CVE-2025-68664 LangChain serialization injection vulnerability enables secret extraction in dumps/loads APIs

LangChain is a framework for building agents and LLM-powered applications. Prior to versions 0.3.81 and 1.2.5, a serialization injection vulnerability exists in LangChain's dumps and dumpd functions. The functions do not escape dictionaries with 'lc' keys when serializing free-form dictionaries...

CVE-2025-68664 LangChain serialization injection vulnerability enables secret extraction in dumps/loads APIs

LangChain is a framework for building agents and LLM-powered applications. Prior to versions 0.3.81 and 1.2.5, a serialization injection vulnerability exists in LangChain's dumps and dumpd functions. The functions do not escape dictionaries with 'lc' keys when serializing free-form dictionaries...

CVE-2025-68664 LangChain serialization injection vulnerability enables secret extraction in dumps/loads APIs

LangChain is a framework for building agents and LLM-powered applications. Prior to versions 0.3.81 and 1.2.5, a serialization injection vulnerability exists in LangChain's dumps and dumpd functions. The functions do not escape dictionaries with 'lc' keys when serializing free-form dictionaries...

10minions-engine (>=0.0.1, <=0.0.4), @0xd541ecb3/byte-babe (>=1.0.0, <=1.2.1) +1004 more potentially affected by CVE-2025-68665 via langchain (>=0.0.11, <=0.3.35)

langchain NPM version =0.0.11, =0.0.1, =1.0.0, =0.0.1, =0.0.6, =0.1.4, =3.0.0-beta.65.0, =0.1.5-alpha.0, =0.1.5-alpha.0, =0.1.5-alpha.0, =0.1.5-alpha.0, =0.1.5-alpha.0, =0.1.5-alpha.2, =0.1.5-alpha.0, =0.1.5-alpha.0, =0.1.6 and more Source cves: CVE-2025-68665 Source advisory:...

@aafe/ai-test (>=0.0.1, <=0.0.2), @acabai/android (>=1.0.0, <=2.0.6) +941 more potentially affected by CVE-2025-68665 via @langchain/core (>=0.0.0, <=0.3.79)

@langchain/core NPM version =0.0.0, =0.0.1, =1.0.0, =1.0.0, =1.0.0, =1.0.0, =0.0.1, =0.0.6, =1.0.5, =0.1.2, =0.0.1, =1.2.27, =0.1.7, =3.0.0-beta.65.0, =8.0.0, =11.0.0 and more Source cves: CVE-2025-68665 Source advisory: OSV:GHSA-R399-636X-V7F6...

LangChain serialization injection vulnerability enables secret extraction

Context A serialization injection vulnerability exists in LangChain JS's toJSON method and subsequently when string-ifying objects using JSON.stringify. The method did not escape objects with 'lc' keys when serializing free-form data in kwargs. The 'lc' key is used internally by LangChain to mark...

EUVD-2025-204846

LangChain serialization injection vulnerability enables secret extraction...

GHSA-R399-636X-V7F6 LangChain serialization injection vulnerability enables secret extraction

Context A serialization injection vulnerability exists in LangChain JS's toJSON method and subsequently when string-ifying objects using JSON.stringify. The method did not escape objects with 'lc' keys when serializing free-form data in kwargs. The 'lc' key is used internally by LangChain to mark...

@axiom-lattice/agent-eval (>=2.1.9, <=2.1.100), @axiom-lattice/core (>=2.1.0, <=4.2.4) +15 more potentially affected by CVE-2025-68665 via langchain (>=1.0.2, <=1.2.0)

langchain NPM version =1.0.2, =2.1.9, =2.1.0, =1.0.11, =2.1.0, =0.1.1, =1.0.1, =1.0.1, =1.0.0, =0.1.3, =3.66.0, =3.66.0, =5.7.2, =0.0.1, =0.3.0, =0.3.1 - hedera-agent-kit 3.5.2 and more Source cves: CVE-2025-68665 Source advisory: OSV:GHSA-R399-636X-V7F6...

@atom8n/ai-workflow-builder (>=1.2.1, <=1.5.8), @atom8n/backend-test-utils (>=1.2.2, <=1.5.8) +39 more potentially affected by CVE-2025-68665 via @langchain/core (>=1.0.1, <=1.1.7)

@langchain/core NPM version =1.0.1, =1.2.1, =1.2.2, =1.2.2, =2.2.2, =2.2.2, =2.2.2, =2.1.9, =2.1.0, =2.1.0, =1.0.11, =2.1.0, =1.0.1, =2.1.0, =1.0.1, =2.1.0, =2.1.36 and more Source cves: CVE-2025-68665 Source advisory: OSV:GHSA-R399-636X-V7F6...

EUVD-2025-204849

LangChain serialization injection vulnerability enables secret extraction in dumps/loads APIs...

GHSA-C67J-W6G6-Q2CM LangChain serialization injection vulnerability enables secret extraction in dumps/loads APIs

Summary A serialization injection vulnerability exists in LangChain's dumps and dumpd functions. The functions do not escape dictionaries with 'lc' keys when serializing free-form dictionaries. The 'lc' key is used internally by LangChain to mark serialized objects. When user-controlled data...

LangChain serialization injection vulnerability enables secret extraction in dumps/loads APIs

Summary A serialization injection vulnerability exists in LangChain's dumps and dumpd functions. The functions do not escape dictionaries with 'lc' keys when serializing free-form dictionaries. The 'lc' key is used internally by LangChain to mark serialized objects. When user-controlled data...

CVE-2025-68665: Deserialization of Untrusted Data

LangChain is a framework for building LLM-powered applications. Prior to @langchain/core versions 0.3.80 and 1.1.8, and prior to langchain versions 0.3.37 and 1.2.3, a serialization injection vulnerability exists in LangChain JS's toJSON method and subsequently when string-ifying objects using...

PT-2025-52859

Name of the Vulnerable Software and Affected Versions: LangChain versions prior to 0.3.81 and 1.2.5 Description: A serialization injection vulnerability exists in LangChain's dumps and dumpd functions. These functions do not properly escape dictionaries containing 'lc' keys when serializing data...

CVE-2025-68664: Deserialization of Untrusted Data

LangChain is a framework for building agents and LLM-powered applications. Prior to versions 0.3.81 and 1.2.5, a serialization injection vulnerability exists in LangChain's dumps and dumpd functions. The functions do not escape dictionaries with 'lc' keys when serializing free-form dictionaries...

LangChain 代码问题漏洞

LangChain is a LangChain open source framework for developing applications powered by the Large Language Model LLM. A code issue vulnerability exists in LangChain versions prior to 0.3.37 and prior to 1.2.3, which stems from serialization injection and could lead to the execution of arbitrary cod...

PT-2025-52862

Name of the Vulnerable Software and Affected Versions LangChain versions prior to 0.3.37 @langchain/core versions prior to 0.3.80 LangChain versions prior to 1.2.3 @langchain/core versions prior to 1.1.8 Description LangChain is a framework designed for building applications powered by Large...

LangChain 代码问题漏洞

LangChain is a LangChain open source framework for developing applications powered by the Large Language Model LLM. A code issue vulnerability exists in LangChain versions prior to 0.3.81 and prior to 1.2.5, which stems from serialization injection and could lead to the execution of arbitrary cod...

Path Traversal

Langchain-Chatchat is vulnerable to Path Traversal. The vulnerability is due to improper validation of the flag argument when processing requests to the /v1/file endpoint, which allows an attacker to manipulate file paths and access files outside the intended directory...