CVE-2026-77938
CVE-2026-77938 · Letta through 0.16.8 Credential Exposure via Tool Sandbox Environment Inheritance
Esta página presenta datos de fuentes públicas de vulnerabilidades. Consulta el aviso original antes de actualizar.
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 LETTA_PG_URI, POSTGRES_PASSWORD, and provider API keys, then access cross-tenant database data.
CVSS 7.1 · Alta · EPSS 0,4%
- Publicación
- Actualización
Productos y versiones afectados
letta
- Versiones
- ≥ 0, ≤ 0.16.8: Afectada (semver)
Sin corrección publicada
Fuentes originales
- https://www.lasso.security/vulnerability-database/cve-2026-77938
- https://github.com/letta-ai/letta/blob/1131535716e8a31c9a437f8695e25ac98f203a24/letta/services/tool_sandbox/base.py#L487
- https://www.vulncheck.com/advisories/letta-through-0.16.8-credential-exposure-via-tool-sandbox-environment-inheritance
- https://nvd.nist.gov/vuln/detail/CVE-2026-77938