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Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2025-6853

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.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.001

EPSS Ranking 29.1%

CVSS Severity

CVSS v3 Score 6.3

CVSS v2 Score 6.5

References

Products affected by CVE-2025-6853

Chatchat-Space » Langchain-Chatchat » Version: 0.1.0

cpe:2.3:a:chatchat-space:langchain-chatchat:0.1.0
Chatchat-Space » Langchain-Chatchat » Version: 0.1.1

cpe:2.3:a:chatchat-space:langchain-chatchat:0.1.1
Chatchat-Space » Langchain-Chatchat » Version: 0.1.10

cpe:2.3:a:chatchat-space:langchain-chatchat:0.1.10
Chatchat-Space » Langchain-Chatchat » Version: 0.1.11

cpe:2.3:a:chatchat-space:langchain-chatchat:0.1.11
Chatchat-Space » Langchain-Chatchat » Version: 0.1.12

cpe:2.3:a:chatchat-space:langchain-chatchat:0.1.12
Chatchat-Space » Langchain-Chatchat » Version: 0.1.13

cpe:2.3:a:chatchat-space:langchain-chatchat:0.1.13
Chatchat-Space » Langchain-Chatchat » Version: 0.1.14

cpe:2.3:a:chatchat-space:langchain-chatchat:0.1.14
Chatchat-Space » Langchain-Chatchat » Version: 0.1.15

cpe:2.3:a:chatchat-space:langchain-chatchat:0.1.15
Chatchat-Space » Langchain-Chatchat » Version: 0.1.16

cpe:2.3:a:chatchat-space:langchain-chatchat:0.1.16
Chatchat-Space » Langchain-Chatchat » Version: 0.1.17

cpe:2.3:a:chatchat-space:langchain-chatchat:0.1.17
Chatchat-Space » Langchain-Chatchat » Version: 0.1.2

cpe:2.3:a:chatchat-space:langchain-chatchat:0.1.2
Chatchat-Space » Langchain-Chatchat » Version: 0.1.3

cpe:2.3:a:chatchat-space:langchain-chatchat:0.1.3
Chatchat-Space » Langchain-Chatchat » Version: 0.1.4

cpe:2.3:a:chatchat-space:langchain-chatchat:0.1.4
Chatchat-Space » Langchain-Chatchat » Version: 0.1.5

cpe:2.3:a:chatchat-space:langchain-chatchat:0.1.5
Chatchat-Space » Langchain-Chatchat » Version: 0.1.6

cpe:2.3:a:chatchat-space:langchain-chatchat:0.1.6
Chatchat-Space » Langchain-Chatchat » Version: 0.1.7

cpe:2.3:a:chatchat-space:langchain-chatchat:0.1.7
Chatchat-Space » Langchain-Chatchat » Version: 0.1.8

cpe:2.3:a:chatchat-space:langchain-chatchat:0.1.8
Chatchat-Space » Langchain-Chatchat » Version: 0.1.9

cpe:2.3:a:chatchat-space:langchain-chatchat:0.1.9
Chatchat-Space » Langchain-Chatchat » Version: 0.2.0

cpe:2.3:a:chatchat-space:langchain-chatchat:0.2.0
Chatchat-Space » Langchain-Chatchat » Version: 0.2.1

cpe:2.3:a:chatchat-space:langchain-chatchat:0.2.1
Chatchat-Space » Langchain-Chatchat » Version: 0.2.10

cpe:2.3:a:chatchat-space:langchain-chatchat:0.2.10
Chatchat-Space » Langchain-Chatchat » Version: 0.2.2

cpe:2.3:a:chatchat-space:langchain-chatchat:0.2.2
Chatchat-Space » Langchain-Chatchat » Version: 0.2.3

cpe:2.3:a:chatchat-space:langchain-chatchat:0.2.3
Chatchat-Space » Langchain-Chatchat » Version: 0.2.4

cpe:2.3:a:chatchat-space:langchain-chatchat:0.2.4
Chatchat-Space » Langchain-Chatchat » Version: 0.2.5

cpe:2.3:a:chatchat-space:langchain-chatchat:0.2.5
Chatchat-Space » Langchain-Chatchat » Version: 0.2.6

cpe:2.3:a:chatchat-space:langchain-chatchat:0.2.6
Chatchat-Space » Langchain-Chatchat » Version: 0.2.7

cpe:2.3:a:chatchat-space:langchain-chatchat:0.2.7
Chatchat-Space » Langchain-Chatchat » Version: 0.2.8

cpe:2.3:a:chatchat-space:langchain-chatchat:0.2.8
Chatchat-Space » Langchain-Chatchat » Version: 0.2.9

cpe:2.3:a:chatchat-space:langchain-chatchat:0.2.9
Chatchat-Space » Langchain-Chatchat » Version: 0.3.0

cpe:2.3:a:chatchat-space:langchain-chatchat:0.3.0
Chatchat-Space » Langchain-Chatchat » Version: 0.3.1

cpe:2.3:a:chatchat-space:langchain-chatchat:0.3.1

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2025-6853

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