CVE-2023-46229

LangChain Server Side Request Forgery vulnerability

8.8 HighPublic exploitFix available

LangChain before 0.0.317 allows SSRF via document_loaders/recursive_url_loader.py because crawling can proceed from an external server to an internal server.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

42.3%Up 42.3 points since Oct 19, 2023

What each source reports

NVD Score used8.8

LangChain before 0.0.317 allows SSRF via document_loaders/recursive_url_loader.py because crawling can proceed from an external server to an internal server.

Record: CVE-2023-46229
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-918
Updated: 2026-11-02

CVE ListNo score

LangChain before 0.0.317 allows SSRF via document_loaders/recursive_url_loader.py because crawling can proceed from an external server to an internal server.

Record: CVE-2023-46229
Updated: 2026-11-02

EUVDEUVD-2023-0119No score

LangChain before 0.0.317 allows SSRF via document_loaders/recursive_url_loader.py because crawling can proceed from an external server to an internal server.

Record: EUVD-2023-0119
Updated: 2026-11-03

GitHub AdvisoriesGHSA-655w-fm8m-m4788.6

LangChain Server Side Request Forgery vulnerability

LangChain before 0.0.317 allows SSRF via document_loaders/recursive_url_loader.py because crawling can proceed from an external server to an internal server.

Record: GHSA-655w-fm8m-m478
CVSS 4.0: 8.6 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-918
Updated: 2026-11-02

OSVGHSA-655w-fm8m-m4788.6

LangChain Server Side Request Forgery vulnerability

LangChain before 0.0.317 allows SSRF via document_loaders/recursive_url_loader.py because crawling can proceed from an external server to an internal server.

Record: GHSA-655w-fm8m-m478
CVSS 4.0: 8.6 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-918
Updated: 2026-11-02

OSVNo score

LangChain before 0.0.317 allows SSRF via document_loaders/recursive_url_loader.py because crawling can proceed from an external server to an internal server.

Record: CVE-2023-46229
Updated: 2026-11-02

OSVPYSEC-2023-205No score

LangChain before 0.0.317 allows SSRF via document_loaders/recursive_url_loader.py because crawling can proceed from an external server to an internal server.

Record: PYSEC-2023-205
Updated: 2026-11-02

Affected products

langchain

Affected packages

Affected packages
Package	Affected	Fixed
`langchain` PyPI	before 0.0.317	0.0.317
`langchain` PyPI	before 0.0.317, plus listed versions 0.0.10.0.100.0.1000.0.1010.0.101rc0 Show 45 moreShow less 0.0.1020.0.102rc00.0.1030.0.1040.0.1050.0.1060.0.1070.0.1080.0.1090.0.110.0.1100.0.1110.0.1120.0.1130.0.1140.0.1150.0.1160.0.1170.0.1180.0.1190.0.120.0.1200.0.1210.0.1220.0.1230.0.1240.0.1250.0.1260.0.1270.0.1280.0.1290.0.130.0.1300.0.1310.0.1320.0.1330.0.1340.0.1350.0.1360.0.1370.0.1380.0.1390.0.140.0.1400.0.141	0.0.317
`langchain` PyPI	before 0.0.317, plus listed versions 0.0.10.0.100.0.1000.0.1010.0.101rc0 Show 45 moreShow less 0.0.1020.0.102rc00.0.1030.0.1040.0.1050.0.1060.0.1070.0.1080.0.1090.0.110.0.1100.0.1110.0.1120.0.1130.0.1140.0.1150.0.1160.0.1170.0.1180.0.1190.0.120.0.1200.0.1210.0.1220.0.1230.0.1240.0.1250.0.1260.0.1270.0.1280.0.1290.0.130.0.1300.0.1310.0.1320.0.1330.0.1340.0.1350.0.1360.0.1370.0.1380.0.1390.0.140.0.1400.0.141	0.0.317

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
PoC in GitHub	JarvisDing-sdu/Yasa-CVE-2023-46229	2026-02-27
PoC in GitHub	dexteon/langchain-sitemap-ssrf-cve-2023-46229	2026-11-12

History

History
Recorded	Changed	Sources
Nov 12, 2026	exploits, facts	PoC in GitHub
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-46229 is a high vulnerability (CVSS 8.8) in Langchain, published October 19, 2023. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 42.3%, the 98th percentile. Fixed in langchain 0.0.317.

References

This page doesn't list everything

Left out here: 794 versions. The JSON record has them.