CVE-2026-46243

🚨 CVE-2026-46243 - CIFSwitch Linux Kernel Local Privilege Escalation LPE Local Privilege Escalation vulnerability affecting the Linux Kernel CIFS/SMB client. 📖 Overview CVE-2026-46243 is a Local Privilege Escalation LPE vulnerability within the Linux Kernel's CIFS/SMB client. Improper validation ...

BIT-TOMCAT-2026-68569 Apache Tomcat: Principal lookup can fail open in some cases

Improper Authentication vulnerability in Apache Tomcat meant that in some circumstances e.g. CLIENT-CERT, SPNEGO that a user would be authenticated even if the user did not exist in the DataSourceRealm. This issue affects Apache Tomcat: from 11.0.0 through 11.0.24, from 10.1.0 through 10.1.57, fr...

CVE-2025-47981

🔵 CVE-2025-47981 — Windows SPNEGO NEGOEX Vulnerability Assessment Script Type: Vulnerability Assessment — Detection / Compliance Check CVE: CVE-2025-47981 CVSS: 9.8 Critical AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CWE: CWE-122 — Heap-based Buffer Overflow Alias: "SPNEGO Nightmare" / "Windows...

CVE-2026-68569

A flaw was found in Apache Tomcat. This improper authentication vulnerability allows a remote attacker to be authenticated even if their user account does not exist in the DataSourceRealm, under specific circumstances such as CLIENT-CERT or SPNEGO authentication. This can lead to unauthorized...

SUSE CVE-2026-68569

Improper Authentication vulnerability in Apache Tomcat meant that in some circumstances e.g. CLIENT-CERT, SPNEGO that a user would be authenticated even if the user did not exist in the DataSourceRealm. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through...

Authentication Bypass by Primary Weakness

Overview org.apache.tomcat:tomcat-catalina is a Tomcat Servlet Engine Core Classes and Standard implementations. Affected versions of this package are vulnerable to Authentication Bypass by Primary Weakness in the authentication process when using certain authentication mechanisms such as...

EUVD-2026-66135

Improper Authentication vulnerability in Apache Tomcat meant that in some circumstances e.g. CLIENT-CERT, SPNEGO that a user would be authenticated even if the user did not exist in the DataSourceRealm. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through...

Linux Distros Unpatched Vulnerability : CVE-2026-68569

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Improper Authentication vulnerability in Apache Tomcat meant that in some circumstances e.g. CLIENT-CERT, SPNEGO that a user would be authenticated even if the...

DEBIAN-CVE-2026-68569

Improper Authentication vulnerability in Apache Tomcat meant that in some circumstances e.g. CLIENT-CERT, SPNEGO that a user would be authenticated even if the user did not exist in the DataSourceRealm. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through...

CVE-2026-68569

Improper Authentication vulnerability in Apache Tomcat meant that in some circumstances e.g. CLIENT-CERT, SPNEGO that a user would be authenticated even if the user did not exist in the DataSourceRealm. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through...

CVE-2026-68569

Improper Authentication vulnerability in Apache Tomcat meant that in some circumstances e.g. CLIENT-CERT, SPNEGO that a user would be authenticated even if the user did not exist in the DataSourceRealm. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through...

CVE-2026-68569 Apache Tomcat: Principal lookup can fail open in some cases

Improper Authentication vulnerability in Apache Tomcat meant that in some circumstances e.g. CLIENT-CERT, SPNEGO that a user would be authenticated even if the user did not exist in the DataSourceRealm. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through...

CVE-2026-68569 Apache Tomcat: Principal lookup can fail open in some cases

Improper Authentication vulnerability in Apache Tomcat meant that in some circumstances e.g. CLIENT-CERT, SPNEGO that a user would be authenticated even if the user did not exist in the DataSourceRealm. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through...

PT-2026-81888

Name of the Vulnerable Software and Affected Versions Apache Tomcat versions 11.0.0-M1 through 11.0.24 Apache Tomcat versions 10.1.0-M1 through 10.1.57 Apache Tomcat versions 9.0.0.M1 through 9.0.120 Apache Tomcat versions 8.5.0 through 8.5.100 Apache Tomcat versions 7.0.0 through 7.0.109...

Astra Linux – Vulnerability in Heimdal

Before version 7.7.1, Heimdal allowed attackers to cause a NULL pointer dereference in an SPNEGO acceptor, by using a preferredmechtype of GSSCNOOID and a non-zero initialresponse value for sendaccept...

Astra Linux – Vulnerability in bind9

In BIND 9.5.0 - 9.11.29, 9.12.0 - 9.16.13, and versions BIND 9.11.3-S1 - 9.11.29-S1 and 9.16.8-S1 - 9.16.13-S1 of the Supported Preview Edition, as well as release versions 9.17.0 - 9.17.1 of the BIND 9.17 development branch, BIND servers are vulnerable if they are running an affected version and...

MiracleLinux 9 : cifs-utils-7.6-2.el9_8 (AXSA:2026-1506:05)

The remote MiracleLinux 9 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2026-1506:05 advisory. cifs-utils: local privilege escalation via forged cifs.spnego key description in cifs.upcall CVE-2026-12505 Tenable has extracted the preceding description...

CVE-2026-64448

In the Linux kernel, the following vulnerability has been resolved: smb: client: restrict implied bcc0 exemption to responses without data area smb2checkmessage has a long-standing quirk that accepts a response whose calculated length is one byte larger than the bytes actually received "server ca...

PT-2026-64669

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An out-of-bounds read issue exists in the SMB client. The smb2 check message function incorrectly applies a one-byte length exemption unconditionally, regardless of whether the command...

MGASA-2026-0291 Updated cifs-utils packages fix a security vulnerability

The updated packages fix a security vulnerability: Local privilege escalation via forged cifs.spnego key description in cifs.upcall. CVE-2026-12505...