What is CVE-2026-41481?

CVE-2026-41481 is a medium-severity vulnerability in Langchain Langchain-text-splitters, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.5/10. Published 2026-04-24.

How severe is CVE-2026-41481?

Medium severity. CVSS v3 base score is 6.5 out of 10.

SSRF in Langchain Langchain-text-splitters

CVE-2026-41481

LangChain is a framework for building agents and LLM-powered applications. Prior to langchain-text-splitters 1.1.2, HTMLHeaderTextSplitter.split_text_from_url() validated the initial URL using validate_safe_url() but then performed the fe…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.000 (12.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

Langchain Langchain-text-splitters
Langchain-ai Langchain-text-splitters — versions < 1.1.2

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

https://github.com/langchain-ai/langchain/security/advisories/GHSA-fv5p-p927-qmxr (x_refsource_CONFIRM, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2026-41481?: CVE-2026-41481 is a medium-severity vulnerability in Langchain Langchain-text-splitters, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.5/10. Published 2026-04-24.
How severe is CVE-2026-41481?: Medium severity. CVSS v3 base score is 6.5 out of 10.