CVE-2026-51883 Details
UNDERGOING ENRICHMENT
The CVE is currently being enriched by the Volerion team. The enrichment process results in the association of reference link tags, CVSS, and CPE applicability statement data.
Description
The knowledge base creation and document upload interfaces in Langchain-Chatchat 0.3.0;0.3.1 is vulnerable to path traversal. An attacker can inject path traversal sequences (such as `..\`) into the `knowledge_base_name` parameter to write knowledge base content to arbitrary locations outside the configured knowledge base root directory.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS-B:…Vector:This vulnerability is currently being analyzed.No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
VolerionCVSS-B:…Vector:This vulnerability is currently being analyzed.No CVSS 3.x data is available for this CVE.
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://gist.github.com/Ro1ME/30f5139a2920bf7075299a33eb1690f2 | [email protected] | |
| https://github.com/chatchat-space/Langchain-Chatchat/issues/5467 | [email protected] |
Weakness Enumeration
No weakness enumeration is available for this CVE.
Affected Products
This vulnerability is currently being analyzed
Change History
1 change record found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 1, 2026 | New CVE Received | [email protected] |