Live › vulnerability › CVE-2026-77936
Go to dashboardThe default compose.yaml for Letta does not turn on LETTA_SERVER_SECURE, so the API routes have no password check, and it exposes PostgreSQL with default superuser credentials. An attacker who can reach the server can run arbitrary Python via /v1/tools/run, create admin users, or run OS commands through PostgreSQL COPY PROGRAM.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 21:57 UTC. All times on this page are UTC.
No product ranges from the sources yet.
curl -i http://HOST:8283/v1/admin (an unauthenticated 200 means exposed)Set LETTA_SERVER_SECURE=true and a strong server password, remove the published PostgreSQL port and change the default database credentials; upgrade past 0.16.8 once a fixed release is confirmed in the sources (unknown).
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Letta through 0.16.8 ships a compose.yaml that does not enable LETTA_SERVER_SECURE, so the password middleware is never added and all API routes are unauthenticated, and it exposes a superuser PostgreSQL port with default credentials. Remote attackers can execute arbitrary Python via POST /v1/tools/run, manage /v1/admin users, or run OS commands via COPY PROGRAM.
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