OpenVPN 2.6.0 < 2.6.21 / 2.7.x < 2.7.5 Multiple Vulnerabilities

According to its self-reported version number, the version of OpenVPN installed on the remote Windows host is affected by multiple vulnerabilities: - A use-after-free bug in ackwritebuf, triggerable by a well-timed sequence of control channel and authentication packets. CVE-2026-12996 - A...

openvpn -- multiple vulnerabilities

The OpenVPN community project team reports: ... OpenVPN 2.7.5 ... is a bugfix release fixing several security issues: Fix use-after-free bug in ackwritebuf, triggerable by a well-timed sequence of control channel + authentication packets CVE-2026-12996 Fix use-after-free bug in tlswrapreneg,...

CVE-2026-53632

A flaw was found in launch-editor. This component, used in Node.js to open files, can be tricked into accessing arbitrary paths, including Windows Universal Naming Convention UNC paths. When a malicious UNC path is opened, Windows automatically attempts NTLM authentication to a remote server...

CVE-2026-53632 NTLMv2 hash disclosure via UNC path handling on Windows

launch-editor allows users to open files with line numbers in editor from Node.js. Prior to 2.14.1, the launch-editor NPM package accesses arbitrary paths including Windows UNC paths. When a UNC path is opened, Windows automatically attempts NTLM authentication to the remote host, causing the...

Starlette: SSRF and NTLM credential theft via UNC paths in StaticFiles on Windows

Summary When serving static files on Windows, StaticFiles resolves the requested path with os.path.realpath. If a UNC path such as \attacker.com\share reaches the resolver, realpath causes the process to open a connection to the remote host over SMB port 445. This is a server-side request forgery...

NPM: launch-editor: NTLMv2 hash disclosure via UNC path handling on Windows

NPM: launch-editor: NTLMv2 hash disclosure via UNC path handling on Windows vulnerability discovered by ? in WordPress Npm vite versions = 6.4.2...

GHSA-V6WH-96G9-6WX3 launch-editor: NTLMv2 hash disclosure via UNC path handling on Windows

Summary The launch-editor NPM package accesses arbitrary paths including Windows UNC paths. When a UNC path is opened, Windows automatically attempts NTLM authentication to the remote host, causing the user’s NTLMv2 password hash to be leaked to an attacker-controlled SMB server. This can result ...

External Control of File Name or Path

Overview launch-editor is a launch editor from node.js Affected versions of this package are vulnerable to External Control of File Name or Path in the handling of UNC paths on Windows systems. An attacker can obtain NTLMv2 password hashes by tricking a user into accessing a malicious SMB server...

launch-editor: NTLMv2 hash disclosure via UNC path handling on Windows

Summary The launch-editor NPM package accesses arbitrary paths including Windows UNC paths. When a UNC path is opened, Windows automatically attempts NTLM authentication to the remote host, causing the user’s NTLMv2 password hash to be leaked to an attacker-controlled SMB server. This can result ...

CVE-2026-39908

OpenBullet2 through version 0.3.2 on Windows contains a credential disclosure vulnerability that allows remote attackers to capture the NTLMv2 hash of the process user by configuring a job proxy source with a UNC path pointing to an attacker-controlled server. When the job starts, the application...

CVE-2026-39908

OpenBullet2 ≤ v0.3.2 on Windows suffers a credential disclosure via a UNC-path proxy source. When a job loads proxies from an attacker-controlled UNC path, an SMB authentication occurs and reveals the NTLMv2 hash of the process user, enabling relay or offline cracking. Affected component is the p...

CVE-2026-25550

Seagull Software BarTender 2010, 2016, and 2019 expose an unauthenticated .NET Remoting service on TCP port 7375 (BtSystem.Service.exe). BarTenderSystem (BarTender 2016 ≤ R9) and DataServiceSingleton (BarTender 2019 ≤ R10) are registered as unauthenticated singleton endpoints configured with Bina...

CVE-2026-39907

Unisys WebPerfect Image Suite versions 3.0.3960.22810 and 3.0.3960.22604 expose an unauthenticated WCF SOAP endpoint on TCP port 1208 that accepts unsanitized file paths in the ReadLicense action's LFName parameter, allowing remote attackers to trigger SMB connections and leak NTLMv2...

CVE-2026-23751

Kofax Capture, now referred to as Tungsten Capture, version 6.0.0.0 other versions may be affected exposes a deprecated .NET Remoting HTTP channel on port 2424 via the Ascent Capture Service that is accessible without authentication and uses a default, publicly known endpoint identifier. An...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013465)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013465 advisory. A bug affects the Linux kernels ksmbd NTLMv2 authentication and is known to crash the OS immediately in Linux-based systems. Tenable has extracted the preceding...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-011330)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011330 advisory. A bug affects the Linux kernels ksmbd NTLMv2 authentication and is known to crash the OS immediately in Linux-based systems. Tenable has extracted the preceding...

CVE-2026-39906

Unisys WebPerfect Image Suite versions 3.0.3960.22810 and 3.0.3960.22604 expose a deprecated .NET Remoting TCP channel that allows remote unauthenticated attackers to leak NTLMv2 machine-account hashes by supplying a Windows UNC path as a target file argument through object-unmarshalling...

CVE-2026-39907 Unisys WebPerfect Image Suite 3.0 NTLMv2 Hash Leakage via WCF SOAP

Unisys WebPerfect Image Suite versions 3.0.3960.22810 and 3.0.3960.22604 expose an unauthenticated WCF SOAP endpoint on TCP port 1208 that accepts unsanitized file paths in the ReadLicense action's LFName parameter, allowing remote attackers to trigger SMB connections and leak NTLMv2...

PT-2026-31734

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.6.4 Description SiYuan, a personal knowledge management system, prior to version 3.6.4, configured Mermaid.js with 'securityLevel: "loose"' and 'htmlLabels: true'. This configuration allowed tags with 'src' attribute...

CVE-2026-34515

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, on Windows the static resource handler may expose information about a NTLMv2 remote path. This issue has been patched in version 3.13.4...