langchain core vulnerabilities and fixes
Recent CVEs affecting langchain core, with upgrade or downgrade steps. 1 tracked.
Also searched as: langchaincore.
langchain core has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-04-09. Highest priority: CVE-2026-40087 (score 28/100).
- CVE-2026-40087 MEDIUM 5.3 UPGRADE LangChain is a framework for building agents and LLM-powered applications
FAQ
How do I fix langchain core vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is langchain core being exploited right now?
None of the tracked langchain core CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which langchain core CVE should I patch first?
CVE-2026-40087 currently ranks highest (28/100): LangChain is a framework for building agents and LLM-powered applications.