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...

EUVD-2026-44960

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 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...

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-2026-46621 Yamcs: Authenticated Remote Code Execution (RCE) via Jython Algorithm Code Injection

Yamcs is a mission control framework. Prior to 5.12.7, the Yamcs script evaluation engine for Python algorithms dynamically compiled and evaluated user-controlled algorithm text using Jython through the JSR-223 ScriptEngine API without enforcing a secure sandbox, so an authenticated user with the...

CVE-2026-46621

Summary of CVE-2026-46621 (Yamcs) : The issue arises in Yamcs’ script evaluation engine for Python algorithms, where user-controlled code is dynamically compiled and executed via Jython (JSR-223) without a secure sandbox. An authenticated user with the ChangeMissionDatabase privilege can override...

EUVD-2026-44959

Yamcs is a mission control framework. Prior to 5.12.7, the Yamcs script evaluation engine for Python algorithms dynamically compiled and evaluated user-controlled algorithm text using Jython through the JSR-223 ScriptEngine API without enforcing a secure sandbox, so an authenticated user with 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-2026-46562

Summary : CVE-2026-46562 affects Yamcs releases from 4.7.3 through 5.12.6. The vulnerability stems from constructing the Nashorn ScriptEngine without a ClassFilter, allowing a user with ChangeMissionDatabase privilege (or unauthenticated in default config) to execute arbitrary Java via Java.type,...

CVE-2026-44632 Yamcs: Server-Side Code Injection (RCE) via Janino Expression Engine in `JavaExprAlgorithmExecutionFactory`

Yamcs is a mission control framework. Prior to 5.12.7, a server-side code injection vulnerability existed in the Yamcs algorithm evaluation engine org.yamcs.algorithms.JavaExprAlgorithmExecutionFactory, which dynamically compiled and evaluated user-controlled algorithm text through the Janino...

CVE-2026-44632

CVE-2026-44632 affects Yamcs: the server-side evaluation engine org.yamcs.algorithms.JavaExprAlgorithmExecutionFactory) can compile and execute user-supplied algorithm text via Janino without sandboxing. An authenticated user with ChangeMissionDatabase privilege could override an algorithm throug...

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-2026-44596 Yamcs: No Rate Limiting on Authentication Endpoint

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-2026-44596 Yamcs: No Rate Limiting on Authentication Endpoint

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-2026-44596

Summary (CVE-2026-44596) Yamcs’ authentication endpoint POST /auth/token (in yamcs-core) lacked rate limiting, account lockout, and throttling for failed attempts prior to v5.12.7. An unauthenticated remote attacker could perform unlimited password-guessing against any user account, enabling brut...

CVE-2026-44595

Yamcs is a mission control framework. Prior to 5.12.7, the IAM API endpoints listUsers, getUser, listGroups, and getGroup in yamcs-core did not enforce the required SystemPrivilege.ControlAccess check in yamcs-core/src/main/java/org/yamcs/http/api/IamApi.java, so any authenticated user, even one...

CVE-2026-44595

CVE-2026-44595 affects Yamcs’ core IAM API endpoints: GET /api/iam/users, GET /api/iam/users/{name}, GET /api/iam/groups, and GET /api/iam/groups/{name}. The root cause is missing enforcement of SystemPrivilege.ControlAccess in Yamcs’ IAM API (IamApi.java), enabling any authenticated user—even wi...