CVE-2026-27795

CVE-2026-27795 concerns the LangChain JS community loader (RecursiveUrlLoader in @langchain/community). Prior to version 1.1.8, it could bypass SSRF protections by allowing automatic redirects after validating the initial URL, enabling a transition from a safe public URL to an internal/metadata e...

CVE-2026-27795 LangChain Community: redirect chaining can lead to SSRF bypass via RecursiveUrlLoader

LangChain is a framework for building LLM-powered applications. Prior to version 1.1.8, a redirect-based Server-Side Request Forgery SSRF bypass exists in RecursiveUrlLoader in @langchain/community. The loader validates the initial URL but allows the underlying fetch to follow redirects...

CVE-2026-27795 LangChain Community: redirect chaining can lead to SSRF bypass via RecursiveUrlLoader

LangChain is a framework for building LLM-powered applications. Prior to version 1.1.8, a redirect-based Server-Side Request Forgery SSRF bypass exists in RecursiveUrlLoader in @langchain/community. The loader validates the initial URL but allows the underlying fetch to follow redirects...

Security Bulletin: Platform Navigator and Automation Assets in IBM Cloud Pak for Integration are vulnerable to multiple vulnerabilities in Node.js and LangChain

Summary Platform Navigator and Automation Assets in IBM Cloud Pak for Integration are vulnerable to multiple vulnerabilities in Node.js and LangChain. CVE-2025-65945, CVE-2025-68664, CVE-2025-12758 The vulnerabilities have been addressed. Vulnerability Details CVEID:CVE-2025-65945 DESCRIPTION:...

CVE-2026-27022 RediSearch Query Injection in @langchain/langgraph-checkpoint-redis

@langchain/langgraph-checkpoint-redis is the Redis checkpoint and store implementation for LangGraph. A query injection vulnerability exists in the @langchain/langgraph-checkpoint-redis package's filter handling. The RedisSaver and ShallowRedisSaver classes construct RediSearch queries by directl...

GHSA-5MX2-W598-339M RediSearch Query Injection in @langchain/langgraph-checkpoint-redis

Summary A query injection vulnerability exists in the @langchain/langgraph-checkpoint-redis package's filter handling. The RedisSaver and ShallowRedisSaver classes construct RediSearch queries by directly interpolating user-provided filter keys and values without proper escaping. RediSearch has...

Server-side Request Forgery (SSRF)

Overview @langchain/core is a Core LangChain.js abstractions and schemas Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the RecursiveUrlLoader class. An attacker can access internal or sensitive resources by influencing crawled page content to include lin...

Server-side Request Forgery (SSRF)

Overview @langchain/community is a Third-party integrations for LangChain.js Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the RecursiveUrlLoader class. An attacker can access internal or sensitive resources by influencing crawled page content to include...

CVE-2026-26019

LangChain is a framework for building LLM-powered applications. Prior to 1.1.14, the RecursiveUrlLoader class in @langchain/community is a web crawler that recursively follows links from a starting URL. Its preventOutside option enabled by default is intended to restrict crawling to the same site...

CVE-2026-26019 @langchain/community affected by SSRF Bypass in RecursiveUrlLoader via insufficient URL origin validation

LangChain is a framework for building LLM-powered applications. Prior to 1.1.14, the RecursiveUrlLoader class in @langchain/community is a web crawler that recursively follows links from a starting URL. Its preventOutside option enabled by default is intended to restrict crawling to the same site...

CVE-2026-26019 @langchain/community affected by SSRF Bypass in RecursiveUrlLoader via insufficient URL origin validation

LangChain is a framework for building LLM-powered applications. Prior to 1.1.14, the RecursiveUrlLoader class in @langchain/community is a web crawler that recursively follows links from a starting URL. Its preventOutside option enabled by default is intended to restrict crawling to the same site...

GHSA-2G6R-C272-W58R LangChain affected by SSRF via image_url token counting in ChatOpenAI.get_num_tokens_from_messages

Server-Side Request Forgery SSRF in ChatOpenAI Image Token Counting Summary The ChatOpenAI.getnumtokensfrommessages method fetches arbitrary imageurl values without validation when computing token counts for vision-enabled models. This allows attackers to trigger Server-Side Request Forgery SSRF...

PT-2026-7722

Name of the Vulnerable Software and Affected Versions LangChain versions prior to 1.1.14 Description The RecursiveUrlLoader class within the @langchain/community component is a web crawler that recursively follows links from a starting URL. The preventOutside option, intended to restrict crawling...

LangChain 代码问题漏洞

LangChain is an open-source framework developed by LangChain for creating applications powered by large language models LLMs. Versions of LangChain prior to 1.1.14 contained code vulnerabilities. These vulnerabilities stemmed from insufficient URL validation in the RecursiveUrlLoader class within...

Server-side Request Forgery (SSRF)

Overview langchain-openai is an An integration package connecting OpenAI and LangChain Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the ChatOpenAI.getnumtokensfrommessages function. An attacker can cause the server to make internal network requests,...

CVE-2026-26013 LangChain affected by SSRF via image_url token counting in ChatOpenAI.get_num_tokens_from_messages

LangChain is a framework for building agents and LLM-powered applications. Prior to 1.2.11, the ChatOpenAI.getnumtokensfrommessages method fetches arbitrary imageurl values without validation when computing token counts for vision-enabled models. This allows attackers to trigger Server-Side Reque...

CVE-2026-26013

The CVE affects LangChain’s ChatOpenAI component, where get_num_tokens_from_messages() can fetch arbitrary image_url values without validation when counting tokens for vision-enabled models, enabling SSRF by user-provided URLs. Root cause: insufficient validation of image_url during token countin...

CVE-2026-26013 LangChain affected by SSRF via image_url token counting in ChatOpenAI.get_num_tokens_from_messages

LangChain is a framework for building agents and LLM-powered applications. Prior to 1.2.11, the ChatOpenAI.getnumtokensfrommessages method fetches arbitrary imageurl values without validation when computing token counts for vision-enabled models. This allows attackers to trigger Server-Side Reque...

CVE-2026-26013 LangChain affected by SSRF via image_url token counting in ChatOpenAI.get_num_tokens_from_messages

LangChain is a framework for building agents and LLM-powered applications. Prior to 1.2.11, the ChatOpenAI.getnumtokensfrommessages method fetches arbitrary imageurl values without validation when computing token counts for vision-enabled models. This allows attackers to trigger Server-Side Reque...

PT-2026-7475

Name of the Vulnerable Software and Affected Versions LangChain versions prior to 1.2.11 Description LangChain is a framework used for building applications powered by large language models LLMs. A flaw exists in the ChatOpenAI.get num tokens from messages method where it retrieves image URLs...