cvedb.io
CVE-2026-59152
MEDIUM · CVSS 5
EPSS exploitation probability: 0%
Published 2026-07-06T16:16:37.413 · Last modified 2026-07-06T18:24:39.997

Summary

LangSmith Client SDKs provide SDK's for interacting with the LangSmith platform. Prior to 0.8.18, an attacker who can send an HTTP request to a server running the LangSmith SDK's TracingMiddleware can cause that server to read an arbitrary file from its local filesystem and upload the contents to LangSmith as a trace attachment. Depending on how the distributed trace system is deployed, triggering a read may not require authentication. Retrieving the contents requires read access to the LangSmith workspace the traces are sent to. The net effect is a trust-boundary crossing: a party with workspace trace-read access (for example a low-privilege workspace member, a contractor, or a compromised teammate account) gains the ability to read files from any server running TracingMiddleware, a capab

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.