Which products and versions are affected by CVE-2023-46229?

Affected: Langchain; seal-langchain. The full list is in the CVE brief.

Is CVE-2023-46229 being exploited in the wild?

It is exploited in the wild, listed in Industry KEV feed since Aug 20, 2025.

Is CVE-2023-46229 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2023-46229?

No public exploit code is known.

Is there a fix for CVE-2023-46229?

Fixed versions are available, including Langchain 0.0.279+sp999, Langchain 0.0.317, Langchain 9ecb7240a480720ec9d739b3877a52f76098a2b8.

How urgently should CVE-2023-46229 be patched?

Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Request A Demo

On CISA KEVHigh

CVE-2023-46229Langchain SSRF

LangChain Server Side Request Forgery vulnerability

Published Oct 19, 2023 · Updated Oct 21, 2026 · Also known as GHSA-655w-fm8m-m478, PYSEC-2023-205

Key Facts

Patch immediately

CVE-2023-46229 is a high-severity vulnerability (CVSS 8.6 v4) affecting Langchain, seal-langchain.
It is exploited in the wild, listed in Industry KEV feed since Aug 20, 2025. No public exploit code is known.
EPSS estimates a 48% probability of exploitation in the next 30 days.
Fixed versions are available, including Langchain 0.0.279+sp999, Langchain 0.0.317, Langchain 9ecb7240a480720ec9d739b3877a52f76098a2b8.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Scores

CVSS v4

8.6

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

EPSS (30-day exploit likelihood)

48%

Higher than 98.8% of all scored CVEs

Exploit maturity

Exploited (KEV)

ATLAS score

56/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Aug 20, 2025

671 days after publication

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Exploited (KEV)

Public exploit code

Proof-of-concept links

In-the-wild evidence

Reports of active use

Advisories And Exploit References

advisoryhttps://www.cve.org/CVERecord?id=CVE-2023-46229
advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2023-46229
advisoryGHSA advisory

Description

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.

Known-Exploited Catalog Listings

Catalog	Added	Remediation due	Ransomware use
Industry KEV feed	Aug 20, 2025	n/a	Not reported

Affected Products

4 affected entries in total

Product	Affected versions	Fixed in
LangchainLangchain	See advisory	0.0.317
seal-langchainseal	See advisory	0.0.279+sp999

Patched Releases

Langchain

0.0.279+sp999, 0.0.317, 9ecb7240a480720ec9d739b3877a52f76098a2b8

seal-langchain

0.0.279+sp999

Timeline

Publicly disclosed
Oct 19, 2023
Added to Industry KEV feed
Aug 20, 2025
Last updated
Oct 21, 2026

Weakness Type

CWE-918 Server-Side Request Forgery (SSRF)

References

3 more references in the full CVE brief

FAQ

Common Questions.

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.
Affected: Langchain; seal-langchain. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Aug 20, 2025.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Langchain 0.0.279+sp999, Langchain 0.0.317, Langchain 9ecb7240a480720ec9d739b3877a52f76098a2b8.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Is CVE-2023-46229 On Your Attack Surface?

Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.