CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2024-8309
Critical (9.8) in langchain langchain. EPSS 14% chance of exploitation in the next 30 days. Fixed in langchain-community 0.2.19.
A vulnerability in the GraphCypherQAChain class of langchain-ai/langchain version 0.2.5 allows for SQL injection through prompt injection. This vulnerability can lead to unauthorized data manipulation, data exfiltration, denial of service (DoS) by deleting all data, breaches in multi-tenant security environments, and data integrity issues. Attackers can create, update, or delete nodes and relationships without proper authorization, extract sensitive data, disrupt services, access data across different tenants, and compromise the integrity of the database.
Severity
- EPSS
- 14% chance of exploitation in the next 30 days; higher than 96% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-74, CWE-89
- Published
- Modified
- Record from
- the NVD, synced
Affected
- langchain:langchain
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-45pg-36p6-83v9 | PyPI | langchain-community | >=0.2.0 <0.2.19 | 0.2.19 |
| GHSA-45pg-36p6-83v9 | PyPI | langchain | <0.2.0 | 0.2.0 |
| PYSEC-2026-1507 | PyPI | langchain | <0.2.0 | 0.2.0 |