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CVE-2025-6773

17
FAUCET Score

CVE-2025-6773 is a critical path traversal vulnerability affecting HKUDS LightRAG versions up to 1.3.8. Specifically, the upload_to_input_dir function in lightrag/api/routers/document_routes.py allows an attacker to manipulate the file.filename argument, leading to unauthorized file system access on the local host. While rated Medium severity (CVSS 5.3) due to local access requirements, it carries a critical declaration. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
HKUDSLightRAG
1.3.0, 1.3.1, 1.3.2, 1.3.3, 1.3.4, 1.3.5, 1.3.6, 1.3.7, 1.3.8CNA affected

CVSS Data

CVSS version used by this source: 4.0

4.8MEDIUM

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/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

Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
VS Confidentiality
LOW
VS Integrity
LOW
VS Availability
LOW
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.17%
Probability of exploitation in next 30 days
EPSS Percentile
7.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0017 is in the 39th percentile among its peer group of 15,940 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media 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.

Remediation

Patch Available

Vendor Patches (1)

pippatch availablevia ghsa
Product: lightrag-hkuFixed in: 1.3.8

Vendor Advisories (1)

pipGHSA-v9w6-9hq9-33chmedium

HKUDS LightRAG allows Path Traversal via function upload_to_input_dir

Jun 27, 2025

References

github.com / HKUDS/LightRAG/commit/60777d535b719631680bcf5d0969bdef79ca4eaf
github.com / HKUDS/LightRAG/issues/1692
github.com / HKUDS/LightRAG/issues/1692
vuldb.com
vuldb.com
vuldb.com