CVE-2025-6855 is a critical path traversal vulnerability affecting chatchat-space Langchain-Chatchat up to version 0.3.1, specifically within the /v1/file endpoint when manipulating the 'flag' argument. This flaw carries a high CVSS score of 8.8, indicating that an authenticated attacker can remotely achieve high confidentiality, integrity, and availability impacts with low attack complexity. While the exploit has been publicly disclosed, there is no evidence of active exploitation, and it currently lacks exploit code in common frameworks or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 0.3.1CPE matchmatch criteria | cpe:2.3:a:chatchat-space:langchain-chatchat:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.