genai-agents (>=0.1.0, <=0.1.3), openagi (>=0.1.0b0, <=0.1.0b4) potentially affected by CVE-2024-58340 via langchain-exa (0.0.1)

langchain-exa PYPI version 0.0.1 is affected by a known vulnerability. The following packages have a transitive dependency on langchain-exa and may be impacted: - genai-agents =0.1.0, =0.1.0b0, =0.1.0b4 Source cves: CVE-2024-58340 Source advisory: OSV:PYSEC-2026-75...

PYSEC-2026-75

LangChain versions up to and including 0.3.1 contain a regular expression denial-of-service ReDoS vulnerability in the MRKLOutputParser.parse method libs/langchain/langchain/agents/mrkl/outputparser.py. The parser applies a backtracking-prone regular expression when extracting tool actions from...

CVE-2024-58340 LangChain <= 0.3.1 MRKLOutputParser ReDoS

LangChain versions up to and including 0.3.1 contain a regular expression denial-of-service ReDoS vulnerability in the MRKLOutputParser.parse method libs/langchain/langchain/agents/mrkl/outputparser.py. The parser applies a backtracking-prone regular expression when extracting tool actions from...

CVE-2024-58340

LangChain contain a regular expression denial-of-service ReDoS vulnerability in the MRKLOutputParser.parse method libs/langchain/langchain/agents/mrkl/outputparser.py. The parser applies a backtracking-prone regular expression when extracting tool actions from model output. An attacker who can...

CVE-2024-58340 LangChain <= 0.3.1 MRKLOutputParser ReDoS

LangChain versions up to and including 0.3.1 contain a regular expression denial-of-service ReDoS vulnerability in the MRKLOutputParser.parse method libs/langchain/langchain/agents/mrkl/outputparser.py. The parser applies a backtracking-prone regular expression when extracting tool actions from...

agent-nexus-cli (>=0.1.0, <=0.1.31), aggregation-agent (>=0.1.2, <=0.1.11) +32 more potentially affected by CVE-2024-58340 via langchain-classic (>=1.0.0, <=1.0.1)

langchain-classic PYPI version =1.0.0, =0.1.0, =0.1.2, =0.1.0, =3.0.3, =3.1.0, =0.0.597, =0.1.0, =0.1.0, =0.1.0, =0.1.0, =0.1.0, =0.1.2, =0.1.9 - hspylib-askai 1.2.19 and more Source cves: CVE-2024-58340 Source advisory: MEND:CVE-2024-58340...

CVE-2024-58340 LangChain <= 0.3.1 MRKLOutputParser ReDoS

LangChain versions up to and including 0.3.1 contain a regular expression denial-of-service ReDoS vulnerability in the MRKLOutputParser.parse method libs/langchain/langchain/agents/mrkl/outputparser.py. The parser applies a backtracking-prone regular expression when extracting tool actions from...

CVE-2024-58340

LangChain

PT-2026-2319

Name of the Vulnerable Software and Affected Versions LangChain versions up to and including 0.3.1 Description LangChain versions up to and including 0.3.1 have a regular expression denial-of-service ReDoS issue in the MRKLOutputParser.parse method, located in...

CVE-2024-58340: Inefficient Regular Expression Complexity

LangChain versions up to and including 0.3.1 contain a regular expression denial-of-service ReDoS vulnerability in the MRKLOutputParser.parse method libs/langchain/langchain/agents/mrkl/outputparser.py. The parser applies a backtracking-prone regular expression when extracting tool actions from...

LangChain security vulnerabilities

LangChain is the LangChain open source framework for developing applications powered by the Large Language Model LLM. A security vulnerability exists in LangChain 0.3.1 and earlier versions, which stems from the MRKLOutputParser.parse method using a regular expression that is vulnerable to...

centricube-langchain (>=1.2.3, <=1.3.0), centricube-pyautogen (>=0.3.2, <=0.3.3) +5 more potentially affected by CVE-2026-22691 via pypdf (5.6.1)

pypdf PYPI version 5.6.1 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - centricube-langchain =1.2.3, =0.3.2, =0.3.0, =0.1.0, =0.0.11, =0.0.3, =0.0.5 Source cves: CVE-2026-22691 Source advisory: OSV:GHSA-4F6G-68PF-7VHV...

centricube-langchain (>=1.2.3, <=1.3.0), centricube-pyautogen (>=0.3.2, <=0.3.3) +5 more potentially affected by CVE-2026-22690 via pypdf (5.6.1)

pypdf PYPI version 5.6.1 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - centricube-langchain =1.2.3, =0.3.2, =0.3.0, =0.1.0, =0.0.11, =0.0.3, =0.0.5 Source cves: CVE-2026-22690 Source advisory: OSV:GHSA-4XC4-762W-M6CG...

Improper Validation of Specified Type of Input

Overview @n8n/n8n-nodes-langchain is a Affected versions of this package are vulnerable to Improper Validation of Specified Type of Input that is passed to the handleFormData function. An attacker can gain unauthorized access to files on the underlying server by requests with unexpected...

CVE-2024-2057

A vulnerability was found in LangChain langchaincommunity 0.0.26. It has been classified as critical. Affected is the function loadlocal in the library libs/community/langchaincommunity/retrievers/tfidf.py of the component TFIDFRetriever. The manipulation leads to server-side request forgery. It ...

SQL Injection

Overview langchain-cloudflare is a Langchain Integrations for Cloudflare's WorkersAI and Vectorize Affected versions of this package are vulnerable to SQL Injection due to improper sanitization of nested metadata in D1 database operations. The d1upserttexts and ad1upserttexts methods construct SQ...

Exploit for CVE-2025-68664

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Critical LangChain Core Vulnerability Exposes Secrets via Serialization Injection

A critical security flaw has been disclosed in LangChain Core that could be exploited by an attacker to steal sensitive secrets and even influence large language model LLM responses through prompt injection. LangChain Core i.e., langchain-core is a core Python package that's part of the LangChain...

CVE-2025-68664

A flaw was found in LangChain, a framework for building agents and LLM-powered applications. A remote attacker can exploit a serialization injection vulnerability in LangChain's dumps and dumpd functions. This occurs because the functions do not properly escape dictionaries containing the interna...

CVE-2025-68665

A flaw was found in LangChain. A remote attacker could exploit a serialization injection vulnerability in the toJSON method. This occurs because the method fails to properly escape objects containing 'lc' keys during serialization of free-form data. When user-controlled data includes this key...