EUVD-2026-44960

Yamcs: Insecure Direct Object Reference IDOR in PacketsApi allows unprivileged users to dump all telemetry packets...

Missing Authorization

Overview Affected versions of this package are vulnerable to Missing Authorization through the exportPackets process. An attacker can access sensitive telemetry data by sending an API request without specifying any packet names, which bypasses intended privilege checks and streams all available...

GHSA-8XJQ-PR36-CCGF Yamcs: Insecure Direct Object Reference (IDOR) in PacketsApi allows unprivileged users to dump all telemetry packets

Summary The PacketsApi.exportPackets endpoint in Yamcs fails to properly enforce object-level privileges ReadPacket when an API request omits specific packet names. As a result, an attacker with a low-privileged account or any authenticated user with zero privileges can dump the entire archive of...

Yamcs: Insecure Direct Object Reference (IDOR) in PacketsApi allows unprivileged users to dump all telemetry packets

Summary The PacketsApi.exportPackets endpoint in Yamcs fails to properly enforce object-level privileges ReadPacket when an API request omits specific packet names. As a result, an attacker with a low-privileged account or any authenticated user with zero privileges can dump the entire archive of...

Yamcs's Missing Authorization on Role and Privilege Enumeration Endpoints Allows Any Authenticated User to Disclose Full Security Configuration

Summary Missing authorization checks on three IAM API endpoints GET /api/roles, GET /api/roles/name, GET /api/privileges allow any authenticated user — regardless of their assigned permissions — to enumerate the complete list of system privileges and role definitions. An attacker with only a...

GHSA-CVW4-55PP-3HFQ Yamcs's Missing Authorization on Role and Privilege Enumeration Endpoints Allows Any Authenticated User to Disclose Full Security Configuration

Summary Missing authorization checks on three IAM API endpoints GET /api/roles, GET /api/roles/name, GET /api/privileges allow any authenticated user — regardless of their assigned permissions — to enumerate the complete list of system privileges and role definitions. An attacker with only a...

Missing Authorization

Overview Affected versions of this package are vulnerable to Missing Authorization via the IamApi endpoints responsible for role and privilege enumeration. An attacker can access sensitive security configuration data by sending authenticated requests to GET /api/roles, GET /api/roles/name, or GET...

Attackers Chain Two PaperCut Flaws to Execute Code Without Authentication

Malicious actors are exploiting a newly patched security flaw in PaperCut NG and MF to execute arbitrary code on susceptible instances, as the company released a fresh emergency fix with additional hardening. "This vulnerability gives an unauthenticated attacker remote control over PaperCut's...

CVE-2026-55547 Yamcs: Missing Authorization on Role and Privilege Enumeration Endpoints Allows Any Authenticated User to Disclose Full Security Configuration

Yamcs is a mission control framework. Prior to 5.12.8 and 5.13.2, Yamcs omits SystemPrivilege.ControlAccess checks from IamApi.listRoles, IamApi.getRole, and IamApi.listPrivileges in yamcs-core/src/main/java/org/yamcs/http/api/IamApi.java. Any authenticated account can call GET /api/roles, GET...

CVE-2026-55547

CVE-2026-55547 affects Yamcs , a mission control framework, in versions prior to 5.12.8 and 5.13.2 . The root cause is missing SystemPrivilege.ControlAccess authorization checks in three IAM API endpoints (GET /api/roles, GET /api/roles/{name}, GET /api/privileges) within IamApi.java. Any authent...

EUVD-2026-67840

Yamcs is a mission control framework. Prior to 5.12.8 and 5.13.2, Yamcs omits SystemPrivilege.ControlAccess checks from IamApi.listRoles, IamApi.getRole, and IamApi.listPrivileges in yamcs-core/src/main/java/org/yamcs/http/api/IamApi.java. Any authenticated account can call GET /api/roles, GET...

CVE-2026-55547 Yamcs: Missing Authorization on Role and Privilege Enumeration Endpoints Allows Any Authenticated User to Disclose Full Security Configuration

Yamcs is a mission control framework. Prior to 5.12.8 and 5.13.2, Yamcs omits SystemPrivilege.ControlAccess checks from IamApi.listRoles, IamApi.getRole, and IamApi.listPrivileges in yamcs-core/src/main/java/org/yamcs/http/api/IamApi.java. Any authenticated account can call GET /api/roles, GET...

CVE-2026-55547 Yamcs: Missing Authorization on Role and Privilege Enumeration Endpoints Allows Any Authenticated User to Disclose Full Security Configuration

Yamcs is a mission control framework. Prior to 5.12.8 and 5.13.2, Yamcs omits SystemPrivilege.ControlAccess checks from IamApi.listRoles, IamApi.getRole, and IamApi.listPrivileges in yamcs-core/src/main/java/org/yamcs/http/api/IamApi.java. Any authenticated account can call GET /api/roles, GET...

GHSA-FWWW-CP23-7F5G Yamcs's WebSocket subscription handlers omit the privilege checks their REST siblings enforce

Asset / scope: Yamcs 5.12.7 WebSocket topics packets, algorithm-status, mdb-changes Summary Several WebSocket subscription handlers do not perform the privilege check that their REST counterparts enforce, so a principal subscribing over WebSocket receives data the REST API would have scoped or...

Yamcs's WebSocket subscription handlers omit the privilege checks their REST siblings enforce

Asset / scope: Yamcs 5.12.7 WebSocket topics packets, algorithm-status, mdb-changes Summary Several WebSocket subscription handlers do not perform the privilege check that their REST counterparts enforce, so a principal subscribing over WebSocket receives data the REST API would have scoped or...

Missing Authorization

Overview Affected versions of this package are vulnerable to Missing Authorization in the WebSocket subscription handlers for packets, algorithm-status, and mdb-changes. An attacker can access sensitive data by subscribing to these WebSocket topics without the privilege checks that are enforced i...

CVE-2026-55545 Yamcs: WebSocket subscription handlers omit the privilege checks their REST siblings enforce

Yamcs is a mission control framework. Prior to 5.12.8 and 5.13.2, Yamcs WebSocket subscription handlers fail to enforce the privileges required by equivalent REST endpoints. PacketsApi.subscribePackets exposes the packets WebSocket topic without ObjectPrivilegeType.ReadPacket,...

CVE-2026-55545

CVE-2026-55545 is an authorization bypass in Yamcs , a mission control framework, affecting versions prior to 5.12.8 and 5.13.2 . Three WebSocket subscription handlers fail to enforce the privilege checks their REST counterparts require: PacketsApi.subscribePackets omits the ReadPacket check, Pro...

CVE-2026-55545 Yamcs: WebSocket subscription handlers omit the privilege checks their REST siblings enforce

Yamcs is a mission control framework. Prior to 5.12.8 and 5.13.2, Yamcs WebSocket subscription handlers fail to enforce the privileges required by equivalent REST endpoints. PacketsApi.subscribePackets exposes the packets WebSocket topic without ObjectPrivilegeType.ReadPacket,...

CVE-2026-55545 Yamcs: WebSocket subscription handlers omit the privilege checks their REST siblings enforce

Yamcs is a mission control framework. Prior to 5.12.8 and 5.13.2, Yamcs WebSocket subscription handlers fail to enforce the privileges required by equivalent REST endpoints. PacketsApi.subscribePackets exposes the packets WebSocket topic without ObjectPrivilegeType.ReadPacket,...