7.3

CVE-2026-55957

Medienbericht

Apache Tomcat: Authentication bypass with JNDIRealm and GSSAPI authenticated bind

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Apache ≫ Tomcat Version < 9.0.101
Apache ≫ Tomcat Version >= 10.1.0 < 10.1.37
Apache ≫ Tomcat Version >= 11.0.0 < 11.0.5
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.46% 0.368
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
134c704f-9b21-4f2e-91b3-4a467353bcc0 7.3 3.9 3.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CWE-304 Missing Critical Step in Authentication

The product implements an authentication technique, but it skips a step that weakens the technique.

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Media Report
06.07.2026 15:32
https://lists.apache.org/thread/7fk339o5jvd4mcgsf0chbrn4o525ccjh
Vendor Advisory
Mailing List
http://www.openwall.com/lists/oss-security/2026/06/29/26
Third Party Advisory