CVE-2023-34540 Langchain OS Command Injection vulnerability

Critical 9.8 Published 14 Jun 2023 Updated 2 Aug 2024

Attackers can execute arbitrary code via crafted input in the JiraAPIWrapper component of the Langchain library.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2023-34540?

CVE-2023-34540 is a critical code injection vulnerability in n/a, published on 14 Jun 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Which versions are affected by CVE-2023-34540?

3 open source packages ship an affected version, including langchain. It affects 1 product.

Package	Affected	Fixed in
`langchain` PyPI	All versions	`0.0.225`
`langchain` PyPI	All versions	`0.0.225`
`langchain` PyPI	All versions	`0.0.225`

Products include Langchain Langchain.

How do I fix CVE-2023-34540?

Upgrade langchain to 0.0.225 or later.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2023-34540 being exploited?

There is no known exploitation of CVE-2023-34540 in the wild and no public exploit code.

Sources

Also known as GHSA-x32c-59v5-h7fg, PYSEC-2023-91.