CVE-2026-40107

Summary: SiYuan before 3.6.4 configures Mermaid.js with securityLevel: loose and htmlLabels: true, allowing tags to survive DOMPurify and land in SVG blocks. The SVG is injected via innerHTML with no secondary sanitization. When a user opens a note containing a malicious Mermaid diagram, the El...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006756)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006756 advisory. In the Linux kernel, the following vulnerability has been resolved: cifs: Release folio lock on fscache read hit. Under the current code, when cifsreadpageworker is...

curl: curl: Arbitrary code execution or Denial of Service via use-after-free in SMB request handling

A flaw was found in curl. When handling a second Server Message Block SMB request to the same host, curl incorrectly accesses memory that has already been freed. This memory corruption vulnerability, known as a use-after-free, could allow a remote attacker to potentially execute arbitrary code or...

PT-2026-34965

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the SMB client when parsing symlink error responses. When a CREATE request returns STATUS STOPPED ON SYMLINK, the smb2 check message function returns success without...

CVE-2026-31409

A flaw was found in ksmbd, a component of the Linux kernel. This vulnerability occurs when a multichannel Server Message Block SMB2 session setup request, specifically one with a binding flag, fails. Due to an error in handling this failure, ksmbd incorrectly retains a binding state for the...

CVE-2026-31409

In the Linux kernel, the following vulnerability has been resolved: ksmbd: unset conn-binding on failed binding request When a multichannel SMB2SESSIONSETUP request with SMB2SESSIONREQFLAGBINDING fails ksmbd sets conn-binding = true but never clears it on the error path. This leaves the connectio...

CVE-2026-31409

In the Linux kernel, the following vulnerability has been resolved: ksmbd: unset conn-binding on failed binding request When a multichannel SMB2SESSIONSETUP request with SMB2SESSIONREQFLAGBINDING fails ksmbd sets conn-binding = true but never clears it on the error path. This leaves the connectio...

CVE-2026-31409

In the Linux kernel, the following vulnerability has been resolved: ksmbd: unset conn-binding on failed binding request When a multichannel SMB2SESSIONSETUP request with SMB2SESSIONREQFLAGBINDING fails ksmbd sets conn-binding = true but never clears it on the error path. This leaves the connectio...

Linux Distros Unpatched Vulnerability : CVE-2026-31409

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ksmbd: unset conn-binding on failed binding request When a multichannel SMB2SESSIONSETUP request with SMB2SESSIONREQFLAGBINDING fails ksmbd sets conn-binding =...

curl: CVE-2026-5773: wrong reuse of SMB connection

A vulnerability was discovered in curl version 8.19.0 and earlier versions that support SMB. The vulnerability was due to the incorrect reuse of SMB connections across different shares on the same server. This led to data spoofing and access control bypass. The issue was caused by the lack of...

CVE-2026-23427

A flaw was found in ksmbd, a component within the Linux kernel that provides server message block SMB functionality. This vulnerability, known as a use-after-free, occurs when the system attempts to access memory after it has been released. A remote attacker could exploit this by sending speciall...

CVE-2026-31392

A flaw was found in the Linux kernel's Server Message Block SMB client. A local attacker, by attempting to mount SMB shares using Kerberos sec=krb5 with a specified username, could cause the client to incorrectly reuse an existing SMB session. This session reuse occurs even when a different...

CVE-2026-23428

A flaw was found in ksmbd, a component of the Linux kernel. This use-after-free vulnerability occurs during the processing of Server Message Block version 2 SMB2 compound requests. An attacker could exploit this by sending a specially crafted sequence of SMB2 commands, causing the system to attem...

CVE-2026-31392 smb: client: fix krb5 mount with username option

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix krb5 mount with username option Customer reported that some of their krb5 mounts were failing against a single server as the client was trying to mount the shares with wrong credentials. It turned out the client...

Linux SMB Client Buffer Overflow DoS

The vulnerability of the cifsreadpageworker function in the fs/smb/client/file.c module of the SMB client support library in Linux kernel involves the occurrence of mutual locking. Exploiting this vulnerability could allow an attacker to cause a service failure...

Linux kernel SMB Client DoS

The vulnerability of the cifssmb3domount function in the fs/smb/client/cifsfs.c module, which is part of the SMB client support in Linux kernel, involves a memory leak. Exploiting this vulnerability could allow an attacker to cause a service failure...

HTTPS Fetch, Windows x86 Reverse Named Pipe (SMB) Stager

Fetch and execute an x86 payload from an HTTPS server. Connect back to the attacker via a named pipe pivot Module Options msf use payload/cmd/windows/https/x86/peinject/reversenamedpipe msf payloadreversenamedpipe show actions ...actions... msf payloadreversenamedpipe set ACTION msf...

HTTPS Fetch, Windows shellcode stage, Windows x86 Reverse Named Pipe (SMB) Stager

Fetch and execute an x86 payload from an HTTPS server. Custom shellcode stage. Connect back to the attacker via a named pipe pivot Module Options msf use payload/cmd/windows/https/x86/custom/reversenamedpipe msf payloadreversenamedpipe show actions ...actions... msf payloadreversenamedpipe set...

PT-2026-29357

Name of the Vulnerable Software and Affected Versions XML Notepad versions prior to 2.9.0.21 Description XML Notepad, a Windows program for editing XML documents, does not disable DTD processing by default before version 2.9.0.21. This allows for the resolution of external entities. An attacker c...

CVE-2026-33682

Streamlit is a data oriented application development framework for python. Streamlit Open Source versions prior to 1.54.0 running on Windows hosts have an unauthenticated Server-Side Request Forgery SSRF vulnerability. The vulnerability arises from improper validation of attacker-supplied...