CVE-2026-34371 LibreChat Affected by Arbitrary File Write via `execute_code` Artifact Filename Traversal

LibreChat is a ChatGPT clone with additional features. Prior to 0.8.4, LibreChat trusts the name field returned by the executecode sandbox when persisting code-generated artifacts. On deployments using the default local file strategy, a malicious artifact filename containing traversal sequences f...

CVE-2026-34371

Summary: LibreChat before version 0.8.4 is vulnerable to an arbitrary file write via artifact filename traversal when using the default local file strategy. The server-side path is constructed by concatenating a user-controlled artifact name containing traversal sequences (e.g., ../../../../../ap...