CVE-2026-59998

sshd in OpenSSH before 10.4 has an undocumented security-relevant behavior: GSSAPIStrictAcceptorCheck has no value if the server is in Windows Active Directory...

CVE-2026-11610

A heap buffer overflow flaw was found in the SASL I/O layer of 389 Directory Server 389-ds-base. After a successful SASL bind with integrity protection SSF 0, an authenticated attacker can send a specially crafted oversized LDAP UNBIND packet that is copied into a 512-byte heap receive buffer...

CVE-2026-11610

A heap buffer overflow flaw was found in the SASL I/O layer of 389 Directory Server 389-ds-base. After a successful SASL bind with integrity protection SSF 0, an authenticated attacker can send a specially crafted oversized LDAP UNBIND packet that is copied into a 512-byte heap receive buffer...

K000162049: Go vulnerability CVE-2025-58181

Security Advisory Description SSH servers parsing GSSAPI authentication requests do not validate the number of mechanisms specified in the request, allowing an attacker to cause unbounded memory consumption. CVE-2025-58181 Impact An attacker may be able to cause an increase in resource utilizatio...

AlmaLinux 9 : bind9.18 (ALSA-2026:24368)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:24368 advisory. bind: BIND 9 server memory exhaustion during GSS-API TKEY negotiation CVE-2026-3039 bind: BIND: Denial of Service via specially crafted DNS messages...

TencentOS Server 3: openssh (TSSA-2026:0261)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:0261 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities:...

Linux Distros Unpatched Vulnerability : CVE-2026-55957

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Missing Critical Step in Authentication vulnerability in Apache Tomcat when the JNDIRealm was configured to authenticate binds using GSSAPI allowed attackers to...

Apache Tomcat 9.0.0.M1 < 9.0.102

The version of Tomcat installed on the remote host is prior to 9.0.102. It is, therefore, affected by a vulnerability as referenced in the fixedinapachetomcat9.0.102security-9 advisory. - Missing Critical Step in Authentication vulnerability in Apache Tomcat when the JNDIRealm was configured to...

Missing Critical Step in Authentication

Overview org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation. Affected versions of this package are vulnerable to Missing Critical Step in Authentication in the JNDIRealm process when configured to authenticate binds using GSSAPI. An attacker can gain unauthorized access by...

DEBIAN-CVE-2026-55957

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...

CVE-2026-55957

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...

UBUNTU-CVE-2026-55957

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...

CVE-2026-55957

CVE-2026-55957 describes an authentication bypass in Apache Tomcat when JNDIRealm is configured to authenticate binds using GSSAPI, allowing attackers to authenticate without the correct password. Affected releases include Tomcat 11.0.0-M1–11.0.4, 10.1.0-M1–10.1.36, 9.0.0.M1–9.0.100, 8.5.0–8.5.10...

CVE-2026-55957

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...

CVE-2026-55957 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...

tomcat: Apache Tomcat: Authentication bypass via missing critical step in JNDIRealm GSSAPI configuration

A flaw was found in Apache Tomcat. When the JNDIRealm was configured to authenticate binds using GSSAPI, an attacker could exploit a missing critical step in the authentication process. This allowed the attacker to bypass password verification and authenticate without providing the correct...

EulerOS 2.0 SP15 : openssh (EulerOS-SA-2026-2455)

According to the versions of the openssh packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : OpenSSH before 10.3 omits connection multiplexing confirmation for proxy-mode multiplexing sessions.CVE-2026-35388 OpenSSH before 10.3 mishandles...

EulerOS 2.0 SP15 : openssh (EulerOS-SA-2026-2496)

According to the versions of the openssh packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : OpenSSH before 10.3 omits connection multiplexing confirmation for proxy-mode multiplexing sessions.CVE-2026-35388 OpenSSH before 10.3 mishandles...

tomcat: Apache Tomcat: Authentication bypass via missing critical step in JNDIRealm GSSAPI configuration

A flaw was found in Apache Tomcat. When the JNDIRealm was configured to authenticate binds using GSSAPI, an attacker could exploit a missing critical step in the authentication process. This allowed the attacker to bypass password verification and authenticate without providing the correct...

OESA-2026-2691 mongo-c-driver security update

mongo-c-driver is a project that includes two libraries: libmongoc, a client library written in C for MongoDB. libbson, a library providing useful routines related to building, parsing, and iterating BSON documents. Security Fixes: The MongoDB C Driver's Cyrus SASL integration performs unsafe...