CVE-2026-51884

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-51884
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-01 22:17:03 UTC
Updated2026-10-02 18:47:49 UTC
DescriptionThe /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.

Risk And Classification

Problem Types: n/a

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
github.com/chatchat-space/Langchain-Chatchat/issues/5466 [email protected] github.com
gist.github.com/Ro1ME/da028c9ce13dd888e265b9bef01d6eca [email protected] gist.github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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