcriticalbug_reportVulnerability
bug_reportVulnerability

Siemens ROX II OT switches vulnerable to chained zero-day privilege escalation

Siemens ROX II industrial switches used in operational technology (OT) environments. Specific affected firmware versions not disclosed in summary. Vulnerability chain enables privilege escalation to persistent root access.

Siemens17 Jul · 08:00 UTC
ACR Stealer campaign uses ClickFix social engineering to steal M365 datahighbug_reportVulnerability
bug_reportVulnerability

ACR Stealer campaign uses ClickFix social engineering to steal M365 data

Microsoft 365 enterprise users and organizations. ACR Stealer targets browser credentials, session tokens, and M365 documents. Active since 2024 with two documented delivery chains using ClickFix social engineering lures.

Microsoft17 Jul · 06:56 UTC
GoSerpent Malware Targets Southeast Asian Government and Diplomacyhighperson_alertThreat Actor
person_alertThreat Actor

GoSerpent Malware Targets Southeast Asian Government and Diplomacy

GoSerpent is a previously undocumented malware family discovered by Kaspersky researchers in late 2025. The malware is designed for long-term persistent access and intelligence gathering operations.

Kaspersky17 Jul · 06:46 UTC
CISA orders patching of actively exploited Fortinet FortiSandbox flawscriticalbug_reportVulnerability
bug_reportVulnerability

CISA orders patching of actively exploited Fortinet FortiSandbox flaws

Fortinet FortiSandbox threat detection platform. Specific versions not provided in available data. Two vulnerabilities confirmed, CVE identifiers not yet disclosed.

Fortinet17 Jul · 05:03 UTC