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CISA Advisories
CISA AdvisoriesSecurity updates

Hitachi Energy RTU500 Product

View CSAF Summary Hitachi Energy is aware of vulnerabilities that affect RTU500 product versions listed in this document. These vulnerabilities if exploited can have impact on confidentiality, integrity and availability of the product. Please refer to the Recommended Immediate Actions for information about the mitigation/remediation. The following versions of Hitachi Energy RTU500 Product are affected: RTU500 series CMU Firmware vers:RTU500_series_CMU_Firmware/>=13.5.1|<=13.5.4, vers:RTU500_series_CMU_Firmware/>=13.6.1|<=13.6.3, vers:RTU500_series_CMU_Firmware/>=13.7.1|<=13.7.8, vers:RTU500_series_CMU_Firmware/>=13.8.1|<=13.8.2, vers:RTU500_series_CMU_Firmware/>=12.7.1|<=12.7.7 (CVE-2026-17539, CVE-2026-28388, CVE-2026-6732, CVE-2026-6653, CVE-2026-6276, CVE-2026-9079, CVE-2026-11856, CVE-2026-8927, CVE-2026-8932, CVE-2026-17539, CVE-2026-28388, CVE-2026-6732, CVE-2026-6653, CVE-2026-6276, CVE-2026-9079, CVE-2026-11856, CVE-2026-8927, CVE-2026-8932, CVE-2026-17539, CVE-2026-28388, CVE-2026-6732, CVE-2026-6653, CVE-2026-6276, CVE-2026-9079, CVE-2026-11856, CVE-2026-8927, CVE-2026-8932, CVE-2026-17539, CVE-2026-28388, CVE-2026-6732, CVE-2026-6653, CVE-2026-6276, CVE-2026-9079, CVE-2026-11856, CVE-2026-8927, CVE-2026-8932, CVE-2026-17539, CVE-2026-28388, CVE-2026-6653) CVSS Vendor Equipment v3 8.8 Hitachi Energy RTU500 series CMU Firmware 7 Vulnerabilities NULL Pointer Dereference, Access of Resource Using Incompatible Type ('Type Confusion'), Use After Free, Cleartext Transmission of Sensitive Information, Insufficiently Protected Credentials, Authent
Read at CISA Advisories
CISA Advisories
CISA AdvisoriesSecurity updates

WAGO OS Linux

View CSAF Summary Two vulnerabilities in the Web-Based Management (WBM) interface of WAGO CC100, PFC100 G2, PFC200 G2, TP600, Edge Controller and WP400 devices allow an authenticated low-privileged user to bypass intended privilege boundaries. The issues affect both the routing configuration functionality and the authorization model for PROFIBUS configuration management. The following versions of WAGO OS Linux are affected: WAGO Firmware (vers:semver/>=1.0.0|<4.10.0) installed on WAGO Hardware 0751-9x01 vers:all/* (CVE-2026-80466, CVE-2026-88850) WAGO Firmware (vers:semver/>=1.0.0|<4.10.0) installed on WAGO Hardware 0750-811x-xxxx-xxxx vers:all/* (CVE-2026-80466, CVE-2026-88850) WAGO Firmware (vers:semver/>=1.0.0|<4.10.0) installed on WAGO Hardware 0750-821x-xxx-xxx vers:all/* (CVE-2026-80466, CVE-2026-88850) WAGO Firmware (vers:semver/>=1.0.0|<4.10.0) installed on WAGO Hardware 0762-420x-8000-000x vers:all/* (CVE-2026-80466, CVE-2026-88850) WAGO Firmware (vers:semver/>=1.0.0|<4.10.0) installed on WAGO Hardware 0762-430x-8000-000x vers:all/* (CVE-2026-80466, CVE-2026-88850) WAGO Firmware (vers:semver/>=1.0.0|<4.10.0) installed on WAGO Hardware 0762-520x-8000-000x vers:all/* (CVE-2026-80466, CVE-2026-88850) WAGO Firmware (vers:semver/>=1.0.0|<4.10.0) installed on WAGO Hardware 0762-530x-8000-000x vers:all/* (CVE-2026-80466, CVE-2026-88850) WAGO Firmware (vers:semver/>=1.0.0|<4.10.0) installed on WAGO Hardware 0762-620x-8000-000x vers:all/* (CVE-2026-80466, CVE-2026-88850) WAGO Firmware (vers:semver/>=1.0.0|<4.10.0) installed on WAGO Hardware 0762-630x-8000-000x
Read at CISA Advisories
CISA Advisories
CISA AdvisoriesSecurity updates

HMS Networks PEAK-System PCAN Windows drivers

View CSAF Summary Successful exploitation of these vulnerabilities could crash the Windows kernel. The following versions of HMS Networks PEAK-System PCAN Windows drivers are affected: PEAK-System Device Driver Setup <=5.1.2.1151 (CVE-2026-109576, CVE-2026-101103, CVE-2026-94188, CVE-2026-103672, CVE-2026-110322, CVE-2026-105960) PCAN Windows CAN device drivers <=5.1.2 (CVE-2026-109576, CVE-2026-101103, CVE-2026-94188, CVE-2026-103672, CVE-2026-110322, CVE-2026-105960) CVSS Vendor Equipment v3 7.1 HMS Networks PEAK-System Device Driver Setup 5 Vulnerabilities Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'), Improper Validation of Array Index, Untrusted Pointer Dereference, Improper Handling of Length Parameter Inconsistency Background Critical Infrastructure Sectors: Transportation Systems, Healthcare and Public Health, Energy, Critical Manufacturing Countries/Areas Deployed: Worldwide Company Headquarters Location: Sweden Vulnerabilities Expand All + CVE-2026-109576 The parser in PEAK-System PCAN driver correctly detected the malformed record, but the loop iterating the record list advanced its processed-bytes counter even when a record had been rejected as invalid. Read More 2 Affected Products HMS Networks PEAK-System Device Driver Setup: <=5.1.2.1151 Product Status: known_affected Remediations Mitigation HMS Networks AB has addressed the issue in version 5.1.4 and recommends that users upgrade to the newest available version. Users can find software updates for PEAK-System
Read at CISA Advisories
Image from The Hacker News for ClickFix Attackers Exploit Siemens Software Center Flaw to Deploy Remote Access Trojan
The Hacker NewsSecurity updates

ClickFix Attackers Exploit Siemens Software Center Flaw to Deploy Remote Access Trojan

Siemens has addressed a DLL sideloading vulnerability impacting Siemens Software Center that it said has been exploited in ClickFix attacks. The high-severity vulnerability, tracked as CVE-2026-110936 (CVSS v4 score: 8.4), could allow an attacker to place a specially-crafted DLL in a directory the application searches, resulting in execution of malicious code with the same privileges as the
Read at The Hacker News
Image from Security Affairs for Japan’s SiteGuard WAF flaw CVE-2026-106931 is already being exploited
Security AffairsSecurity updates

Japan’s SiteGuard WAF flaw CVE-2026-106931 is already being exploited

Attackers are exploiting vulnerability CVE-2026-106931 in SiteGuard Server Edition to run commands as root or SYSTEM. EG Secure Solutions published an urgent alert warning of CVE-2026-106931, an OS command injection bug in SiteGuard Server Edition. Threat actors are already exploiting it in the wild. A successful exploit lets them run commands with root or SYSTEM […]
Read at Security Affairs
Image from Security Affairs for F5 addressed critical RCE flaws in NGINX
Security AffairsSecurity updates

F5 addressed critical RCE flaws in NGINX

F5 addressed multiple vulnerabilities, including critical RCE flaws in NGINX that attackers could exploit without authentication. Security and application delivery firm F5 announced fixes for eleven security issues in NGINX. Among them, critical vulnerabilities tracked as CVE-2026-15176 and CVE-2026-93479 could be exploited without authentication via crafted HTTP requests. Under certain conditions beyond their control, an […]
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CISA Advisories
CISA AdvisoriesSecurity updates

CISA Urges Patching Critical Vulnerability in BeyondTrust Remote Support

CISA is aware of critical authentication bypass vulnerability CVE-2026-102764, affecting BeyondTrust Remote Support (formerly Bomgar) versions 26.2.3 and earlier. Patches are available for supported versions (24.3.1 and later); organizations using older versions must upgrade first. Cyber threat actors are actively exploiting the vulnerability to gain initial access, then establishing persistence, escalating privileges, and moving laterally. CISA added CVE-2026-102764 to its Known Exploited Vulnerabilities (KEV) catalog on Oct. 16, 2026.  CISA urges organizations with affected self-hosted Remote Support appliances to immediately take the following actions:  Apply the BT26-05-RS patch, as outlined in BeyondTrust’s Security Advisory BT26-05. Organizations on a self-hosted Remote Support version older than 24.3.1 will need to upgrade to a newer version to apply the patch. Organizations using BeyondTrust-hosted (SaaS) Remote Support deployments have already been patched. Review BeyondTrust’s blog ARMORY CASTLE and BT26-05: What Security Teams Need to Know for detailed information on the vulnerability and recommended response and mitigation actions.  Limit external access to the Remote Support appliance to the services needed to support users and customers. Restrict access to administrative interfaces to trusted networks. Review BeyondTrust’s B Series Appliance on-premises security for additional guidance on securing network connectivity for self-hosted Remote Support appliances.  Organizations with affected self-hosted Remote Support appliances should conduct network and m
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CISA Advisories
CISA AdvisoriesSecurity updates

CISA Adds Two Known Exploited Vulnerabilities to Catalog

CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation. CVE-2025-61624 Fortinet Multiple Products Path Traversal Vulnerability CVE-2026-102764 BeyondTrust Remote Support Authentication Bypass by Spoofing Vulnerability  These types of vulnerabilities are a frequent attack vector for malicious cyber actors and pose significant risks to the federal enterprise.  Binding Operational Directive (BOD) 26-04: Prioritizing Security Updates Based on Risk establishes vulnerability management requirements for Federal Civilian Executive Branch (FCEB) agencies. BOD 26-04 reinforces the importance of the KEV Catalog and requires federal agencies to prioritize rapid remediation of high-risk vulnerabilities, specifically those identified by Common Vulnerabilities and Exposures (CVEs) listed in CISA’s KEV Catalog on publicly exposed assets that grant total control of the asset post-exploitation, while deferring action for lower-risk vulnerabilities. BOD 26-04 further establishes basic expectations for when agencies must check whether threat actors compromised the system before the patch was applied.  While BOD 26-04 applies only to FCEB agencies, CISA encourages all organizations to adopt risk-based vulnerability management and prioritize remediation of KEV Catalog vulnerabilities. CISA will continue to add vulnerabilities to the catalog that meet the specified criteria.  Aware of an exploited vulnerability not currently listed in the KEV Catalog? Submit it for potential addition through CISA’s KEV Nominati
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CISA Advisories
CISA AdvisoriesSecurity updates

Cyber Threat Actors Use a Variety of Techniques to Target Election and Campaign Officials

CISA and the Federal Bureau of Investigation (FBI) released a Public Service Announcement (PSA) warning election and campaign officials about cyber threats during the 2026 U.S. midterm elections. Malicious cyber actors may use phishing and smishing techniques to steal login credentials and other sensitive information or install malware on targeted devices. Election officials, candidates, and political organizations may be attractive targets because of their access to voter registration data, current government officials, and sensitive campaign information. Cyber actors are increasingly using sophisticated phishing and smishing campaigns that closely resemble legitimate communications. These efforts may include convincing emails, text messages, audio, and video content designed to manipulate recipients into disclosing sensitive information or interacting with malicious links and attachments. CISA and the FBI urge election officials, campaign personnel, and the public to review the PSA, follow recommended cybersecurity practices, and remain vigilant for suspicious emails and mobile messages. 
Read at CISA Advisories
Image from Security Affairs for U.S. CISA adds Atlassian flaw to its Known Exploited Vulnerabilities catalog
Security AffairsSecurity updates

U.S. CISA adds Atlassian flaw to its Known Exploited Vulnerabilities catalog

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Atlassian flaw to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added an Atlassian flaw, tracked as CVE-2026-21589 (CVSS score of 9.3), to its Known Exploited Vulnerabilities (KEV) catalog. In early October, threat actors started exploiting CVE-2026-21589, a critical arbitrary file access flaw […]
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