← All Advisories

CVE-2026-34486: Apache Tomcat Missing

Status: KEV  |  Advisory ID: CVE-2026-34486

Key Details

CVECVE-2026-34486
CVSSCVSS 7.5 (High).
Affected productssee table below
Exploitation statusListed in CISA's Known Exploited Vulnerabilities (KEV) catalog, indicating confirmed active exploitation.
Classified asCWE-311 (Missing Encryption of Sensitive Data)
KEV listingAdded to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2026-08-04.
Exploitation prediction (EPSS)99% probability of exploitation in the next 30 days (100% percentile) -- FIRST.org's EPSS model.
Federal remediation deadline2026-08-07 (CISA KEV, Binding Operational Directive).

What to Know

Missing Encryption of Sensitive Data vulnerability in Apache Tomcat due to the fix for CVE-2026-29146 allowing the bypass of the EncryptInterceptor.

This issue affects Apache Tomcat: 11.0.20, 10.1.53, 9.0.116.

Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fix the issue.

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-34486