CVE-2026-34486: Apache Tomcat Missing Encryption of Sensitive Data Vulnerability

CVE ID

CVE-2026-34486

Vulnerability Name

Apache Tomcat Missing Encryption of Sensitive Data Vulnerability

• Project: Apache
• Product: Tomcat

Date

• Date Added: 2026-08-04
• Due Date: 2026-08-07

Description

Apache Tomcat contains a missing encryption of sensitive data vulnerability that allows the bypass of the EncryptInterceptor.

Known To Be Used in Ransomware Campaigns?

Unknown

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.

Additional Notes

https://lists.apache.org/thread/9510k5p5zdvt9pkkgtyp85mvwxo2qrly ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-34486

More CVEs Info

Common Vulnerabilities & Exposures (CVE) List