cve-2026-34486

HIGH CVSS 7.5 nvd
Description

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.

Timeline
Published
2026-04-09
Last Modified
2026-10-26
CVSS Details
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
Affected Products
  • apache tomcat
  • redhat jboss_web_server
  • redhat enterprise_linux
  • redhat enterprise_linux_els
  • redhat enterprise_linux_eus
  • redhat enterprise_linux_tus
  • redhat enterprise_linux_update_services_for_sap_solutions
CISA KEV — Known Exploited Vulnerability
Name
Apache Tomcat Missing Encryption of Sensitive Data Vulnerability
Added to KEV
2026-08-04
Action due
2026-08-07
Required action
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.
Weaknesses (CWE)
CWE-311 CWE-807
CVSS metrics
Version Base Severity Vector Exploitability Impact Source
3.1 7.5 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N 3.9 3.6 134c704f-9b21-4f2e-91b3-4a467353bcc0
3.1 7.5 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N 3.9 3.6 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
CPE configurations
OR
CPE Version range Vulnerable
cpe:2.3:a:apache:tomcat:9.0.116:*:*:*:*:*:*:* — yes
cpe:2.3:a:apache:tomcat:10.1.53:*:*:*:*:*:*:* — yes
cpe:2.3:a:apache:tomcat:11.0.20:*:*:*:*:*:*:* — yes
OR
CPE Version range Vulnerable
cpe:2.3:a:redhat:jboss_web_server:7.0.0:*:*:*:*:*:*:* — yes
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* — yes
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* — yes
cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:* — yes
cpe:2.3:o:redhat:enterprise_linux_els:7.0:*:*:*:*:*:*:* — yes
cpe:2.3:o:redhat:enterprise_linux_eus:10.0:*:*:*:*:*:*:* — yes
cpe:2.3:o:redhat:enterprise_linux_tus:8.8:*:*:*:*:*:*:* — yes
cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:8.8:*:*:*:*:*:*:* — yes
cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:9.2:*:*:*:*:*:*:* — yes
cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:9.4:*:*:*:*:*:*:* — yes
cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:9.6:*:*:*:*:*:*:* — yes
NVD metadata
NVD status
Analyzed
Source identifier
security@apache.org
References
Linked Vulnerabilities
cpujul2026csaf csaf_oracle
cpumay2026csaf csaf_oracle
cpuoct2026csaf csaf_oracle
elsa-2026-36788 oracle_linux
elsa-2026-36790 oracle_linux
elsa-2026-36879 oracle_linux
elsa-2026-37137 oracle_linux 

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  "dateUpdated": "2026-10-26T22:10:00.163",
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      },
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  "title": "Missing Encryption of Sensitive Data vulnerability in Apache Tomcat due to the fix for CVE-2026-29146 allowing the b..."
}
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