Windows Snipping Tool - NTLMv2 Hash Hijack

Exploit Title: Windows Snipping Tool - NTLMv2 Hash Hijack Date: 2026-04-22 Exploit Author: nu11secur1ty Video Demo: https://www.patreon.com/posts/cve-2026-33829-156243398 Vendor Homepage: https://www.microsoft.com Software Link: Built-in Windows Snipping Tool Version: Windows 10, Windows 11,...

Open WebUI 安全漏洞

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI that is open source. Versions of Open WebUI prior to 0.9.0 contained security vulnerabilities. These vulnerabilities stemmed from the lack of prefixes for the toolservers and terminalservers keys in the utils/tools.py...

Open WebUI 安全漏洞

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI under open source. Versions of Open WebUI prior to 0.8.6 contained security vulnerabilities. These vulnerabilities stemmed from the chat completion API, where tool IDs and server parameters were provided by users witho...

Security update for go1.25

This update for go1.25 fixes the following issues Security issues: CVE-2026-33811: net: crash when handling long CNAME response bsc1264508. CVE-2026-33814: net/http: infinite loop in HTTP/2 transport when given bad SETTINGSMAXFRAMESIZE bsc1264506. CVE-2026-39817: cmd/go: "go tool pack" does not...

SUSE-SU-2026:1862-1 Security update for go1.25

This update for go1.25 fixes the following issues Security issues: - CVE-2026-33811: net: crash when handling long CNAME response bsc1264508. - CVE-2026-33814: net/http: infinite loop in HTTP/2 transport when given bad SETTINGSMAXFRAMESIZE bsc1264506. - CVE-2026-39817: cmd/go: 'go tool pack' does...

Security update for go1.26

This update for go1.26 fixes the following issues Security issues: CVE-2026-33811: net: crash when handling long CNAME response bsc1264508. CVE-2026-33814: net/http: infinite loop in HTTP/2 transport when given bad SETTINGSMAXFRAMESIZE bsc1264506. CVE-2026-39817: cmd/go: "go tool pack" does not...

SUSE-SU-2026:1861-1 Security update for go1.26

This update for go1.26 fixes the following issues Security issues: - CVE-2026-33811: net: crash when handling long CNAME response bsc1264508. - CVE-2026-33814: net/http: infinite loop in HTTP/2 transport when given bad SETTINGSMAXFRAMESIZE bsc1264506. - CVE-2026-39817: cmd/go: 'go tool pack' does...

Command Injection

Overview utcp-cli is an UTCP communication protocol plugin for wrapping local command-line tools. Affected versions of this package are vulnerable to Command Injection via the substituteutcpargs function. An attacker can execute arbitrary shell commands by supplying crafted input to the toolargs...

NPM: DeepSeek TUI: run_tests Tool Enables RCE via Malicious Repository Without Approval

NPM: DeepSeek TUI: runtests Tool Enables RCE via Malicious Repository Without Approval vulnerability discovered by ? in WordPress Npm deepseek-tui versions = 0.3.0, 0.8.23...

DeepSeek TUI: run_tests Tool Enables RCE via Malicious Repository Without Approval

Summary The runtests tool executes cargo test in the workspace with ApprovalRequirement::Auto, meaning it runs without any user approval prompt. The source code explicitly states this design choice: rust fn approvalrequirement&self - ApprovalRequirement // Tests are encouraged, so avoid gating th...

GHSA-96FF-GC8G-WPVG DeepSeek TUI has SSRF via HTTP Redirect Bypass in fetch_url Tool

Summary The fetchurl tool validates the initial URL's resolved IP address against a restricted-IP blocklist isrestrictedip to prevent SSRF attacks against internal services cloud metadata endpoints, localhost, private networks. However, the HTTP client reqwest is configured to automatically follo...

NPM: DeepSeek TUI has SSRF via HTTP Redirect Bypass in fetch_url Tool

NPM: DeepSeek TUI has SSRF via HTTP Redirect Bypass in fetchurl Tool vulnerability discovered by ? in WordPress Npm deepseek-tui versions 0.8.22...

Incorrect Authorization

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Incorrect Authorization through the updatetoolsbyid handler in routers/tools.py. An attacker can execute arbitrary Python code on the server by sending a tool update that modifies the tool's content after...

NPM: Open WebUI: Missing `workspace.tools` Authorization Check on Tool Update Endpoint Allows Privilege Escalation to Code Execution

NPM: Open WebUI: Missing workspace.tools Authorization Check on Tool Update Endpoint Allows Privilege Escalation to Code Execution vulnerability discovered by ? in WordPress Npm open-webui versions 0.9.5...

Open WebUI: Missing `workspace.tools` Authorization Check on Tool Update Endpoint Allows Privilege Escalation to Code Execution

Summary The tool update endpoint POST /api/v1/tools/id/id/update is missing the workspace.tools permission check that is present on the tool create endpoint. This allows a user who has been explicitly denied tool management capabilities and who the administrator considers untrusted for code...

GHSA-P4FX-23FQ-JFG6 Open WebUI: Missing `workspace.tools` Authorization Check on Tool Update Endpoint Allows Privilege Escalation to Code Execution

Summary The tool update endpoint POST /api/v1/tools/id/id/update is missing the workspace.tools permission check that is present on the tool create endpoint. This allows a user who has been explicitly denied tool management capabilities and who the administrator considers untrusted for code...

GHSA-4PCG-253R-RF9W Open WebUI's chat completion API allows tool restrictions to be bypassed

Summary Open WebUI v0.6.43 contains a vulnerability in its chat completion API, which allows attackers to bypass tool restrictions, potentially enabling unauthorized actions or access. Details In the chatcompletion API, the parameters toolids and toolservers are supplied by the user. These...

Missing Authorization

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Missing Authorization via the chatcompletion API when user-supplied toolids or toolservers parameters are processed without verifying the user's permissions. An attacker can gain unauthorized access to...

Open WebUI's chat completion API allows tool restrictions to be bypassed

Summary Open WebUI v0.6.43 contains a vulnerability in its chat completion API, which allows attackers to bypass tool restrictions, potentially enabling unauthorized actions or access. Details In the chatcompletion API, the parameters toolids and toolservers are supplied by the user. These...

CVE-2026-44661

python-utcp is the python implementation of UTCP. Prior to 1.1.3, the utcp-http plugin is vulnerable to a blind Server-Side Request Forgery SSRF caused by a trust-boundary inconsistency between manual discovery and tool invocation. registermanual validates the discovery URL against an HTTPS /...