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chore(deps): update dependency langchain to v0.2.5 [security]#55

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chore(deps): update dependency langchain to v0.2.5 [security]#55
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@renovate renovate Bot commented Mar 26, 2026 •
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This PR contains the following updates:

Package Change Age Confidence
langchain (changelog) ==0.0.286 → ==0.2.5 age confidence

Langchain vulnerable to arbitrary code execution via the evaluate function in the numexpr library

CVE-2023-39631 / GHSA-f73w-4m7g-ch9x

More information

Details

An issue in LanChain-ai Langchain v.0.0.245 allows a remote attacker to execute arbitrary code via the evaluate function in the numexpr library.

Patches: Released in v.0.0.308. numexpr dependency is optional for langchain.

Severity

  • CVSS Score: 9.8 / 10 (Critical)
  • Vector String: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

This data is provided by the GitHub Advisory Database (CC-BY 4.0).

langchain vulnerable to arbitrary code execution

CVE-2023-36281 / GHSA-7gfq-f96f-g85j

More information

Details

An issue in langchain v.0.0.171 allows a remote attacker to execute arbitrary code via the via the a json file to the load_prompt parameter. This is related to __subclasses__ or a template.

Severity

  • CVSS Score: 9.3 / 10 (Critical)
  • Vector String: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

References

This data is provided by the GitHub Advisory Database (CC-BY 4.0).

LangChain Server Side Request Forgery vulnerability

CVE-2023-46229 / GHSA-655w-fm8m-m478

More information

Details

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.

Severity

  • CVSS Score: 8.6 / 10 (High)
  • Vector String: 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

References

This data is provided by the GitHub Advisory Database (CC-BY 4.0).

LangChain vulnerable to arbitrary code execution

CVE-2023-39659 / GHSA-prgp-w7vf-ch62

More information

Details

An issue in langchain langchain-ai before version 0.0.325 allows a remote attacker to execute arbitrary code via a crafted script to the PythonAstREPLTool._run component.

Severity

  • CVSS Score: 9.3 / 10 (Critical)
  • Vector String: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

References

This data is provided by the GitHub Advisory Database (CC-BY 4.0).

Langchain Server-Side Request Forgery vulnerability

CVE-2023-32786 / GHSA-6h8p-4hx9-w66c

More information

Details

In Langchain before 0.0.329, prompt injection allows an attacker to force the service to retrieve data from an arbitrary URL, essentially providing SSRF and potentially injecting content into downstream tasks.

Severity

  • CVSS Score: 7.5 / 10 (High)
  • Vector String: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

This data is provided by the GitHub Advisory Database (CC-BY 4.0).

langchain Server-Side Request Forgery vulnerability

CVE-2024-0243 / GHSA-h9j7-5xvc-qhg5

More information

Details

With the following crawler configuration:

from bs4 import BeautifulSoup as Soup

url = "https://example.com"
loader = RecursiveUrlLoader(
    url=url, max_depth=2, extractor=lambda x: Soup(x, "html.parser").text 
)
docs = loader.load()

An attacker in control of the contents of https://example.com could place a malicious HTML file in there with links like "https://example.completely.different/my_file.html" and the crawler would proceed to download that file as well even though prevent_outside=True.

https://github.com/langchain-ai/langchain/blob/bf0b3cc0b5ade1fb95a5b1b6fa260e99064c2e22/libs/community/langchain_community/document_loaders/recursive_url_loader.py#L51-L51

Resolved in https://github.com/langchain-ai/langchain/pull/15559

Severity

  • CVSS Score: 3.7 / 10 (Low)
  • Vector String: CVSS:3.0/AV:L/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:N

References

This data is provided by the GitHub Advisory Database (CC-BY 4.0).

LangChain directory traversal vulnerability

CVE-2024-28088 / GHSA-h59x-p739-982c

More information

Details

LangChain through 0.1.10 allows ../ directory traversal by an actor who is able to control the final part of the path parameter in a load_chain call. This bypasses the intended behavior of loading configurations only from the hwchase17/langchain-hub GitHub repository. The outcome can be disclosure of an API key for a large language model online service, or remote code execution.

Severity

Low

References

This data is provided by the GitHub Advisory Database (CC-BY 4.0).

langchain vulnerable to path traversal

CVE-2024-3571 / GHSA-rgp8-pm28-3759

More information

Details

langchain-ai/langchain is vulnerable to path traversal due to improper limitation of a pathname to a restricted directory ('Path Traversal') in its LocalFileStore functionality. An attacker can leverage this vulnerability to read or write files anywhere on the filesystem, potentially leading to information disclosure or remote code execution. The issue lies in the handling of file paths in the mset and mget methods, where user-supplied input is not adequately sanitized, allowing directory traversal sequences to reach unintended directories.

Severity

  • CVSS Score: 6.5 / 10 (Medium)
  • Vector String: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References

This data is provided by the GitHub Advisory Database (CC-BY 4.0).

Denial of service in langchain-community

CVE-2024-2965 / GHSA-3hjh-jh2h-vrg6

More information

Details

Denial of service in SitemapLoader Document Loader in the langchain-community package, affecting versions below 0.2.5. The parse_sitemap method, responsible for parsing sitemaps and extracting URLs, lacks a mechanism to prevent infinite recursion when a sitemap URL refers to the current sitemap itself. This oversight allows for the possibility of an infinite loop, leading to a crash by exceeding the maximum recursion depth in Python. This vulnerability can be exploited to occupy server socket/port resources and crash the Python process, impacting the availability of services relying on this functionality.

Severity

  • CVSS Score: 4.2 / 10 (Medium)
  • Vector String: CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

References

This data is provided by the GitHub Advisory Database (CC-BY 4.0).

Langchain SQL Injection vulnerability

CVE-2024-8309 / GHSA-45pg-36p6-83v9

More information

Details

A vulnerability in the GraphCypherQAChain class of langchain-ai/langchain version 0.2.5 allows for SQL injection through prompt injection. This vulnerability can lead to unauthorized data manipulation, data exfiltration, denial of service (DoS) by deleting all data, breaches in multi-tenant security environments, and data integrity issues. Attackers can create, update, or delete nodes and relationships without proper authorization, extract sensitive data, disrupt services, access data across different tenants, and compromise the integrity of the database.

Severity

  • CVSS Score: 2.1 / 10 (Low)
  • Vector String: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

References

This data is provided by the GitHub Advisory Database (CC-BY 4.0).

Release Notes

langchain-ai/langchain (langchain)

v0.1.16

Compare Source

What's Changed

New Contributors

Full Changelog: langchain-ai/langchain@v0.1.15...v0.1.16

v0.1.15

Compare Source

What's Changed

New Contributors

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@renovate renovate Bot changed the title chore(deps): update dependency langchain to v0.2.5 [security] chore(deps): update dependency langchain to v0.2.5 [security] - autoclosed Mar 27, 2026
@renovate renovate Bot closed this Mar 27, 2026
@renovate renovate Bot deleted the renovate/pypi-langchain-vulnerability branch March 27, 2026 00:44
@renovate renovate Bot changed the title chore(deps): update dependency langchain to v0.2.5 [security] - autoclosed chore(deps): update dependency langchain to v0.2.5 [security] Mar 30, 2026
@renovate renovate Bot reopened this Mar 30, 2026
@renovate renovate Bot force-pushed the renovate/pypi-langchain-vulnerability branch 2 times, most recently from 0967acd to bdbe06f Compare March 30, 2026 17:55
@renovate renovate Bot changed the title chore(deps): update dependency langchain to v0.2.5 [security] chore(deps): update dependency langchain to v0.2.5 [security] - autoclosed Apr 27, 2026
@renovate renovate Bot closed this Apr 27, 2026
@renovate renovate Bot changed the title chore(deps): update dependency langchain to v0.2.5 [security] - autoclosed chore(deps): update dependency langchain to v0.2.5 [security] Apr 27, 2026
@renovate renovate Bot reopened this Apr 27, 2026
@renovate renovate Bot force-pushed the renovate/pypi-langchain-vulnerability branch 2 times, most recently from bdbe06f to dde08af Compare April 27, 2026 22:18
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