This Week in Threats: Jul 28–Aug 11, 2026

Weekly Threat Summary

7 vulnerabilities were added to the CISA Known Exploited Vulnerabilities (KEV) catalog this period. The highest CVSS score is 9.8.

This week includes 4 critical-severity vulnerabilities (CVSS 9.0+) that require immediate attention.

This Week's Vulnerabilities

CVE-2026-63077 — JetBrains TeamCity Deserialization of Untrusted Data Vulnerability

• CVSS Score: 9.8 (CRITICAL)
• Date Added: 2026-08-05
• Description: JetBrains TeamCity contains a deserialization of untrusted data vulnerability that could allow 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-2026-9198 — IBM Langflow Code Injection Vulnerability

• CVSS Score: 9.8 (CRITICAL)
• Date Added: 2026-08-04
• Description: Langflow contains a code injection vulnerability that allows unauthenticated attackers to achieve full remote 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-2026-34486 — Apache Tomcat Missing Encryption of Sensitive Data Vulnerability

• CVSS Score: 9.8 (CRITICAL)
• Date Added: 2026-08-04
• Description: Apache Tomcat contains a missing encryption of sensitive data vulnerability that allows the bypass of 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.

CVE-2026-8037 — Progress LoadMaster Command Injection Vulnerability

• CVSS Score: 9.6 (CRITICAL)
• Date Added: 2026-08-07
• Description: Progress LoadMaster contains a command injection vulnerability that allows an un-authenticated 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-2026-18577 — N-able N-central Authentication Bypass Using an Alternate Path or Channel Vulnerability

• CVSS Score: 8.1 (HIGH)
• Date Added: 2026-08-03
• Description: N-able N-central contains an authentication bypass using an alternate path or channel allows for authentication...
• 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-2026-18556 — N-able N-central Authentication Bypass Using an Alternate Path or Channel Vulnerability

• CVSS Score: 7.4 (HIGH)
• Date Added: 2026-08-04
• Description: N-able N-central contains an authentication bypass using an alternate path or channel that allows for authentication...
• 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-2026-20316 — Cisco Secure Firewall Management Center Use of Hard-coded Password Vulnerability

• CVSS Score: 5.3 (MEDIUM)
• Date Added: 2026-07-29
• Description: Cisco Secure Firewall Management Center (FMC) formerly known as Firepower Management Center contains a use of...
• 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-2026-63077 → D2 Threats & Vulnerabilities
• CVE-2026-9198 → D2 Threats & Vulnerabilities
• CVE-2026-34486 → D1 General Security Concepts, D2 Threats & Vulnerabilities
• CVE-2026-8037 → D2 Threats & Vulnerabilities
• CVE-2026-18577 → D2 Threats & Vulnerabilities
• CVE-2026-18556 → D2 Threats & Vulnerabilities
• CVE-2026-20316 → D3 Security Architecture

ISC2 CISSP

• CVE-2026-63077 → D6 Security Assessment
• CVE-2026-9198 → D6 Security Assessment
• CVE-2026-34486 → D6 Security Assessment
• CVE-2026-8037 → D6 Security Assessment
• CVE-2026-18577 → D5 IAM, D6 Security Assessment
• CVE-2026-18556 → D5 IAM, D6 Security Assessment
• CVE-2026-20316 → D4 Communication & Network, D6 Security Assessment

Cisco CCNA

• CVE-2026-20316 → D5 Security 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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