kernel: xfrm: input: hold netns during deferred transport reinjection

A flaw was found in the Linux kernel's xfrm input component. The transport-mode reinjection process, which handles network packet re-injection, stores a network namespace pointer that must remain valid until a deferred callback completes. However, a missing reference count for the network namespa...

kernel: xfrm: input: hold netns during deferred transport reinjection

A flaw was found in the Linux kernel's xfrm input component. The transport-mode reinjection process, which handles network packet re-injection, stores a network namespace pointer that must remain valid until a deferred callback completes. However, a missing reference count for the network namespa...

kernel: xfrm: input: hold netns during deferred transport reinjection

A flaw was found in the Linux kernel's xfrm input component. The transport-mode reinjection process, which handles network packet re-injection, stores a network namespace pointer that must remain valid until a deferred callback completes. However, a missing reference count for the network namespa...

CVE-2026-61742: Missing Authentication for Critical Function

DBHub is a database MCP server for Postgres, MySQL, SQL Server, Oracle, MariaDB, SQLite. Versions prior to 0.22.5 expose an unauthenticated HTTP MCP endpoint when started with the documented HTTP transport mode, for example --transport http --port 8080. The HTTP server attempts to protect...

Unintended Proxy or Intermediary ('Confused Deputy')

Overview mcp-atlassian is a The Model Context Protocol MCP Atlassian integration is an open-source implementation that bridges Atlassian products Jira and Confluence with AI language models following Anthropic's MCP specification. This project enables secure, contextual AI interactions with...

PT-2026-93888

Summary The SSE transport mode SSE=true exposes all MCP tools without any authentication. The upload markdown tool reads arbitrary files from the server's local filesystem via an unsanitized file path parameter and uploads them to a GitLab project. Combined, any unauthenticated network-reachable...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: s390/dasd: fixed an issue where error recovery led to data corruption on ESE devices. Extent Space Efficient ESE or thin-provisioned volumes need to be formatted on demand during normal IO processing. The dasdeseneedsformat...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: xfrm: Reinjecting transport-mode packets through the workqueue. The following warning is displayed when the tcp6-multi-diffip11 stress test case of the LTP test suite is tested: watchdog: BUG: Soft lockup – CPU0 stuck for 22...

CVE-2026-64566

In the Linux kernel, the following vulnerability has been resolved: xfrm: iptfs: propagate SKBFLSHAREDFRAG in iptfsskbaddfrags When iptfsskbaddfrags copies frag references from the source frag walk into a new SKB, it increments the page reference count via skbfragref but does not propagate...

PT-2026-65551

Name of the Vulnerable Software and Affected Versions terraform-mcp-server versions prior to 1.1.0 Description A cross-tenant credential reuse issue exists in the streamable-HTTP stateless transport mode. This flaw may allow a Terraform token belonging to one user to be reused to execute tool cal...

CVE-2026-16498: Exposure of Data Element to Wrong Session

The terraform-mcp-server before version 1.1.0 is vulnerable to a cross-tenant credential reuse issue in the streamable-HTTP stateless transport mode that may allow one user's Terraform token to be used to execute tool calls on behalf of subsequent users. This vulnerability, CVE-2026-16498, is fix...

NetLicensing-MCP: Unauthenticated Use of Server-Side NetLicensing API Key in HTTP Mode

Unauthenticated Use of Server-Side NetLicensing API Key in HTTP Mode SummaryWhen netlicensing-mcp is run in HTTP transport mode, the ApiKeyMiddleware fails to enforce authentication: requests that carry no client API key are unconditionally forwarded to the next handler server.py:1427. The...

PT-2026-64100

Unauthenticated Use of Server-Side NetLicensing API Key in HTTP Mode Summary When netlicensing-mcp is run in HTTP transport mode, the ApiKeyMiddleware fails to enforce authentication: requests that carry no client API key are unconditionally forwarded to the next handler server.py:1427. The...

CVE-2026-63919

A flaw was found in the Linux kernel's xfrm input component. The transport-mode reinjection process, which handles network packet re-injection, stores a network namespace pointer that must remain valid until a deferred callback completes. However, a missing reference count for the network namespa...

CVE-2026-63919 xfrm: input: hold netns during deferred transport reinjection

In the Linux kernel, the following vulnerability has been resolved: xfrm: input: hold netns during deferred transport reinjection Transport-mode reinjection stores a struct net pointer in skb-cb and uses it later from xfrmtransreinject. That pointer must stay valid until the deferred callback run...

CVE-2026-63919: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: xfrm: input: hold netns during deferred transport reinjection Transport-mode reinjection stores a struct net pointer in skb-cb and uses it later from xfrmtransreinject. That pointer must stay valid until the deferred callback run...

NetLicensing-MCP: Unauthenticated Use of Server-Side NetLicensing API Key in HTTP Mode

Unauthenticated Use of Server-Side NetLicensing API Key in HTTP Mode Summary When netlicensing-mcp is run in HTTP transport mode, the ApiKeyMiddleware fails to enforce authentication: requests that carry no client API key are unconditionally forwarded to the next handler server.py:1427. The...

GHSA-X9VC-9FFQ-P3GJ NetLicensing-MCP: Unauthenticated Use of Server-Side NetLicensing API Key in HTTP Mode

Unauthenticated Use of Server-Side NetLicensing API Key in HTTP Mode Summary When netlicensing-mcp is run in HTTP transport mode, the ApiKeyMiddleware fails to enforce authentication: requests that carry no client API key are unconditionally forwarded to the next handler server.py:1427. The...

CVE-2026-54309 n8n: n8n MCP Browser HTTP Transport Exposes Unauthenticated Browser-Control Sessions

n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, when @n8n/mcp-browser is run in HTTP transport mode, the MCP endpoint accepts session initialization and tool invocation requests without any authentication. Any network-reachable client, or any website visited by the...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021564)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021564 advisory. In the Linux kernel, the following vulnerability has been resolved: xfrm: Reinject transport-mode packets through workqueue The following warning is displayed when t...