What is CVE-2026-41488?

CVE-2026-41488 is a low-severity vulnerability in Langchain Langchain-openai, classified under Server-Side Request Forgery (SSRF). CVSS score: 3.1/10. Published 2026-04-24.

How severe is CVE-2026-41488?

Low severity. CVSS v3 base score is 3.1 out of 10.

SSRF in Langchain Langchain-openai

CVE-2026-41488

LangChain is a framework for building agents and LLM-powered applications. Prior to 1.1.14, langchain-openai's _url_to_size() helper (used by get_num_tokens_from_messages for image token counting) validated URLs for SSRF protection and the…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.000 (7.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Langchain Langchain-openai
Langchain-ai Langchain-openai — versions < 1.1.14

Weakness classification (CWE)

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

References

https://github.com/langchain-ai/langchain/security/advisories/GHSA-r7w7-9xr2-qq2r (x_refsource_CONFIRM, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2026-41488?: CVE-2026-41488 is a low-severity vulnerability in Langchain Langchain-openai, classified under Server-Side Request Forgery (SSRF). CVSS score: 3.1/10. Published 2026-04-24.
How severe is CVE-2026-41488?: Low severity. CVSS v3 base score is 3.1 out of 10.