# langchain-classic (PyPI) vulnerabilities

1 known vulnerability (1 high), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: not known (cve.now hasn't read this package's releases)
- Newest unaffected release: not known without release data
- Weekly downloads: 3.9M
- Dependents: 1,351
- Registry: https://pypi.org/project/langchain-classic/

## Advisories (1)

### [CVE-2026-45134](https://cve.now/CVE-2026-45134): LangSmith Client SDK: Public prompt pull deserializes untrusted manifests without trust boundary warning

- Severity: High 7.1
- Published: May 27, 2026
- Affected: fixed in 1.0.7.

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