CVE-2026-34486: listed in the CISA KEV catalog

CVE-2026-34486 · CVSS 7.5 HIGH · EPSS 83% · KEV 2026-08-04

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.

Is CVE-2026-34486 exploited?

• Listed in the CISA KEV catalog on 2026-08-04.
• Federal remediation due 2026-08-07.
• Past that date by 8 days.
• EPSS puts exploitation in the next 30 days at 83%.
• Public exploit code: none found in monitored sources.
• Public detection rules exist.

Which products and versions are affected?

No affected package list recorded here yet.

Is there a patch?

No patch identifier recorded here yet.

What PlainSec published about CVE-2026-34486

PlainSec has not published a story about this CVE.

Primary sources

• NVD record
• CISA KEV catalog
• Nuclei template

What this record does not say

• No affected package data.
• No patch identifier.

KEV and EPSS are re-checked daily. Record last updated 2026-08-11.