Risk Letters

Exploited vulnerability

CVE-2026-34486

TLP:CLEAR

Apache Tomcat Missing Encryption of Sensitive Data Vulnerability

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.

Facts

  • Vendor: Apache
  • Product: Tomcat
  • CVSS: 7.5
  • EPSS (probability of exploitation within 30 days): 98.5 %
  • On CISA's Known Exploited Vulnerabilities list since: 4 August 2026
  • First known exploitation: 4 August 2026
  • CISA's deadline for US federal agencies: 7 August 2026
  • Weakness: CWE-311
  • First seen by Risk Letters: 4 August 2026

Members see which Nordic sectors the flaw hits, and what to do about it.

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD