CVE-2025-6855

chatchat-space Langchain-Chatchat file path traversal

Published Jun 29, 2025 CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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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.
Github GHSA Github GHSA GHSA-f823-phmg-x5fr Langchain-Chatchat vulnerable to path traversal
History
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
Type Values Removed Values Added
Metrics ssvc

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

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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Jun 30, 2025, 4:04 PM
Reserved
Jun 28, 2025, 10:38 AM
Status
Analyzed
Published
Jun 29, 2025, 9:15 AM
Modified
Jun 17, 2026, 10:02 AM