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...

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 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: 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...

CVE-2026-42568 Yamcs Vulnerable to LDAP Injection in LdapAuthModule

Yamcs is a mission control framework. Prior to versions 5.13.0 and 5.12.7, an LDAP injection vulnerability exists in org.yamcs.security.LdapAuthModule when constructing search filters. The username parameter is inserted directly into the LDAP filter without proper RFC 4515 escaping. Versions 5.13...