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

PUBLISHEDvulnerability record
2026-08-04 · last modified August 4, 2026

Metadata

CVE ID:
CVE-2026-34486
Project:
Apache
Product:
Tomcat
Date Added:
2026-08-04
Due Date:
2026-08-07
Last Updated:
August 4, 2026

Vulnerability Name

Apache Tomcat Missing Encryption of Sensitive Data Vulnerability

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?

Ransomware Status:
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

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