Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS : libsoup vulnerabilities (USN-8523-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8523-1 advisory. Eric Su and Samuel Dainard discovered that libsoup incorrectly handled content with zero-leng...

CVE-2026-55604

DeepSeek MCP Server (DeepSeek V4) is vulnerable from v1.4.2 up to, but not including, v1.7.0. The issue stems from a process-global SessionStore that accepts caller-supplied session_id values without binding them to any authenticated principal or transport session. An attacker can enumerate activ...

CVE-2026-55604

DeepSeek MCP Server is an MCP server for DeepSeek V4. Starting in version 1.4.2 and prior to version 1.7.0, the process-global SessionStore accepts caller-supplied sessionid values without binding them to any authenticated principal or transport session. An attacker can enumerate active session I...

CVE-2026-59216

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. Prior to 0.10.0, geteventcall delivered execute:python and execute:tool Socket.IO events to a client-supplied sessionid after checking only that the session was connected, allowing authenticated users who learne...

USN-8523-1: libsoup vulnerabilities

Eric Su and Samuel Dainard discovered that libsoup incorrectly handled content with zero-length resources. An attacker could possibly use this issue to trigger a buffer over-read, resulting in information disclosure or a denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04...

PT-2026-56971

Name of the Vulnerable Software and Affected Versions DeepSeek MCP Server versions 1.4.2 through 1.6.x Description The process-global SessionStore accepts caller-supplied session id values without binding them to an authenticated principal or transport session. This allows an attacker to enumerat...

CVE-2026-59930

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, the toc plugin and TableOfContents directive generate heading IDs as predictable tocN values without slugifying the heading text, allowing attacker-controlled id="tocN" content to collide with generated anchors and...

CVE-2026-56437

Uncontrolled search path element issue exists in Pupsman versions prior to 3.9.0. If a crafted DLL file is placed in the same folder as the affected installer and the installer is executed, arbitrary code may be executed with SYSTEM privilege...

CVE-2026-55428 Coder: Route hijacking through lack of validation of agent-supplied AllowedIPs in tailnet coordinator

Coder allows organizations to provision remote development environments via Terraform. Prior to versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2, the tailnet coordinator validates that an agent's Addresses derive from its authenticated UUID but applies no equivalent check to AllowedIPs. The coordinato...

CVE-2026-55428 Coder: Route hijacking through lack of validation of agent-supplied AllowedIPs in tailnet coordinator

Coder allows organizations to provision remote development environments via Terraform. Prior to versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2, the tailnet coordinator validates that an agent's Addresses derive from its authenticated UUID but applies no equivalent check to AllowedIPs. The coordinato...

CVE-2026-53935

Cilium is a networking, observability, and security solution. Prior to 1.17.16, from 1.18.2 to 1.18.9, and from 1.19.0 to 1.19.3, users with the ability to create CiliumLocalRedirectPolicies can specify arbitrary ClusterIPs via addressMatcher, enabling hijacking traffic to Services in any namespa...

CVE-2026-53935 CiliumLocalRedirectPolicy addressMatcher allows cross-namespace service traffic hijacking and can break service translation

Cilium is a networking, observability, and security solution. Prior to 1.17.16, from 1.18.2 to 1.18.9, and from 1.19.0 to 1.19.3, users with the ability to create CiliumLocalRedirectPolicies can specify arbitrary ClusterIPs via addressMatcher, enabling hijacking traffic to Services in any namespa...

CVE-2026-53935

Cilium is a networking, observability, and security solution. Prior to 1.17.16, from 1.18.2 to 1.18.9, and from 1.19.0 to 1.19.3, users with the ability to create CiliumLocalRedirectPolicies can specify arbitrary ClusterIPs via addressMatcher, enabling hijacking traffic to Services in any namespa...

CVE-2026-53935

Summary: CVE-2026-53935 affects Cilium versions prior to 1.17.16, 1.18.2–1.18.9, and 1.19.0–1.19.3. An attacker who can create a CiliumLocalRedirectPolicy may specify arbitrary ClusterIPs via addressMatcher, enabling cross-namespace traffic hijacking to Services and bypassing serviceMatcher names...

CVE-2026-53935 CiliumLocalRedirectPolicy addressMatcher allows cross-namespace service traffic hijacking and can break service translation

Cilium is a networking, observability, and security solution. Prior to 1.17.16, from 1.18.2 to 1.18.9, and from 1.19.0 to 1.19.3, users with the ability to create CiliumLocalRedirectPolicies can specify arbitrary ClusterIPs via addressMatcher, enabling hijacking traffic to Services in any namespa...

CVE-2026-53935 CiliumLocalRedirectPolicy addressMatcher allows cross-namespace service traffic hijacking and can break service translation

Cilium is a networking, observability, and security solution. Prior to 1.17.16, from 1.18.2 to 1.18.9, and from 1.19.0 to 1.19.3, users with the ability to create CiliumLocalRedirectPolicies can specify arbitrary ClusterIPs via addressMatcher, enabling hijacking traffic to Services in any namespa...

Cross-site Scripting (XSS)

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Cross-site Scripting XSS in the embeds property of response messages, which is loaded into an iFrame with an insufficiently restrictive sandbox. An attacker can execute arbitrary JavaScript in the context of...

PYSEC-2026-1223 Bokeh server applications have Incomplete Origin Validation in WebSockets

This vulnerability allows for Cross-Site WebSocket Hijacking CSWSH of a deployed Bokeh server instance. Scope This vulnerability is only relevant to deployed Bokeh server instances. There is no impact on static HTML output, standalone embedded plots, or Jupyter notebook usage. This vulnerability...

GO-2026-5915 Coder: Route hijacking through lack of validation of agent-supplied AllowedIPs in tailnet coordinator in github.com/coder/coder

Coder: Route hijacking through lack of validation of agent-supplied AllowedIPs in tailnet coordinator in github.com/coder/coder...

GO-2026-5914 CiliumLocalRedirectPolicy addressMatcher allows cross-namespace service traffic hijacking and can break service translation in github.com/cilium/cilium

CiliumLocalRedirectPolicy addressMatcher allows cross-namespace service traffic hijacking and can break service translation in github.com/cilium/cilium...