GHSA-962X-CCWF-8X6P Yamcs Core API has Multiple Missing Function Level Access Control vulnerabilities

Summary Multiple Missing Function Level Access Control vulnerabilities exist in the Yamcs Core API. These vulnerabilities allow any authenticated user, regardless of their assigned roles or privileges e.g., an unprivileged "Guest", to bypass intended access controls. An attacker can exploit these...

Yamcs Core API has Multiple Missing Function Level Access Control vulnerabilities

Summary Multiple Missing Function Level Access Control vulnerabilities exist in the Yamcs Core API. These vulnerabilities allow any authenticated user, regardless of their assigned roles or privileges e.g., an unprivileged "Guest", to bypass intended access controls. An attacker can exploit these...

EUVD-2026-67838

Yamcs is a mission control framework. Prior to 5.12.8 and 5.13.2, Yamcs omits authorization checks in IndexesApi.listPacketIndex, IndexesApi.listEventIndex, Cop1Api.disable, Cop1Api.resume, Cop1Api.initialize, Cop1Api.updateConfig, and TimeApi.setTime. An authenticated low-privilege user can read...

CVE-2026-55521 Yamcs : Multiple Missing Function Level Access Control vulnerabilities in Yamcs Core API

Yamcs is a mission control framework. Prior to 5.12.8 and 5.13.2, Yamcs omits authorization checks in IndexesApi.listPacketIndex, IndexesApi.listEventIndex, Cop1Api.disable, Cop1Api.resume, Cop1Api.initialize, Cop1Api.updateConfig, and TimeApi.setTime. An authenticated low-privilege user can read...

CVE-2026-55521

Yamcs , a mission control framework, contains multiple missing function-level access control vulnerabilities in its Core API. Prior to 5.12.8 and 5.13.2 , authorization checks are omitted in IndexesApi.listPacketIndex, IndexesApi.listEventIndex, Cop1Api.disable/resume/initialize/updateConfig, and...

CVE-2026-55521 Yamcs : Multiple Missing Function Level Access Control vulnerabilities in Yamcs Core API

Yamcs is a mission control framework. Prior to 5.12.8 and 5.13.2, Yamcs omits authorization checks in IndexesApi.listPacketIndex, IndexesApi.listEventIndex, Cop1Api.disable, Cop1Api.resume, Cop1Api.initialize, Cop1Api.updateConfig, and TimeApi.setTime. An authenticated low-privilege user can read...

Arbitrary Code Injection

Overview Affected versions of this package are vulnerable to Arbitrary Code Injection in the executeSql process. An attacker can execute arbitrary code with the privileges of the server process by injecting malicious Java code into a column name, which is then compiled and executed by the...

GHSA-3G44-3M7X-CGG2 Yamcs vulnerable to authenticated RCE via StreamSQL aggregate-compiler column-name injection in Yamcs `executeSql`

Overview Yamcs compiles StreamSQL expressions to Java on the fly with the Janino SimpleCompiler no restrictive class-loading policy or expression sandbox. When a StreamSQL aggregate such as sum... is applied to a column, the column's name is interpolated unescaped into the generated Java source...

Yamcs vulnerable to authenticated RCE via StreamSQL aggregate-compiler column-name injection in Yamcs `executeSql`

Overview Yamcs compiles StreamSQL expressions to Java on the fly with the Janino SimpleCompiler no restrictive class-loading policy or expression sandbox. When a StreamSQL aggregate such as sum... is applied to a column, the column's name is interpolated unescaped into the generated Java source...

EUVD-2026-67836

Yamcs is a mission control framework. Prior to 5.12.8 and 5.13.2, Yamcs allows a user with SystemPrivilege.ControlArchiving to create a double-quoted StreamSQL column name that is interpolated into generated Java source by Expression.fillCodeInputDefVars and Expression.sanitizeName. A sum aggrega...

CVE-2026-55511 Yamcs: Authenticated RCE via StreamSQL aggregate-compiler column-name injection in Yamcs `executeSql`

Yamcs is a mission control framework. Prior to 5.12.8 and 5.13.2, Yamcs allows a user with SystemPrivilege.ControlArchiving to create a double-quoted StreamSQL column name that is interpolated into generated Java source by Expression.fillCodeInputDefVars and Expression.sanitizeName. A sum aggrega...

CVE-2026-55511 Yamcs: Authenticated RCE via StreamSQL aggregate-compiler column-name injection in Yamcs `executeSql`

Yamcs is a mission control framework. Prior to 5.12.8 and 5.13.2, Yamcs allows a user with SystemPrivilege.ControlArchiving to create a double-quoted StreamSQL column name that is interpolated into generated Java source by Expression.fillCodeInputDefVars and Expression.sanitizeName. A sum aggrega...

CVE-2026-55511

Yamcs is a mission control framework. In versions prior to 5.12.8 and 5.13.2 , an authenticated user holding the SystemPrivilege.ControlArchiving privilege can inject arbitrary Java into the StreamSQL aggregate expression compiler by crafting a malicious double-quoted column name. The column name...

PT-2026-83251

Name of the Vulnerable Software and Affected Versions Yamcs versions prior to 5.12.8 Yamcs versions prior to 5.13.2 Description Yamcs compiles StreamSQL query expressions to Java at runtime using Janino. The LIKE operator inserts user-supplied patterns into the generated Java source unescaped. An...

CVE-2026-55548

Yamcs is a mission control framework. Prior to 5.12.8 and 5.13.2, the PacketsApi.exportPackets endpoint in yamcs-core/src/main/java/org/yamcs/http/api/PacketsApi.java failed to enforce object-level ReadPacket privileges when a request omitted specific packet names: with an empty name list the...

CVE-2026-46562

Yamcs is a mission control framework. Prior to 5.12.7, the Nashorn ScriptEngine used to evaluate user-supplied JavaScript algorithm text in yamcs-core/src/main/java/org/yamcs/algorithms/ScriptAlgorithmExecutorFactory.java was constructed without a ClassFilter, so a user with the...

CVE-2026-44596

Yamcs is a mission control framework. Prior to 5.12.7, the authentication endpoint POST /auth/token in yamcs-core, handled by yamcs-core/src/main/java/org/yamcs/http/auth/AuthHandler.java, lacked any rate limiting, account lockout, or failed-attempt throttling, so an unauthenticated remote attack...

CVE-2026-55548

Yamcs is a mission control framework. Prior to 5.12.8 and 5.13.2, the PacketsApi.exportPackets endpoint in yamcs-core/src/main/java/org/yamcs/http/api/PacketsApi.java failed to enforce object-level ReadPacket privileges when a request omitted specific packet names: with an empty name list the...

CVE-2026-55548

In Yamcs, CVE-2026-55548 affects the PacketsApi.exportPackets endpoint. The root cause was failure to enforce per-packet ReadPacket privileges when a request supplied an empty packet-name list, causing no WHERE pname IN filter and the onTuple handler to stream packets without per-row authorizatio...

CVE-2026-55548 Yamcs: Insecure Direct Object Reference (IDOR) in PacketsApi allows unprivileged users to dump all telemetry packets

Yamcs is a mission control framework. Prior to 5.12.8 and 5.13.2, the PacketsApi.exportPackets endpoint in yamcs-core/src/main/java/org/yamcs/http/api/PacketsApi.java failed to enforce object-level ReadPacket privileges when a request omitted specific packet names: with an empty name list the...