CVE-2026-46621

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-2026-44632

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-2026-46621

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...

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-2026-44632

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-2026-44632 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...

Arbitrary Code Injection

Overview Affected versions of this package are vulnerable to Arbitrary Code Injection via the dynamic evaluation of user-supplied algorithm code in the script evaluation engine. An attacker can execute arbitrary operating system commands by injecting malicious Jython code through the REST API whe...

Yamcs Vulnerable to Authenticated Remote Code Execution (RCE) via Jython Algorithm Code Injection

Summary A Server-Side Code Injection vulnerability exists in the Yamcs script evaluation engine for Python algorithms. The application dynamically compiles and evaluates user-controlled algorithm text using Jython via the JSR-223 ScriptEngine API without enforcing a secure sandbox. An authenticat...

Arbitrary Code Injection

Overview Affected versions of this package are vulnerable to Arbitrary Code Injection in the JavaExprAlgorithmExecutionFactory process. An attacker can execute arbitrary code on the underlying operating system by injecting malicious Java expressions through the REST API when authenticated with th...

Yamcs Vulnerable to Server-Side Code Injection (RCE) via Janino Expression Engine in `JavaExprAlgorithmExecutionFactory`

Summary A Server-Side Code Injection vulnerability exists in the Yamcs algorithm evaluation engine org.yamcs.algorithms.JavaExprAlgorithmExecutionFactory. The application dynamically compiles and evaluates user-controlled algorithm text without enforcing a secure sandbox. An authenticated user wi...

PT-2026-44162

Summary A Server-Side Code Injection vulnerability exists in the Yamcs script evaluation engine for Python algorithms. The application dynamically compiles and evaluates user-controlled algorithm text using Jython via the JSR-223 ScriptEngine API without enforcing a secure sandbox. An authenticat...

PT-2026-44161

Name of the Vulnerable Software and Affected Versions Yamcs versions 4.7.3 through 5.12.6 Description The Nashorn ScriptEngine used to evaluate user-supplied algorithm text is constructed without a ClassFilter. This allows a user with the ChangeMissionDatabase privilege to execute arbitrary Java...

PT-2026-43457

Summary A Server-Side Code Injection vulnerability exists in the Yamcs algorithm evaluation engine org.yamcs.algorithms.JavaExprAlgorithmExecutionFactory. The application dynamically compiles and evaluates user-controlled algorithm text without enforcing a secure sandbox. An authenticated user wi...