CVE-2026-56766

Hydra through 9.7, fixed in commit 9cc84c2, contains a stack buffer overflow in NTLM authentication across SMTP, POP3, IMAP, NNTP, HTTP, HTTP-Proxy, and HTTP-Proxy-Urlenum modules when processing malicious NTLM Type-2 challenges. A malicious server can send a crafted NTLM Type-2 challenge with an...

CVE-2026-56766 Hydra - Stack Buffer Overflow in NTLM Authentication Handler

Hydra through 9.7, fixed in commit 9cc84c2, contains a stack buffer overflow in NTLM authentication across SMTP, POP3, IMAP, NNTP, HTTP, HTTP-Proxy, and HTTP-Proxy-Urlenum modules when processing malicious NTLM Type-2 challenges. A malicious server can send a crafted NTLM Type-2 challenge with an...

Astra Linux – Vulnerability in freerdp2

FreeRDP is a free implementation of the Remote Desktop Protocol RDP. In versions prior to 2.7.0, NT LAN Manager NTLM authentication does not properly abort when someone provides an empty password value. This issue affects FreeRDP-based RDP Server implementations. RDP clients are not affected. The...

CVE-2026-6517 Mattermost Desktop App fails to restrict the allow list of domains which NTLM credentials are passed

Mattermost Desktop App versions =6.1 5.5.13.0 fail to restrict the allow list of domains to which NTLM credentials were forwarded to in the Mattermost Desktop App which allows any user on a server without the image proxy enabled to intercept other users credentials via embedding an image that...

CVE-2026-6517

Mattermost Desktop App (versions

GHSA-7QMG-GRCP-QF25 GeoServer has an arbitrary file write vulnerability in its Master Password Dump Page

Summary A vulnerability exists that allows an authenticated administrator with access to GeoServer's security system to pass arbitrary file names to the Master Password Dump web page and create files containing the master password in plaintext. The provided file name must be an absolute path to t...

EUVD-2026-35529

Exposure of sensitive information to an unauthorized actor in Windows NTLM allows an unauthorized attacker to perform spoofing over a network...

CVE-2026-50508

Exposure of sensitive information to an unauthorized actor in Windows NTLM allows an unauthorized attacker to perform spoofing over a network...

CVE-2026-8993

D.Launcher 2 component of Slovak eID client ecosystem contains Improper URL Handler Processing vulnerability. Application registers multiple custom URL handlers that could be exploited to initiate full NTLM autentication or SMB connection to attacker infrastructure and to conduct SSRF Server Side...

CVE-2026-8993

D.Launcher 2 component of Slovak eID client ecosystem contains Improper URL Handler Processing vulnerability. Application registers multiple custom URL handlers that could be exploited to initiate full NTLM autentication or SMB connection to attacker infrastructure and to conduct SSRF Server Side...

DITEC D.Launcher 2 安全漏洞

DITEC D.Launcher 2 is an electronic signature component and integration client developed by DITEC Corporation. DITEC D.Launcher 2 has a security vulnerability. This vulnerability stems from the application registering multiple custom URL handlers. It may allow attackers to exploit these handlers ...

PT-2026-39201

Name of the Vulnerable Software and Affected Versions SolidCAM-GPPL-IDE versions 1.0.0 through 1.0.1 Description The GpplDocumentLinkHandler resolves the filename directive in GPPL postprocessor files into clickable links. The handler accepts arbitrary absolute, relative, UNC, and subfolder paths...

Exploit for Improper Authentication in Microsoft

CVE-2026-24294 - Local NTLM Reflection LPE via SMB Arbitrary P...

CVE-2026-32952

A flaw was found in the go-ntlmssp package. A remote attacker could exploit this vulnerability by sending a specially crafted NTLM NT LAN Manager challenge message. This malicious message can trigger a slice out of bounds panic, leading to a Denial of Service DoS by crashing any Go process that...

CVE-2026-32952

go-ntlmssp is a Go package that provides NTLM/Negotiate authentication over HTTP. Prior to version 0.1.1, a malicious NTLM challenge message can causes an slice out of bounds panic, which can crash any Go process using ntlmssp.Negotiator as an HTTP transport. Version 0.1.1 patches the issue...

GHSA-PJCQ-XVWQ-HHPJ go-ntlmssp NTLM challenges can panic on malformed payloads

go-ntlmssp is a Go package that provides NTLM/Negotiate authentication over HTTP. Prior to version 0.1.1, a malicious NTLM challenge message can causes an slice out of bounds panic, which can crash any Go process using ntlmssp.Negotiator as an HTTP transport. Version 0.1.1 patches the issue...

go-ntlmssp NTLM challenges can panic on malformed payloads

go-ntlmssp is a Go package that provides NTLM/Negotiate authentication over HTTP. Prior to version 0.1.1, a malicious NTLM challenge message can causes an slice out of bounds panic, which can crash any Go process using ntlmssp.Negotiator as an HTTP transport. Version 0.1.1 patches the issue...

(0Day) Microsoft Office URI Handler NTLM Response Information Disclosure Vulnerability

This vulnerability allows remote attackers to disclose NTLM responses on affected installations of Microsoft Office. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of...

Unity Linux 20.1070e Security Update: freerdp (UTSA-2026-006941)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006941 advisory. FreeRDP is a free implementation of the Remote Desktop Protocol RDP. In versions prior to 2.7.0, NT LAN Manager NTLM authentication does not properly abort when...

EUVD-2026-22991

Git for Windows is the Windows port of Git. Versions prior to 2.53.0.windows.3 do not have protections that prevent attackers from obtaining a user's NTLM hash. The NTLM hash can be obtained by tricking users into cloning a malicious repository, or checking out a malicious branch, that accesses a...