This Week in Threats: Sep 22–Oct 06, 2026

Weekly Threat Summary

17 vulnerabilities were added to the CISA Known Exploited Vulnerabilities (KEV) catalog this period. The highest CVSS score is 10.0.

This week includes 10 critical-severity vulnerabilities (CVSS 9.0+) that require immediate attention.

This Week's Vulnerabilities

CVE-2026-5430 — WSO2 Multiple Products Path Traversal Vulnerability

• CVSS Score: 10.0 (CRITICAL)
• Date Added: 2026-09-24
• Description: WSO2 API Control Plane, API Manager, Traffic Manager & Universal Gateway contain a path traversal vulnerability that...
• Required Action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

CVE-2026-93952 — Arista VeloCloud Orchestrator Improper Input Validation Vulnerability

• CVSS Score: 10.0 (CRITICAL)
• Date Added: 2026-09-22
• Description: Arista VeloCloud Orchestrator (VCO) on-prem contains an improper input validation vulnerability that may allow a...
• Required Action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

CVE-2026-102489 — Zammad GmbH Zammad Session Fixation Vulnerability

• CVSS Score: 9.8 (CRITICAL)
• Date Added: 2026-10-02
• Description: Zammad GmbH Zammad contains a session fixation vulnerability that can lead to remote code execution as the zammad...
• Required Action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

CVE-2026-102490 — Zammad GmbH Zammad Improper Privilege Management Vulnerability

• CVSS Score: 9.8 (CRITICAL)
• Date Added: 2026-10-02
• Description: Zammad GmbH Zammad contains an improper privilege management vulnerability that can allow the local zammad user to...
• Required Action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

CVE-2026-76504 — Cisco Catalyst SD-WAN Manager Hex Encoding Vulnerability

• CVSS Score: 9.8 (CRITICAL)
• Date Added: 2026-09-30
• Description: Cisco Catalyst SD-WAN Manager contains a hex encoding vulnerability that could allow an unauthenticated, remote...
• Required Action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

CVE-2026-88771 — Citrix NetScaler Improper Input Validation Vulnerability

• CVSS Score: 9.8 (CRITICAL)
• Date Added: 2026-09-27
• Description: Citrix NetScaler ADC and NetScaler Gateway contain an improper input validation vulnerability that could allow an...
• Required Action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

CVE-2026-85102 — Check Point Multiple Products Improper Certificate Validation Vulnerability

• CVSS Score: 9.8 (CRITICAL)
• Date Added: 2026-09-22
• Description: Check Point Security Gateway and Check Point Spark Firewall using Site to Site VPN or Remote Access VPN contain an...
• Required Action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

CVE-2026-93616 — Check Point Multiple Products Path Traversal Vulnerability

• CVSS Score: 9.8 (CRITICAL)
• Date Added: 2026-09-22
• Description: Check Point Security Management Server, Multi-Domain Security Management Server, Log Server, Multi-Domain Log...
• Required Action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

CVE-2026-94127 — F5 BIG-IP APM Heap-based Buffer Overflow Vulnerability

• CVSS Score: 9.8 (CRITICAL)
• Date Added: 2026-09-22
• Description: F5 BIG-IP APM contains a heap-based buffer overflow vulnerability when access policy and an OAuth profile are...
• Required Action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

CVE-2026-71362 — Adobe Commerce and Magento Incorrect Authorization Vulnerability

• CVSS Score: 9.1 (CRITICAL)
• Date Added: 2026-09-24
• Description: Adobe Commerce and Magento contains an incorrect authorization vulnerability that could allow an attacker to...
• Required Action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

CVE-2026-86950 — Apple Multiple Products Out-of-Bounds Write Vulnerability

• CVSS Score: 8.8 (HIGH)
• Date Added: 2026-09-29
• Description: Apple iOS, macOS, and iPadOS contain an out-of-bounds write vulnerability in CoreGraphics that may lead to arbitrary...
• Required Action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

CVE-2026-65660 — Microsoft SharePoint Code Injection Vulnerability

• CVSS Score: 8.8 (HIGH)
• Date Added: 2026-09-25
• Description: Microsoft SharePoint contains a code injection vulnerability which could allow an authorized attacker to execute...
• Required Action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

CVE-2026-88772 — Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability

• CVSS Score: 8.1 (HIGH)
• Date Added: 2026-09-27
• Description: Citrix NetScaler ADC and NetScaler Gateway contain an improper restriction of operations within the bounds of a...
• Required Action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

CVE-2026-87902 — WordPress Core Remote File Inclusion Vulnerability

• CVSS Score: 8.1 (HIGH)
• Date Added: 2026-09-25
• Description: WordPress Core contains a remote file inclusion vulnerability which could allow an unauthenticated attacker to make...
• Required Action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

CVE-2026-88779 — Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability

• CVSS Score: 7.5 (HIGH)
• Date Added: 2026-10-04
• Description: Citrix NetScaler ADC (formerly Citrix ADC) and Citrix NetScaler Gateway (formerly Citrix Gateway) contain an...
• Required Action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

CVE-2026-67279 — Mikrotik RouterOS Improper Enforcement of Behavioral Workflow Vulnerability

• CVSS Score: 6.5 (MEDIUM)
• Date Added: 2026-09-25
• Description: Mikrotik RouterOS contains an improper enforcement of behavioral workflow vulnerability that could allow an...
• Required Action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

CVE-2026-104286 — Fortinet FortiMail Path Traversal Vulnerability

• CVSS Score: None (LOW)
• Date Added: 2026-10-01
• Description: Fortinet FortiMail contains a path traversal and an improper neutralization of NULL byte or NULL character...
• Required Action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

What This Means for You

If you run any of the affected products, patch immediately. Critical-severity vulnerabilities are actively exploited in the wild — CISA adds them to the KEV catalog specifically because they represent real, current threats.

Use the CVSS Calculator to assess how these scores apply to your specific environment.

Cert Study Angles

These CVEs map directly to certification exam objectives. Use them as real-world case studies:

CompTIA Security+

• CVE-2026-93952 → D3 Security Architecture
• CVE-2026-102489 → D2 Threats & Vulnerabilities
• CVE-2026-85102 → D1 General Security Concepts, D3 Security Architecture
• CVE-2026-93616 → D4 Security Operations
• CVE-2026-94127 → D2 Threats & Vulnerabilities, D5 Security Program Mgmt
• CVE-2026-71362 → D2 Threats & Vulnerabilities
• CVE-2026-65660 → D2 Threats & Vulnerabilities
• CVE-2026-67279 → D2 Threats & Vulnerabilities

ISC2 CISSP

• CVE-2026-5430 → D6 Security Assessment, D8 Software Development
• CVE-2026-93952 → D6 Security Assessment
• CVE-2026-102489 → D6 Security Assessment
• CVE-2026-102490 → D6 Security Assessment
• CVE-2026-76504 → D6 Security Assessment
• CVE-2026-88771 → D6 Security Assessment
• CVE-2026-85102 → D4 Communication & Network, D6 Security Assessment
• CVE-2026-93616 → D6 Security Assessment
• CVE-2026-94127 → D1 Security & Risk Mgmt, D6 Security Assessment
• CVE-2026-71362 → D5 IAM, D6 Security Assessment
• CVE-2026-86950 → D6 Security Assessment
• CVE-2026-65660 → D6 Security Assessment
• CVE-2026-88772 → D6 Security Assessment
• CVE-2026-87902 → D6 Security Assessment
• CVE-2026-88779 → D6 Security Assessment
• CVE-2026-67279 → D6 Security Assessment
• CVE-2026-104286 → D6 Security Assessment

AWS Solutions Architect

• CVE-2026-94127 → D1 Secure Architecture

Cisco CCNA

• CVE-2026-5430 → D1 Network Fundamentals
• CVE-2026-85102 → D1 Network Fundamentals, D5 Security Fundamentals
• CVE-2026-93616 → D1 Network Fundamentals
• CVE-2026-94127 → D1 Network Fundamentals
• CVE-2026-86950 → D1 Network Fundamentals

See all CVEs mapped to your cert: Exploit Tracker

Tools to Help

• CVSS Calculator — Score these vulnerabilities for your specific environment
• Exploit Tracker — Filter KEV vulnerabilities by certification relevance
• Study Tracker — Track your exam objective completion
• Security+ Practice Quiz — Test your knowledge of vulnerability types and mitigations

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