CVE-2026-18207 Keycloak-services: keycloak-services: client policy source-group condition bypass via duplicate group name matching

A flaw was found in the client policy enforcement mechanism of Keycloak. The issue occurs when the system checks group membership by name instead of a unique identifier. An attacker with client management privileges could bypass security policies by joining a group with a matching name in a...

EUVD-2026-50214

A flaw was found in the client policy enforcement mechanism of Keycloak. The issue occurs when the system checks group membership by name instead of a unique identifier. An attacker with client management privileges could bypass security policies by joining a group with a matching name in a...

CVE-2026-18207

CVE-2026-18207 : Keycloak-services suffers a group-name based membership check bug in the client policy enforcement, allowing an attacker with client-management privileges to bypass security hardening by joining a differently-nested group with the same name. This can enable registering or updatin...

CVE-2026-18207 Keycloak-services: keycloak-services: client policy source-group condition bypass via duplicate group name matching

A flaw was found in the client policy enforcement mechanism of Keycloak. The issue occurs when the system checks group membership by name instead of a unique identifier. An attacker with client management privileges could bypass security policies by joining a group with a matching name in a...

CVE-2026-18207

A flaw was found in the client policy enforcement mechanism of Keycloak. The issue occurs when the system checks group membership by name instead of a unique identifier. An attacker with client management privileges could bypass security policies by joining a group with a matching name in a...

CVE-2026-64556 perf/core: Detach event groups during remove_on_exec

In the Linux kernel, the following vulnerability has been resolved: perf/core: Detach event groups during removeonexec perfeventremoveonexec removes events by calling perfeventexitevent. For top-level events, this removes the event from the context with DETACHEXIT only. This can leave inconsisten...

CVE-2026-64556

In the Linux kernel, the following vulnerability has been resolved: perf/core: Detach event groups during removeonexec perfeventremoveonexec removes events by calling perfeventexitevent. For top-level events, this removes the event from the context with DETACHEXIT only. This can leave inconsisten...

EUVD-2026-50201

In the Linux kernel, the following vulnerability has been resolved: perf/core: Detach event groups during removeonexec perfeventremoveonexec removes events by calling perfeventexitevent. For top-level events, this removes the event from the context with DETACHEXIT only. This can leave inconsisten...

CVE-2026-64556 perf/core: Detach event groups during remove_on_exec

In the Linux kernel, the following vulnerability has been resolved: perf/core: Detach event groups during removeonexec perfeventremoveonexec removes events by calling perfeventexitevent. For top-level events, this removes the event from the context with DETACHEXIT only. This can leave inconsisten...

Send and Pretend: Exploiting Transcript Consistency Issues in End-To-End Encrypted Group Chats

End-to-end encrypted E2EE messaging apps are widely praised for their security and thus also used for sensitive coordination in group chats e.g., by political decision makers. After Threema and WhatsApp, also Signal and iMessage have recently introduced polls to aid agreement processes in groups...

PT-2026-65741

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw exists in the client policy enforcement mechanism where the system verifies group membership using names rather than unique identifiers. An attacker possessing client management...

PT-2026-65734

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the perf/core component where the perf event remove on exec function removes events by calling perf event exit event. For top-level events, this process only uses DETA...

Pocket ID: OIDC refresh token flow bypasses authorization revocation, account disabling, and group restrictions

OIDC Refresh Token Flow Bypasses Authorization Revocation, Account Disabling, and Group Restrictions Summary The createTokenFromRefreshToken function oidcservice.go:451 validates the refresh token's cryptographic integrity but does not re-validate the user's current authorization state before...

EUVD-2026-29482

Pocket ID: OIDC refresh token flow bypasses authorization revocation, account disabling, and group restrictions...

GHSA-W6P7-2FXX-4F44 Pocket ID: OIDC refresh token flow bypasses authorization revocation, account disabling, and group restrictions

OIDC Refresh Token Flow Bypasses Authorization Revocation, Account Disabling, and Group Restrictions Summary The createTokenFromRefreshToken function oidcservice.go:451 validates the refresh token's cryptographic integrity but does not re-validate the user's current authorization state before...

Incorrect Authorization

Overview org.keycloak:keycloak-authz-policy-common is a KeyCloak AuthZ: Common Policy Providers Affected versions of this package are vulnerable to Incorrect Authorization in GroupPolicyProvider in the authorization policy provider. An attacker can bypass extendChildren group-based access checks ...

Nimbus Manticore Deploys NightLedger and Turns Victim Systems Into Covert Relays

The Iranian state-backed hacking group tracked as Nimbus Manticore aka GalaxyGato, Mirage Kitten, Smoke Sandstorm, Subtle Snail, and UNC1549 has been attributed to a fresh set of attacks targeting entities across the Middle East, Africa, and South Asia. The intrusions involve the use of a...

CVE-2026-58341

A flaw was found in Moodle. The actions to enable and disable group messaging did not include the necessary token to prevent a Cross-Site Request Forgery CSRF risk. A remote attacker could exploit this by tricking an authenticated user into performing unintended actions, potentially leading to...

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...

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...