CVE-2026-34486
7.5 Élevée Exploitée activementCatalogue CISA KEV — Apache Tomcat Missing Encryption of Sensitive Data Vulnerability
Ajoutée le 04/08/2026 · Échéance de correction (agences US) : 07/08/2026
Action requise : 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.
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.
Produits concernés
- Apache Software Foundation Apache Tomcat
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 10.0 Extended Update Support
- Red Hat Enterprise Linux 7 Extended Lifecycle Support
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 8.8 Telecommunications Update Service
- Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
- Red Hat Enterprise Linux 9
- Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
- Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions
- Red Hat Enterprise Linux 9.6 Extended Update Support
- Red Hat JBoss Web Server 7.0.0
- Red Hat JBoss Web Server 7.0 on RHEL 10
- Red Hat JBoss Web Server 7.0 on RHEL 8
- Red Hat JBoss Web Server 7.0 on RHEL 9
- Red Hat Enterprise Linux 6
- Red Hat JBoss Web Server 5
- Red Hat JBoss Web Server 6
- 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
Scores CVSS
| Version | Score | Source | Vecteur |
|---|---|---|---|
| 3.1 | 7.5 Élevée | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| 3.1 | 7.5 Élevée | 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Faiblesses (CWE)
Références
- https://lists.apache.org/thread/9510k5p5zdvt9pkkgtyp85mvwxo2qrly Mailing ListVendor Advisory
- https://www.vicarius.io/vsociety/posts/cve-2026-34486-detection-script-rce-on-apache-tomcat Third Party Advisory
- https://www.vicarius.io/vsociety/posts/cve-2026-34486-mitigation-script-rce-on-apache-tomcat MitigationThird Party Advisory
- https://access.redhat.com/errata/RHSA-2026:36787 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2026:36788 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2026:36789 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2026:36790 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2026:36876 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2026:36877 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2026:36878 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2026:36879 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2026:37136 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2026:37137 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2026:38505 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2026:39188 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2026:39189 Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2026-34486 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2457027 Issue TrackingThird Party Advisory
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-34486.json Third Party Advisory
- https://socradar.io/blog/snowlight-government-chinese-campaign/ Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-34486 US Government Resource