CVE-2026-53561

An improper authentication vulnerability in HiveServer2 SAML bearer-token validation in Apache Hive 4.0.0 through 4.2.0 and later unreleased branches on deployments using HTTP transport with hive.server2.authentication=SAML allows an unauthenticated network attacker to authenticate as an arbitrar...

CVE-2026-53561 Apache Hive: Unauthenticated authentication bypass in HiveServer2 HTTP SAML bearer-token validation allows impersonation of any Hive user

An improper authentication vulnerability in HiveServer2 SAML bearer-token validation in Apache Hive 4.0.0 through 4.2.0 and later unreleased branches on deployments using HTTP transport with hive.server2.authentication=SAML allows an unauthenticated network attacker to authenticate as an arbitrar...

CVE-2026-53561 Apache Hive: Unauthenticated authentication bypass in HiveServer2 HTTP SAML bearer-token validation allows impersonation of any Hive user

An improper authentication vulnerability in HiveServer2 SAML bearer-token validation in Apache Hive 4.0.0 through 4.2.0 and later unreleased branches on deployments using HTTP transport with hive.server2.authentication=SAML allows an unauthenticated network attacker to authenticate as an arbitrar...

CVE-2026-53561

Apache Hive versions 4.0.0 through 4.2.0 are vulnerable to an improper authentication flaw in the HiveServer2 SAML bearer-token validation. When using HTTP transport with hive.server2.authentication=SAML, the doSamlAuth process in ThriftHttpServlet.java and HiveSamlAuthTokenGenerator.java fails t...

CVE-2026-53561 Apache Hive: Unauthenticated authentication bypass in HiveServer2 HTTP SAML bearer-token validation allows impersonation of any Hive user

An improper authentication vulnerability in HiveServer2 SAML bearer-token validation in Apache Hive 4.0.0 through 4.2.0 and later unreleased branches on deployments using HTTP transport with hive.server2.authentication=SAML allows an unauthenticated network attacker to authenticate as an arbitrar...

CVE-2026-53561

An improper authentication vulnerability in HiveServer2 SAML bearer-token validation in Apache Hive 4.0.0 through 4.2.0 and later unreleased branches on deployments using HTTP transport with hive.server2.authentication=SAML allows an unauthenticated network attacker to authenticate as an arbitrar...

EUVD-2026-65394

An improper authentication vulnerability in HiveServer2 SAML bearer-token validation in Apache Hive 4.0.0 through 4.2.0 and later unreleased branches on deployments using HTTP transport with hive.server2.authentication=SAML allows an unauthenticated network attacker to authenticate as an arbitrar...

Attackers Target miniOrange SAML Flaws That Can Grant WordPress Admin Access

Bad actors are attempting to exploit two severe unauthenticated authentication bypasses in the Xecurify miniOrange SAML 2.0 Single Sign On plugin that make it possible for an attacker to sign in as any WordPress user, including administrators. The vulnerabilities, as disclosed by Patchstack, are...

SUSE CVE-2026-23933

In Zabbix 7.4 the cryptographic key used for signing Frontend sessions has been erroneously written to the database seed. Currently the only known exploitation scenario is for deployments that utilize both - SAML authentication and guest users. In such cases the key can be used to forge valid...

PT-2026-81913

Name of the Vulnerable Software and Affected Versions Kimai versions prior to 2.53.0 Description An open redirect issue exists in the SAML authentication success handler. The system accepts unvalidated RelayState POST parameters as redirect destinations, allowing attackers with Identity Provider...

CVE-2026-79772: Unchecked Return Value

Nokogiri versions before 1.19.1 fail to check the return value from xmlC14NExecute in the canonicalize method, returning an empty string on failure instead of raising an exception. Attackers can exploit this to bypass signature validation in downstream SAML libraries by providing invalid...

PT-2026-81255

Name of the Vulnerable Software and Affected Versions Apache Hive versions 4.0.0 through 4.2.0 Description Improper authentication occurs during SAML bearer-token validation in HiveServer2 on deployments using HTTP transport with hive.server2.authentication=SAML. An unauthenticated network attack...

PT-2026-81296

Name of the Vulnerable Software and Affected Versions miniOrange SAML SSO versions prior to 11.0.2 SAML SP Single Sign On – Login with ADFS versions prior to 6.4 SAML SP Single Sign On – SAML SSO login with Google Apps versions prior to 6.4 Description An authentication bypass exists due to the m...

CVE-2026-53561: Improper Authentication

An improper authentication vulnerability in HiveServer2 SAML bearer-token validation in Apache Hive 4.0.0 through 4.2.0 and later unreleased branches on deployments using HTTP transport with hive.server2.authentication=SAML allows an unauthenticated network attacker to authenticate as an arbitrar...

CVE-2026-77998: Authorization Bypass Through User-Controlled Key

Joomla Extension - miniorange.com - Unauthenticated Authentication Bypass via SAMLResponse Parameter in miniOrange SAML SSO 11.0.2, SAML SP Single Sign On – Login with ADFS 6.4, SAML SP Single Sign On – SAML SSO login with Google Apps 6.4 - This is due to the mosamlvalidatesignature function...

Improper Authentication

Keycloak is vulnerable to Improper Authentication. The vulnerability is due to incorrect handling of SAML identity provider metadata that lacks key usage attributes, which allows an unauthenticated attacker to bypass SAML signature validation, forge a SAML response, and gain unauthorized access t...

BIT-AUTHENTIK-2026-57580 authentik: Account Takeover via SAML NameID Comment Truncation

authentik is an open-source identity provider. Prior to 2026.2.6 and 2026.5.5, an inbound SAML Source configured with the non-default USERNAMELINK or EMAILLINK user-matching mode interprets an XML comment in a NameID differently from the identity provider's signed assertion. An attacker with an...

Exploit for CVE-2025-44810

Patch: CVE-2025-44810 Vulnerability Details - CVE: CVE...

PT-2026-79842

authentik is an open-source identity provider. Prior to 2026.2.6 and 2026.5.5, an inbound SAML Source configured with the non-default USERNAME LINK or EMAIL LINK user-matching mode interprets an XML comment in a NameID differently from the identity provider's signed assertion. An attacker with an...

PT-2026-81197

Attackers are forging SAML responses to bypass WordPress authentication in miniOrange SSO plugin exploits. TRC analysis shows threat actors gained admin access through CVE-2024-61979 and CVE-2024-15981, then escalated privileges within compromised CMS environments. Runtime segmentation helps...