# CVE-2024-5998: PYSEC-2026-1514 - LangChain pickle deserialization of untrusted data

Source: https://junglewise.ai/threats/cve-2024-5998-langchain-pickle-deserialization-of-untrusted-data  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-07  
License: CC BY 4.0 with a link back

CVE-2024-5998 · Severity: low · CVSS 3.1 · Published 2026-07-07

LangChain pickle deserialization of untrusted data

Technologies: [langchain (PyPI)](https://junglewise.ai/threats/technologies/langchain), [langchain-community (PyPI)](https://junglewise.ai/threats/technologies/pypi-langchain-community). Vendors: [PyPI](https://junglewise.ai/threats/vendors/pypi).

## Quick answers

**Is CVE-2024-5998 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2024-5998 being exploited in the wild.

**How severe is CVE-2024-5998?** Low severity, with a CVSS score of 3.1, published 7 July 2026.

**Which products and versions are affected?** langchain (PyPI) ECOSYSTEM:introduced=0,fixed=0.2.9; langchain-community (PyPI) ECOSYSTEM:introduced=0,fixed=0.2.4.

**Is there a fix for CVE-2024-5998?** Yes. langchain (PyPI): upgrade to 0.2.9 or later; langchain-community (PyPI): upgrade to 0.2.4 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2024-5998?** Check whether you run langchain (PyPI) or langchain-community (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- langchain (PyPI): upgrade to 0.2.9 or later

  ```sh
  pip install "langchain>=0.2.9"
  ```

- langchain-community (PyPI): upgrade to 0.2.4 or later

  ```sh
  pip install "langchain-community>=0.2.4"
  ```


## Affected products

- langchain (PyPI) ECOSYSTEM:introduced=0,fixed=0.2.9
- langchain-community (PyPI) ECOSYSTEM:introduced=0,fixed=0.2.4

## Identifiers

- CVE-2024-5998
- GHSA-f2jm-rw3h-6phg
- PYSEC-2024-323
- PYSEC-2026-1514

## Related threats

- [PYSEC-2026-2561 - Denial of service in langchain-community](https://junglewise.ai/threats/cve-2024-2965-langchain-sitemaploader-denial-of-service-via-infinite-recursion)
- [PYSEC-2026-1515 - Langchain Community Vulnerable to XML External Entity (XXE) Attacks](https://junglewise.ai/threats/cve-2025-6984-langchain-community-vulnerable-to-xml-external-entity-xxe-attacks)
- [PYSEC-2026-1507 - Langchain SQL Injection vulnerability](https://junglewise.ai/threats/cve-2024-8309-langchain-sql-injection-vulnerability)
- [PYSEC-2026-1516 - Server-Side Request Forgery in langchain-community.retrievers.web_research.WebResearchRetriever](https://junglewise.ai/threats/cve-2024-3095-server-side-request-forgery-in-langchain-community-retrievers-web)
- [PYSEC-2026-1510 - langchain vulnerable to path traversal](https://junglewise.ai/threats/cve-2024-3571-langchain-vulnerable-to-path-traversal)