PT-2026-104042 · Undefined · Undefined

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CVE-2026-51884

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Published

2026-10-01

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Updated

2026-10-01

None

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The /knowledge base/upload temp docs temporary document upload endpoint in Langchain Chatchat 0.3.1 is vulnerable to path traversal. By crafting malicious filenames, an attacker can write files to arbitrary locations on the server, bypassing the intended restrictions on the temporary directory.
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Related Identifiers

CVE-2026-51884

Affected Products

Undefined