SecurEnvoy Two Factor Authentication - LDAP Injection

Multiple LDAP injections vulnerabilities exist in SecurEnvoy MFA before 9.4.514 due to improper validation of user-supplied input. An unauthenticated remote attacker could exfiltrate data from Active Directory through blind LDAP injection attacks against the DESKTOP service exposed on the...

CVE-2026-59243

The FAB auth manager's Azure AD OAuth login defaulted verifysignature=False when decoding the ID token, so an attacker able to present a forged or unsigned alg:none ID token to the OAuth callback could bypass authentication and log in as an arbitrary user, including one holding the Admin role...

EUVD-2026-50216

The FAB auth manager's Azure AD OAuth login defaulted verifysignature=False when decoding the ID token, so an attacker able to present a forged or unsigned alg:none ID token to the OAuth callback could bypass authentication and log in as an arbitrary user, including one holding the Admin role...

CVE-2026-59243

The CVE-2026-59243 vulnerability affects the apache-airflow-providers-fab package before 3.7.3, where the FAB auth manager’s Azure AD OAuth login defaulted verify_signature=False when decoding the ID token. An attacker who can present a forged or unsigned (alg:none) ID token to the OAuth callback...

CVE-2026-58222

Samba AD LDAP Compare filter injection and trusted-request confusion disclose protected attributes. An ordinary authenticated domain user can bypass access checks and query confidential Active Directory attributes such as KDS root keys via LDAP Compare requests. Due to a filter injection flaw and...

UBUNTU-CVE-2026-58222

Samba AD LDAP Compare filter injection and trusted-request confusion disclose protected attributes. An ordinary authenticated domain user can bypass access checks and query confidential Active Directory attributes such as KDS root keys via LDAP Compare requests. Due to a filter injection flaw and...

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...

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...

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...