CVE-2026-58251

NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.14.0, 2.12.7, and 2.11.16, an authenticated user with subscription deny permissions could bypass a plain subject deny rule by using a queue subscription, because queue-specific deny...

CVE-2026-58251 NATS Server: Queue Subscribe Authz Bypass

NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.14.0, 2.12.7, and 2.11.16, an authenticated user with subscription deny permissions could bypass a plain subject deny rule by using a queue subscription, because queue-specific deny...

CVE-2026-58251 NATS Server: Queue Subscribe Authz Bypass

NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.14.0, 2.12.7, and 2.11.16, an authenticated user with subscription deny permissions could bypass a plain subject deny rule by using a queue subscription, because queue-specific deny...

Authentication Bypass

github.com/nats-io/nats-server is vulnerable to Authentication bypass. The vulnerability is due to a failure to enforce negative user permissions in one scenario. Attackers can exploit this by using a queue subscription on the wildcard to access denied subjects...

NATS Server and Streaming Server fails to enforce negative user permissions, may allow denied subjects

NATS.io NATS Server before 2.8.2 and Streaming Server before 0.24.6 could allow a remote attacker to bypass security restrictions, caused by the failure to enforce negative user permissions in one scenario. By using a queue subscription on the wildcard, an attacker could exploit this vulnerabilit...

UBUNTU-CVE-2022-29946

NATS.io NATS Server before 2.8.2 and Streaming Server before 0.24.6 could allow a remote attacker to bypass security restrictions, caused by the failure to enforce negative user permissions in one scenario. By using a queue subscription on the wildcard, an attacker could exploit this vulnerabilit...

CVE-2021-44522

A vulnerability has been identified in SiPass integrated V2.76 All versions, SiPass integrated V2.80 All versions, SiPass integrated V2.85 All versions, Siveillance Identity V1.5 All versions, Siveillance Identity V1.6 All versions V1.6.284.0. Affected applications insufficiently limit the access...

Design/Logic Flaw

A vulnerability has been identified in SiPass integrated V2.76 All versions, SiPass integrated V2.80 All versions, SiPass integrated V2.85 All versions, Siveillance Identity V1.5 All versions, Siveillance Identity V1.6 All versions V1.6.284.0. Affected applications insufficiently limit the access...