CVE-2023-36258 langchain arbitrary code execution vulnerability
Attackers can execute arbitrary code via Python injection in LangChain, requiring developers to upgrade the 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-2023-36258?
CVE-2023-36258 is a critical code injection vulnerability in n/a, published on 3 Jul 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue in LangChain before 0.0.236 allows an attacker to execute arbitrary code because Python code with os.system, exec, or eval can be used.
Weakness: CWE-94
Which versions are affected by CVE-2023-36258?
3 open source packages ship an affected version, including langchain. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
langchain PyPI | All versions | 0.0.247 |
langchain PyPI | All versions | 0.0.247 |
langchain PyPI | All versions | 0.0.247 |
Products include Langchain Langchain.
How do I fix CVE-2023-36258?
Upgrade langchain to 0.0.247 or later.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2023-36258 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-36258 exists.
Other vulnerabilities in n/a
- CVE-2023-39631 Langchain vulnerable to arbitrary code execution via the evaluate function in the numexpr library
- CVE-2023-36281 langchain vulnerable to arbitrary code execution
- CVE-2023-38860 LangChain vulnerable to arbitrary code execution
- CVE-2023-38896 LangChain vulnerable to arbitrary code execution
- CVE-2023-39659 LangChain vulnerable to arbitrary code execution
Sources
Also known as GHSA-2qmj-7962-cjq8, PYSEC-2023-98.