A vulnerability, which was classified as critical, has been found in chatchat-space Langchain-Chatchat up to 0.3.1. This issue affects some unknown processing of the file /v1/file. The manipulation of the argument flag leads to path traversal. The exploit has been disclosed to the public and may be used.

Metrics

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Adjacent Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00037.

Exploitation poc

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Chatchat-space
  • Langchain-chatchat

Configuration 1 [-]

cpe:2.3:a:chatchat-space:langchain-chatchat:*:*:*:*:*:*:*:*

No data.

No data.

Advisories
Source ID Title
EUVD EUVD EUVD-2025-19478 A vulnerability, which was classified as critical, has been found in chatchat-space Langchain-Chatchat up to 0.3.1. This issue affects some unknown processing of the file /v1/file. The manipulation of the argument flag leads to path traversal. The exploit has been disclosed to the public and may be used.
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/chatchat-space/Langchain-Chatchat/issues/5354 cve-icon cve-icon
https://vuldb.com/?ctiid.314327 cve-icon cve-icon
https://vuldb.com/?id.314327 cve-icon cve-icon
https://vuldb.com/?submit.601162 cve-icon cve-icon
History

Fri, 31 Oct 2025 20:00:00 +0000

Type Values Removed Values Added
First Time appeared Chatchat-space
Chatchat-space langchain-chatchat
CPEs cpe:2.3:a:chatchat-space:langchain-chatchat:*:*:*:*:*:*:*:*
Vendors & Products Chatchat-space
Chatchat-space langchain-chatchat

Mon, 30 Jun 2025 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Sun, 29 Jun 2025 09:15:00 +0000

Type Values Removed Values Added
Description A vulnerability, which was classified as critical, has been found in chatchat-space Langchain-Chatchat up to 0.3.1. This issue affects some unknown processing of the file /v1/file. The manipulation of the argument flag leads to path traversal. The exploit has been disclosed to the public and may be used.
Title chatchat-space Langchain-Chatchat file path traversal
Weaknesses CWE-22
References
Metrics cvssV2_0

{'score': 5.2, 'vector': 'AV:A/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 5.5, 'vector': 'CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2025-06-30T16:04:34.640Z

Reserved: 2025-06-28T10:38:00.820Z

Link: CVE-2025-6855

cve-icon Vulnrichment

Updated: 2025-06-30T16:04:26.274Z

cve-icon NVD

Status : Analyzed

Published: 2025-06-29T09:15:24.290

Modified: 2025-10-31T19:58:06.767

Link: CVE-2025-6855

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.