HIGH CISA-KEV ACTIVELY EXPLOITED PoC

CVE-2026-34486

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.

Affected Products

References

Published: 2026-08-04 · Source: CISA-KEV · Feed updated: 2026-08-04
This high severity vulnerability was published on 2026-08-04 via CISA-KEV. ⚠ This vulnerability is in the CISA Known Exploited Vulnerabilities (KEV) catalog — it is being actively exploited in the wild. 🚨 A public proof-of-concept exploit is available on GitHub. EPSS score: 42.6% (top 1% of all CVEs by exploitation probability). Affected: Apache: Tomcat.

Risk Timeline

CVE Disclosed2026-08-04 · 0 days ago
Public PoC Exploit AvailableWeaponised proof-of-concept code is publicly accessible
CISA KEV — Actively ExploitedU.S. federal agencies required to patch · confirmed threat-actor activity

Remediation Resources

CISA / KEV
www.cisa.gov/known-exploited-vulnerabilities-catalog
NVD / MITRE
nvd.nist.gov/vuln/detail/CVE-2026-34486
vulnfeed aggregates 9166 vulnerabilities from NVD, CISA KEV, Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.