CVE-2026-55957
Apache Tomcat: Authentication bypass with JNDIRealm and GSSAPI authenticated bind
Vexday Risk Score
21Bajo
Decisión SSVC (CISA)
Track
Sin señal de explotación → monitorear
CVSS 7.3EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado
Ciclo de vida
29 jun 2026Publicada en NVD
Recomendación: Monitorear — sin señal de explotación por ahora.
Missing Critical Step in Authentication vulnerability in Apache Tomcat when the JNDIRealm was configured to authenticate binds using GSSAPI allowed attackers to authenticate without provided the correct password.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.4, from 10.1.0-M1 through 10.1.36, from 9.0.0.M1 through 9.0.100, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109.
Users are recommended to upgrade to version 11.0.5, 10.1.37 or 9.0.101, which fixes the issue.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Productos afectados
Apache Software Foundation · Apache Tomcat