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

Apache Tomcat · in CISA KEV since 2026-08-04

2026-08-04added to KEV

2026-08-07federal remediation due date

98.62%EPSS exploit probability (30 days) 99.9th percentile

7.5 HIGHCVSS 3.1

Unknownknown ransomware use

117days from NVD publication to KEV

What it is

Apache Tomcat contains a missing encryption of sensitive data vulnerability that allows the bypass of the EncryptInterceptor. This vulnerability can be chained with CVE‑2025‑24813.

Required action (CISA)

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.

CWE	CWE-311
CVSS vector	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N`
NVD published	2026-04-09 (Analyzed)

Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2026-34486.json · all KEV CVEs

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