CVE-2025-6853 (GCVE-0-2025-6853)

Vulnerability from cvelistv5 – Published: 2025-06-29 07:31 – Updated: 2025-06-30 15:44
VLAI?
Title
chatchat-space Langchain-Chatchat Backend upload_temp_docs path traversal
Summary
A vulnerability classified as critical has been found in chatchat-space Langchain-Chatchat up to 0.3.1. This affects the function upload_temp_docs of the file /knowledge_base/upload_temp_docs of the component Backend. The manipulation of the argument flag leads to path traversal. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
Severity ?
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
6.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
6.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CWE
Assigner
References
https://vuldb.com/?id.314325 vdb-entrytechnical-description
https://vuldb.com/?ctiid.314325 signaturepermissions-required
https://vuldb.com/?submit.601155 third-party-advisory
https://github.com/chatchat-space/Langchain-Chatc… exploitissue-tracking
Impacted products
Vendor Product Version
chatchat-space Langchain-Chatchat Affected: 0.3.0
Affected: 0.3.1
Create a notification for this product.
Show details on NVD website
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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