CVE-2025-6855 — MEDIUM (5.5)

Q: How severe is CVE-2025-6855?

CVE-2025-6855 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2025-6855?

Check the references section above for vendor advisories and patch information. Affected products include: Chatchat-Space Langchain-Chatchat.

Vulnerability 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.

CVSS Score

5.5

MEDIUM

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

LOW

Affected Products

Vendor	Product	Versions
Chatchat-Space	Langchain-Chatchat	<= 0.3.1

Related Weaknesses (CWE)

CWE-22

References

https://github.com/chatchat-space/Langchain-Chatchat/issues/5354ExploitIssue TrackingVendor Advisory
https://vuldb.com/?ctiid.314327Permissions RequiredVDB Entry
https://vuldb.com/?id.314327Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.601162Third Party AdvisoryVDB Entry

FAQ

What is CVE-2025-6855?

CVE-2025-6855 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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...

How severe is CVE-2025-6855?

CVE-2025-6855 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-6855?

Check the references section above for vendor advisories and patch information. Affected products include: Chatchat-Space Langchain-Chatchat.