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CVE Vulnerability Details :
CVE-2025-6853
PUBLISHED
More InfoOfficial Page
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
View Known Exploited Vulnerability (KEV) details
Published At-29 Jun, 2025 | 07:31
Updated At-30 Jun, 2025 | 15:44
Rejected At-
▼CVE Numbering Authority (CNA)
chatchat-space Langchain-Chatchat Backend upload_temp_docs path traversal

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.

Affected Products
Vendor
chatchat-space
Product
Langchain-Chatchat
Modules
  • Backend
Versions
Affected
  • 0.3.0
  • 0.3.1
Problem Types
TypeCWE IDDescription
CWECWE-22Path Traversal
Type: CWE
CWE ID: CWE-22
Description: Path Traversal
Metrics
VersionBase scoreBase severityVector
4.05.3MEDIUM
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
3.16.3MEDIUM
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
3.06.3MEDIUM
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
2.06.5N/A
AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
Version: 4.0
Base score: 5.3
Base severity: MEDIUM
Vector:
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
Version: 3.1
Base score: 6.3
Base severity: MEDIUM
Vector:
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
Version: 3.0
Base score: 6.3
Base severity: MEDIUM
Vector:
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
Version: 2.0
Base score: 6.5
Base severity: N/A
Vector:
AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Advisory disclosed2025-06-28 00:00:00
VulDB entry created2025-06-28 02:00:00
VulDB entry last update2025-06-28 12:43:05
Event: Advisory disclosed
Date: 2025-06-28 00:00:00
Event: VulDB entry created
Date: 2025-06-28 02:00:00
Event: VulDB entry last update
Date: 2025-06-28 12:43:05
Replaced By
Rejected Reason
References
HyperlinkResource
https://vuldb.com/?id.314325
vdb-entry
technical-description
https://vuldb.com/?ctiid.314325
signature
permissions-required
https://vuldb.com/?submit.601155
third-party-advisory
https://github.com/chatchat-space/Langchain-Chatchat/issues/5352
exploit
issue-tracking
Hyperlink: https://vuldb.com/?id.314325
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/?ctiid.314325
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/?submit.601155
Resource:
third-party-advisory
Hyperlink: https://github.com/chatchat-space/Langchain-Chatchat/issues/5352
Resource:
exploit
issue-tracking
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/chatchat-space/Langchain-Chatchat/issues/5352
exploit
Hyperlink: https://github.com/chatchat-space/Langchain-Chatchat/issues/5352
Resource:
exploit
Details not found