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...

GHSA-2G95-6X5Q-XJWJ 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...

GHSA-VMWP-VH32-RJ75 Yamcs Vulnerable to Remote Code Execution via Mission Database algorithm override

Remote Code Execution via Mission Database algorithm override Summary The Nashorn ScriptEngine used to evaluate user-supplied algorithm text in MdbOverrideApi.updateAlgorithm is constructed without a ClassFilter, allowing a user with the ChangeMissionDatabase privilege to execute arbitrary Java...

Yamcs Vulnerable to Remote Code Execution via Mission Database algorithm override

Remote Code Execution via Mission Database algorithm override Summary The Nashorn ScriptEngine used to evaluate user-supplied algorithm text in MdbOverrideApi.updateAlgorithm is constructed without a ClassFilter, allowing a user with the ChangeMissionDatabase privilege to execute arbitrary Java...

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...

GHSA-524G-X36V-9WM6 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-2026-44161

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...

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...