| Component | LangChain |
| Severity | critical (CVSS 9.8) |
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Published (NVD) | 2023-06-14 |
| Last modified | 2026-06-17 |
| Affected versions | langchain = 0.0.171 |
| Fixed in | see the vendor advisory |
| CISA KEV | not listed |
NVD description
Langchain before v0.0.225 was discovered to contain a remote code execution (RCE) vulnerability in the component JiraAPIWrapper (aka the JIRA API wrapper). This vulnerability allows attackers to execute arbitrary code via crafted input. As noted in the "releases/tag" reference, a fix is available.
What to do
- NVD lists no fixed version yet: follow the vendor advisory below and keep LangChain off the public internet until a fix ships.
- Do not expose the component's API or UI to the internet without authentication in front of it.
Sources
- NVD: CVE-2023-34540
- https://github.com/hwchase17/langchain/issues/4833
- https://github.com/langchain-ai/langchain/pull/6992
- https://github.com/langchain-ai/langchain/releases/tag/v0.0.225
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