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.
Published:
2026-10-01
Score:
n/a
EPSS:
n/a
KEV:
No
Impact:
n/a
Action:
n/a
Analysis
No analysis available yet.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | n/a | affected |
|
No data.
No data.
No data available yet.
Remediation
No remediation available yet.
Tracking
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Advisories
No advisories yet.
References
History
Thu, 01 Oct 2026 21:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| References |
|
Subscriptions
No data.
MITRE
Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2026-10-01T21:35:55.173Z
Reserved: 2026-06-08T00:00:00.000Z
Link: CVE-2026-51883
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-10-01T22:17:03.127
Modified: 2026-10-01T22:17:03.127
Link: CVE-2026-51883
Redhat
No data.
OpenCVE Enrichment
No data.
Weaknesses
No weakness.