CVE-2026-53977 — OpenChamber 1.11.7 Unauthenticated DoS via /api/system/shutdown
OpenChamber 1.11.7 contains an authentication bypass vulnerability that allows unauthenticated remote attackers to terminate the server process by sending a POST request to the …
Published: 2026-08-06 · CVSS: 8.7 · CVSS 4.0
OpenChamber 1.11.7 contains an authentication bypass vulnerability that allows unauthenticated remote attackers to terminate the server process by sending a POST request to the /api/system/shutdown endpoint, which is registered before the authentication middleware in the Express route handler chain. Attackers can exploit the route registration order in bootstrap-runtime.js to reach the shutdown handler before auth middleware executes, causing denial of service to all active AI coding sessions and locking out legitimate remote users regardless of whether UI_PASSWORD is configured.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7