CVE-2026-77938
CVE-2026-77938 · Letta through 0.16.8 Credential Exposure via Tool Sandbox Environment Inheritance
Cette page présente des faits issus de sources publiques. Consultez l’avis original avant toute mise à jour.
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 · Élevée · EPSS 0,4%
- Publication
- Mise à jour
Produits et versions concernés
letta
- Versions du logiciel
- ≥ 0, ≤ 0.16.8: Concernée (semver)
Aucun correctif publié
Sources 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