Letta-CVE-2025-51482-RCE

Letta-CVE-2025-51482-RCE Vulnerability Cause Analysis 1. Lack of Code Security Inspection Problem: The system does not perform any security inspection on user-provided source code. Evidence: generateexecutionscript method directly inserts user code into the execution script: code += "\n" +...

Letta Letta 0.7.12 - Remote Code Execution

Letta 0.7.12 is vulnerable to remote code execution via POST /v1/tools/run in letta.server.restapi.routers.v1.tools.runtoolfromsource, allowing attackers to execute arbitrary Python and OS commands via crafted tool source code. id: CVE-2025-51482 info: name: Letta Letta 0.7.12 - Remote Code...

CVE-2026-77936

Letta through 0.16.8 ships a compose.yaml that does not enable LETTASERVERSECURE, 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...

CVE-2026-77938

Letta through 0.16.8 contains an information disclosure vulnerability that allows users running tools to read server secrets because LocalSandbox subprocesses inherit the full server environment. Attackers can run code via POST /v1/tools/run or custom tools to read LETTAPGURI, POSTGRESPASSWORD, a...

CVE-2026-77937

Letta through 0.16.8 contains an authentication bypass vulnerability that allows API callers to impersonate other users by supplying a self-asserted userid HTTP header. Attackers can set userid to another tenant's ID, even with LETTASERVERSECURE enabled, to read and modify that user's agents,...

CVE-2026-77938 Letta through 0.16.8 Credential Exposure via Tool Sandbox Environment Inheritance

Letta through 0.16.8 contains an information disclosure vulnerability that allows users running tools to read server secrets because LocalSandbox subprocesses inherit the full server environment. Attackers can run code via POST /v1/tools/run or custom tools to read LETTAPGURI, POSTGRESPASSWORD, a...

CVE-2026-77938 Letta through 0.16.8 Credential Exposure via Tool Sandbox Environment Inheritance

Letta through 0.16.8 contains an information disclosure vulnerability that allows users running tools to read server secrets because LocalSandbox subprocesses inherit the full server environment. Attackers can run code via POST /v1/tools/run or custom tools to read LETTAPGURI, POSTGRESPASSWORD, a...

CVE-2026-77938

Letta versions through 0.16.8 are vulnerable to an information disclosure vulnerability due to LocalSandbox subprocesses inheriting the full server environment. An attacker can execute code via POST /v1/tools/run or custom tools to extract sensitive secrets, including LETTA_PG_URI , POSTGRES_PASS...

CVE-2026-77938

Letta through 0.16.8 contains an information disclosure vulnerability that allows users running tools to read server secrets because LocalSandbox subprocesses inherit the full server environment. Attackers can run code via POST /v1/tools/run or custom tools to read LETTAPGURI, POSTGRESPASSWORD, a...

EUVD-2026-104694

Letta through 0.16.8 contains an information disclosure vulnerability that allows users running tools to read server secrets because LocalSandbox subprocesses inherit the full server environment. Attackers can run code via POST /v1/tools/run or custom tools to read LETTAPGURI, POSTGRESPASSWORD, a...

CVE-2026-77937

Letta through 0.16.8 contains an authentication bypass vulnerability that allows API callers to impersonate other users by supplying a self-asserted userid HTTP header. Attackers can set userid to another tenant's ID, even with LETTASERVERSECURE enabled, to read and modify that user's agents,...

EUVD-2026-104692

Letta through 0.16.8 ships a compose.yaml that does not enable LETTASERVERSECURE, 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...

CVE-2026-77936 Letta through 0.16.8 Insecure Default Configuration Unauthenticated API and PostgreSQL Access

Letta through 0.16.8 ships a compose.yaml that does not enable LETTASERVERSECURE, 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...

CVE-2026-77937 Letta through 0.16.8 Cross-Tenant Impersonation via user_id Header

Letta through 0.16.8 contains an authentication bypass vulnerability that allows API callers to impersonate other users by supplying a self-asserted userid HTTP header. Attackers can set userid to another tenant's ID, even with LETTASERVERSECURE enabled, to read and modify that user's agents,...

CVE-2026-77936 Letta through 0.16.8 Insecure Default Configuration Unauthenticated API and PostgreSQL Access

Letta through 0.16.8 ships a compose.yaml that does not enable LETTASERVERSECURE, 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...

CVE-2026-77936

Versions of Letta through 0.16.8 are vulnerable to an insecure default configuration due to a compose.yaml file that fails to enable LETTA_SERVER_SECURE . This omission prevents the password middleware from being added, leaving all API routes unauthenticated . Additionally, the configuration expo...

CVE-2026-77937 Letta through 0.16.8 Cross-Tenant Impersonation via user_id Header

Letta through 0.16.8 contains an authentication bypass vulnerability that allows API callers to impersonate other users by supplying a self-asserted userid HTTP header. Attackers can set userid to another tenant's ID, even with LETTASERVERSECURE enabled, to read and modify that user's agents,...

CVE-2026-77936

Letta through 0.16.8 ships a compose.yaml that does not enable LETTASERVERSECURE, 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...

EUVD-2026-104693

Letta through 0.16.8 contains an authentication bypass vulnerability that allows API callers to impersonate other users by supplying a self-asserted userid HTTP header. Attackers can set userid to another tenant's ID, even with LETTASERVERSECURE enabled, to read and modify that user's agents,...

CVE-2026-77937

Letta versions through 0.16.8 are vulnerable to an authentication bypass flaw. The issue allows API callers to perform cross-tenant impersonation by providing a self-asserted user_id HTTP header. This vulnerability persists even when LETTA_SERVER_SECURE is enabled. Successful exploitation allows ...