CVE-2026-55521

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...

Missing Authorization

Overview Affected versions of this package are vulnerable to Missing Authorization in the API controllers responsible for handling IndexesApi, Cop1Api, and TimeApi operations. An attacker can extract sensitive telemetry metadata, disrupt satellite communication link protocols, and manipulate the...

CVE-2026-55521

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: Missing Authorization

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...