UBUNTU-CVE-2026-58221

Samba AD authenticated LDAP access domain takeover. Samba AD low-privilege authenticated LDAP access allows modifications to internal LDB special DNs, which permits a domain takeover...

CVE-2026-58222

A security flaw combining LDAP filter injection and improper authorization checks was found in Samba Active Directory Domain Controller AD DC. When processing LDAP Compare requests, Samba fails to properly validate user-supplied attribute names and executes the resulting internal database search ...

Samba AD LDAP Compare filter injection and trusted-request

Description Samba's LDAP CompareRequest path contains two independent security flaws that can be combined by an authenticated attacker to construct a reliable oracle for protected confidential Active Directory attributes. 1. Filter Injection Flaw When processing an LDAP Compare request, Samba...

Samba AD authenticated LDAP access domain takeover

Description Samba AD stores internal database configuration in LDB special records such as @MODULES and @PARTITION. These records are not directory objects and should never be writable by a normal LDAP client. An authenticated low-privilege domain user can nevertheless modify them through LDAP. T...

Important: sssd security, bug fix, and enhancement update

The System Security Services Daemon SSSD service provides a set of daemons to manage access to remote directories and authentication mechanisms. It also provides the Name Service Switch NSS and the Pluggable Authentication Modules PAM interfaces toward the system, and a pluggable back-end system ...

July Microsoft Patch Tuesday

July Microsoft Patch Tuesday. In the second week of July, I was on vacation in St. Petersburg. After that, I got caught up with a bunch of other tasks, so I'm only publishing this roundup now. Better late than never, especially considering how unusual this MSPT turned out to be. 😉 In total, 571...

Certighost Exploit Lets Low-Privileged Active Directory Users Impersonate a Domain Controller

Researchers H0j3n and Aniq Fakhrul published a working exploit on July 24 that lets a low-privileged Active Directory user obtain a certificate for a Domain Controller and authenticate as that machine. They codenamed the flaw Certighost. Because Domain Controller accounts carry directory...

OESA-2026-3148 sssd security update

Provides a set of daemons to manage access to remote directories and authentication mechanisms. It provides an NSS and PAM interface toward the system and a pluggable back end system to connect to multiple different account sources. It is also the basis to provide client auditing and policy...

OESA-2026-3147 sssd security update

Provides a set of daemons to manage access to remote directories and authentication mechanisms. It provides an NSS and PAM interface toward the system and a pluggable back end system to connect to multiple different account sources. It is also the basis to provide client auditing and policy...

EUVD-2026-46164

Zohocorp ManageEngine ADSelfService Plus versions before 6524 are vulnerable to Multi Factor Authentication Bypass...

sssd: sssd: GPO cache path traversal via unsanitized gPCFileSysPath allows Kerberos authentication bypass

A path traversal flaw was found in SSSD's AD GPO provider. The adgpoextractsmbcomponents function does not sanitize .. sequences in the gPCFileSysPath LDAP attribute, allowing an attacker with AD GPO management access to write files outside the GPO cache directory as root. On default RHEL...

Important: sssd

Issue Overview: A flaw was found in sssd. When authenticating with a YubiKey, the SSSD PAM responder can crash due to a use-after-free vulnerability, where a memory pointer is incorrectly handled. A local attacker could exploit this flaw by manipulating smartcard or YubiKey contents, leading to a...

Nimux 1.0.2

Nimux is a native command surface for authorized security assessments. It combines network enumeration, credential validation, Active Directory operations, Kerberos workflows, remote execution, file movement, secrets collection, DCSync, GPO operations, database clients, and SOCKS routing into one...

The vulnerability of the Active Directory Federation Services (ADFS) allows a perpetrator to trigger a service failure.

The vulnerability of Active Directory Federation Services AD FS is related to the execution of operations outside the buffer in memory. Exploiting this vulnerability could allow a malicious actor to cause a service failure...

OESA-2026-3021 sssd security update

Provides a set of daemons to manage access to remote directories and authentication mechanisms. It provides an NSS and PAM interface toward the system and a pluggable back end system to connect to multiple different account sources. It is also the basis to provide client auditing and policy...

PT-2026-60486

Name of the Vulnerable Software and Affected Versions Microsoft Office 365 Integration plugin versions prior to 4.5.6 Microsoft Office 365 Integration plugin versions prior to 5.0.5 Microsoft Office 365 Integration plugin versions prior to 5.1.1 Description The Microsoft Office 365 Integration...

Alibaba Cloud Linux 3 : 0192: freeipmi (ALINUX3-SA-2026:0192)

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by a vulnerability as referenced in the ALINUX3-SA-2026:0192 advisory. Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities: CVE-2026-50031: ipmi-oem in FreeIPMI before 1.6.18...

BIT-PROMETHEUS-2026-42151 Prometheus Azure AD remote write OAuth client secret exposed via config API

Prometheus is an open-source monitoring system and time series database. Prior to versions 3.5.3 and 3.11.3, the clientsecret field in the Azure AD remote write OAuth configuration storage/remote/azuread was typed as string instead of Secret. Prometheus redacts fields of type Secret when serving...

Microsoft’s July 2026 Patch Tuesday fixes 622 flaws and 2 exploited zero-days

Microsoft’s July 2026 Patch Tuesday fixes 622 CVEs, including exploited AD FS and SharePoint flaws, plus the disclosed BitLocker bypass requiring urgent action...

The vulnerability of Active Directory Domain Services (AD DS) on Windows operating systems allows a perpetrator to execute arbitrary code.

The vulnerability of Active Directory Domain Services AD DS on Windows operating systems is related to overflow of a buffer in dynamic memory. Exploiting this vulnerability allows an attacker to execute arbitrary code by sending specially crafted data...