CVE-2026-51883
The knowledge base creation and document upload interfaces in Langchain-Chatchat 0.3.0;0.3.1 is vulnerable to path traversal.
- Published
- Last modified
- Status
- published
- Known exploitation
- Not listed in CISA KEV
- Public exploit
- None on Exploit-DB
CISA SSVC
- Exploitation: poc
- Automatable: yes
- Technical impact: total
?
Decision points from CISA's Vulnrichment, assessed (SSVC 2.0.3).
SSVC documentationSummary
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.
Affected versions
No affected packages have been listed by the sources.