SSRF in Langchain Langchain_community

CVE-2026-27795

LangChain is a framework for building LLM-powered applications. Prior to version 1.1.8, a redirect-based Server-Side Request Forgery (SSRF) bypass exists in `RecursiveUrlLoader` in `@langchain/community`. The loader validates the initial U…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.002 (10.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-27795?
CVE-2026-27795 is a medium-severity vulnerability in Langchain Langchain_community, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.1/10. Published 2026-02-25.
How severe is CVE-2026-27795?
Medium severity. CVSS v3 base score is 4.1 out of 10.