{"url":"http://public2.vulnerablecode.io/api/packages/73094?format=json","purl":"pkg:npm/%40langchain/core@1.1.8","type":"npm","namespace":"@langchain","name":"core","version":"1.1.8","qualifiers":{},"subpath":"","is_vulnerable":false,"next_non_vulnerable_version":null,"latest_non_vulnerable_version":null,"affected_by_vulnerabilities":[],"fixing_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/49502?format=json","vulnerability_id":"VCID-hzdw-2jub-d3hg","summary":"LangChain serialization injection vulnerability enables secret extraction\nAttackers who control serialized data can extract environment variable secrets by injecting `{\"lc\": 1, \"type\": \"secret\", \"id\": [\"ENV_VAR\"]}` to load environment variables during deserialization (when `secretsFromEnv: true`). They can also instantiate classes with controlled parameters by injecting constructor structures to instantiate any class within the provided import maps with attacker-controlled parameters, potentially triggering side effects such as network calls or file operations.\n\nKey severity factors:\n\n- Affects the serialization path—applications trusting their own serialization output are vulnerable\n- Enables secret extraction when combined with `secretsFromEnv: true`\n- LLM responses in `additional_kwargs` can be controlled via prompt 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