> CVE-2026-85709 [MEDIUM]

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PUBLISHED
2026-09-22 17:17
MODIFIED
2026-09-22 17:17
CVSS_SCORE V3
5.3
EPSS (Prob. Exploit)
0.39%
Top 68.8%
DATA SOURCES:
NVD đź”— 2026-09-22 CWE MITRE đź”— 2026-10-01 FIRST EPSS đź”— 2026-10-21 GITHUB đź”— 2026-09-23 OSV đź”— 2026-10-19

> DESCRIPTION

LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.5.5, the LightRAG API server returns raw Python exception text from error handlers in document_routes.py, graph_routes.py, query_routes.py, ollama_api.py, and lightrag_server.py. The detail=str(e), detail=str(exc), and equivalent formatted-message paths expose server filesystem paths, database host, port, user, and database names, language-model provider diagnostics, configuration details, and Python library internals to a network client that can trigger an error. The default unauthenticated configuration makes those responses reachable without credentials, and URI-configured backends can disclose connection strings containing credentials depending on the underlying driver error. This issue is fixed in version 1.5.5.

> AFFECTED_PRODUCTS

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> CVSS V3 METRICS

CVSS_VECTOR
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EXPLOITABILITY
3.9
IMPACT
1.4

> MÉTRIQUES CVSS DÉTAILLÉES

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Métrique Valeur Interprétation
AV (Vecteur d'Attaque)
Attack Vector
Network (N)
Exploit possible à distance via réseau (HTTP, API, etc.)
AC (Complexité d'Attaque)
Attack Complexity
Low (L)
Peu de conditions requises pour exploiter
PR (Privilèges Requis)
Privileges Required
None (N)
Aucune authentification requise
UI (Interaction Utilisateur)
User Interaction
None (N)
Aucune interaction utilisateur nécessaire
S (Périmètre)
Scope
Unchanged (U)
Impact reste dans le périmètre du composant compromis
C (Impact Confidentialité)
Confidentiality Impact
Low (L)
Divulgation limitée d'informations
I (Impact Intégrité)
Integrity Impact
None (N)
Aucune modification de données possible
A (Impact Disponibilité)
Availability Impact
None (N)
Aucune interruption de service

> RÉSUMÉ DES IMPACTS

Confidentialité
Low
Divulgation limitée d'informations
Intégrité
None
Aucune modification de données possible
Disponibilité
None
Aucune interruption de service

> WEAKNESSES

CWE-209

> CWE DETAILED DESCRIPTIONS

CWE-209: Generation of Error Message Containing Sensitive Information - The product generates an error message that includes sensitive information about its environment, users, or associated data.

> GITHUB SECURITY ADVISORY

GHSA-hrmj-7rvj-4hg8 MODERATE

lightrag-hku: Sensitive Information Exposure Through Raw Exception Messages in API Error Responses

AFFECTED PACKAGES:
PIP / lightrag-hku
<= 1.5.4
Fixed in: 1.5.5

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

LightRAG: Sensitive Information Exposure Through Raw Exception Messages in API Error Responses

AFFECTED PACKAGES:
Unknown / Unknown
91 versions affected
ALIASES:
GHSA-hrmj-7rvj-4hg8, PYSEC-2026-4063

> HISTORIQUE DES MODIFICATIONS

Première apparition
22/09/2026 17:17
Source: NVD
📊 ENRICHISSEMENT 01/10/2026 06:01
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-209: Generation of Error Message Containing Sensitive Information - The product generates an error message that includes sensitive information about its environment, users, or associated data.
Total des modifications: 1 Dernière mise à jour: 3 weeks ago

> REFERENCES

https://github.com/HKUDS/LightRAG/commit/4d90a0eb35d40b45f3a9045e308ec126897a336...
https://github.com/HKUDS/LightRAG/commit/dcab315d7dc1eea682e9b2c4fcb1b06474484c4...
https://github.com/HKUDS/LightRAG/pull/3422
https://github.com/HKUDS/LightRAG/releases/tag/v1.5.5
https://github.com/HKUDS/LightRAG/security/advisories/GHSA-hrmj-7rvj-4hg8
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