This Week in Threats: Aug 25–Sep 08, 2026

Weekly Threat Summary

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

This week includes 9 critical-severity vulnerabilities (CVSS 9.0+) that require immediate attention.

This Week's Vulnerabilities

CVE-2026-83548 — SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability

• CVSS Score: 10.0 (CRITICAL)
• Date Added: 2026-09-02
• Description: SonicWall SMA1000 Appliances contains a server-side request forgery vulnerability that could allow a 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-2026-49869 — Kestra OSS OS Command Injection Vulnerability

• CVSS Score: 10.0 (CRITICAL)
• Date Added: 2026-09-02
• Description: Kestra OSS contains an OS command injection vulnerability that could allow an unauthenticated remote 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-2026-82329 — JFrog Artifactory Improper Authentication Vulnerability

• CVSS Score: 9.8 (CRITICAL)
• Date Added: 2026-09-02
• Description: JFrog Artifactory contains an improper authentication vulnerability that under default configuration can 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-2026-81578 — PaperCut NG/MF Missing Authentication for Critical Function Vulnerability

• CVSS Score: 9.8 (CRITICAL)
• Date Added: 2026-08-31
• Description: PaperCut NG/MF contains a missing authentication for critical function vulnerability which allows an unauthenticated...
• 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-2026-60004 — Gitea Code Injection Vulnerability

• CVSS Score: 9.8 (CRITICAL)
• Date Added: 2026-08-25
• Description: Gitea contains a code injection vulnerability that allows an attacker with repository write access to send 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-2026-8452 — Citrix NetScaler ADC and NetScaler Gateway Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability

• CVSS Score: 9.8 (CRITICAL)
• Date Added: 2026-08-26
• 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-2023-49105 — ownCloud Improper Authentication Vulnerability

• CVSS Score: 9.8 (CRITICAL)
• Date Added: 2026-08-27
• Description: ownCloud contains an improper authentication vulnerability that allows an attacker to access, modify, or delete any...
• 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-2026-9586 — Sangoma Switchvox SQL Injection Vulnerability

• CVSS Score: 9.3 (CRITICAL)
• Date Added: 2026-09-02
• Description: Sangoma Switchvox contains a SQL injection vulnerability which allows an unauthenticated remote 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-2026-82078 — PaperCut NG/MF Unsafe Reflection Vulnerability

• CVSS Score: 9.1 (CRITICAL)
• Date Added: 2026-08-31
• Description: PaperCut NG/MF contains an unsafe reflection vulnerability that allows an attacker to manipulate system...
• 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-2026-85046 — Google Chromium V8 Type Confusion Vulnerability

• CVSS Score: 8.8 (HIGH)
• Date Added: 2026-09-04
• Description: Google Chromium V8 contains a type confusion vulnerability that allows a remote attacker to execute arbitrary code...
• 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-2019-1068 — Microsoft SQL Server Remote Code Execution Vulnerability

• CVSS Score: 8.8 (HIGH)
• Date Added: 2026-08-26
• Description: Microsoft SQL Server contains a remote code execution vulnerability that could allow an attacker to execute code in...
• 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-2026-59822 — BerriAI LiteLLM Improper Authentication Vulnerability

• CVSS Score: 8.2 (HIGH)
• Date Added: 2026-09-02
• Description: BerriAI LiteLLM contains an improper authentication vulnerability in the MCP Streamable HTTP endpoint that could...
• 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-2021-23758 — Ajax.NET Professional Deserialization of Untrusted Data Vulnerability

• CVSS Score: 8.1 (HIGH)
• Date Added: 2026-08-26
• Description: Ajax.NET Professional (AjaxPro) contains a deserialization of untrusted data vulnerability that could allow for...
• 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-2026-83549 — SonicWall SMA1000 Appliances OS Command Injection Vulnerability

• CVSS Score: 7.8 (HIGH)
• Date Added: 2026-09-02
• Description: SonicWall SMA1000 Appliances contains an OS command injection vulnerability that could enable a remote authenticated...
• 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-2022-0995 — Linux Kernel Out-of-Bounds Write Vulnerability

• CVSS Score: 7.8 (HIGH)
• Date Added: 2026-08-26
• Description: Linux Kernel contains an out-of-bounds memory write vulnerability which could allow a local user to gain privileged...
• 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-2015-5287 — Red Hat Automatic Bug Reporting Tool Privilege Escalation Vulnerability

• CVSS Score: 7.8 (HIGH)
• Date Added: 2026-08-26
• Description: Red Hat Automatic Bug Reporting Tool (ABRT) contains a privilege escalation vulnerability that could allow local...
• 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-2026-53362 — Linux Kernel Unspecified Vulnerability

• CVSS Score: 7.8 (HIGH)
• Date Added: 2026-08-27
• Description: Linux Kernel contains an unspecified vulnerability that can allow for privilege escalation via IPv6 networking...
• 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-2026-48710 — Kludex Starlette HTTP Request/Response Smuggling Vulnerability

• CVSS Score: 6.5 (MEDIUM)
• Date Added: 2026-09-02
• Description: Kludex Starlette contains a HTTP request/response smuggling vulnerability that could allow attackers to inject paths...
• 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-2026-66384 — JFrog Artifactory Improper Limitation of a Pathname to a Restricted Directory Vulnerability

• CVSS Score: 5.3 (MEDIUM)
• Date Added: 2026-08-27
• Description: JFrog Artifactory contains an improper limitation of a pathname to a restricted directory vulnerability. This can...
• 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-2015-3246 — Red Hat Libuser Race Condition Vulnerability

• CVSS Score: 5.1 (MEDIUM)
• Date Added: 2026-08-26
• Description: Red Hat libuser contains a race condition vulnerability that allows authenticated local users to corrupt the...
• 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-2026-49869 → D2 Threats & Vulnerabilities
• CVE-2026-60004 → D2 Threats & Vulnerabilities
• CVE-2023-49105 → D3 Security Architecture
• CVE-2026-9586 → D2 Threats & Vulnerabilities
• CVE-2019-1068 → D2 Threats & Vulnerabilities
• CVE-2026-59822 → D4 Security Operations
• CVE-2021-23758 → D2 Threats & Vulnerabilities
• CVE-2026-83549 → D2 Threats & Vulnerabilities
• CVE-2015-5287 → D2 Threats & Vulnerabilities
• CVE-2026-53362 → D2 Threats & Vulnerabilities
• CVE-2026-48710 → D4 Security Operations

ISC2 CISSP

• CVE-2026-83548 → D6 Security Assessment
• CVE-2026-49869 → D6 Security Assessment
• CVE-2026-82329 → D5 IAM, D6 Security Assessment
• CVE-2026-81578 → D5 IAM, D6 Security Assessment
• CVE-2026-60004 → D6 Security Assessment
• CVE-2026-8452 → D6 Security Assessment
• CVE-2023-49105 → D5 IAM, D6 Security Assessment
• CVE-2026-9586 → D6 Security Assessment
• CVE-2026-82078 → D6 Security Assessment
• CVE-2026-85046 → D6 Security Assessment
• CVE-2019-1068 → D6 Security Assessment
• CVE-2026-59822 → D5 IAM, D6 Security Assessment
• CVE-2021-23758 → D6 Security Assessment
• CVE-2026-83549 → D6 Security Assessment
• CVE-2022-0995 → D6 Security Assessment
• CVE-2015-5287 → D6 Security Assessment
• CVE-2026-53362 → D4 Communication & Network, D6 Security Assessment
• CVE-2026-48710 → D6 Security Assessment, D7 Security Operations
• CVE-2026-66384 → D6 Security Assessment
• CVE-2015-3246 → D6 Security Assessment

Cisco CCNA

• CVE-2026-82078 → D1 Network Fundamentals
• CVE-2026-53362 → 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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