Langchain SQL Injection vulnerability
Low4.9CVE-2024-8309 · Published Oct 29, 2024 · updated Jul 7, 2026
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.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| langchain PyPI | < 0.2.0 | 0.2.0 |
| langchain-community PyPI | >= 0.2.0, < 0.2.19 | 0.2.19 |
Details and references
- CVSS 3.0
- CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
- Severity from
- GitHub (reviewed advisory)
- Weakness
- CWE-74, CWE-89
- Also known as
- CVE-2024-8309, PYSEC-2024-115, PYSEC-2026-1507
- nvd.nist.gov/vuln/detail/CVE-2024-8309
- github.com/langchain-ai/langchain/commit/64c317eba05fbac0c6a6fc5aa192bc0d7130972e
- github.com/langchain-ai/langchain/commit/c2a3021bb0c5f54649d380b42a0684ca5778c255
- github.com/langchain-ai/langchain
- github.com/pypa/advisory-database/tree/main/vulns/langchain/PYSEC-2024-115.yaml
- huntr.com/bounties/8f4ad910-7fdc-4089-8f0a-b5df5f32e7c5
More LangChain advisories
All LangChain| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Oct 292024 | Langchain Path Traversal vulnerability | Medium6.5 | 0.2.19 |
| Oct 292024 | @langchain/community SQL Injection vulnerability | Low4.9 | 0.3.3 |
| Sep 192024 | LangChain Experimental Eval Injection vulnerability | Critical9.8 | No fix yet |
| Sep 172024 | LangChain pickle deserialization of untrusted data | High5.2 | 0.2.4 |
| Jul 152024 | langchain-experimental vulnerable to Arbitrary Code Execution | Critical8.5 | 0.0.21 |
| Jun 162024 | langchain_experimental Code Execution via Python REPL access | High7.8 | 0.0.61 |