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...

GHSA-962X-CCWF-8X6P Yamcs Core API has Multiple Missing Function Level Access Control vulnerabilities

Summary Multiple Missing Function Level Access Control vulnerabilities exist in the Yamcs Core API. These vulnerabilities allow any authenticated user, regardless of their assigned roles or privileges e.g., an unprivileged "Guest", to bypass intended access controls. An attacker can exploit these...

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...