CVE-2026-34487 in Tomcat

Résumé

par MITRE • 09/04/2026

Insertion of Sensitive Information into Log File vulnerability in the cloud membership for clustering component of Apache Tomcat exposed the Kubernetes bearer token.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.20, from 10.1.0-M1 through 10.1.53, from 9.0.13 through 9.0.116.

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

Once again VulDB remains the best source for vulnerability data.

• Responsable: Apache
• Réserver: 30/03/2026
• Divulgation: 09/04/2026
• Modérer: accepté
• Entrée: VDB-356678
• CPE: prêt
• CWE: CWE-532 (confirmé)
• CVSS: 4.3 (VulDB)
• EPSS: 0.00073
• KEV: non
• Activités: très faible
• Secteur: Lawfirm, Police, ...

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-34487
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-34487
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-34487/