How severe is CVE-2023-44467?

CVE-2023-44467 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-44467 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-44467?

CVE-2023-44467 affects Langchain Langchain Experimental. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-44467?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-44467 published?

CVE-2023-44467 was published on 2023-10-09 and last updated on 2026-06-17.

CVE-2023-44467

CVE-2023-44467 is a critical-severity vulnerability in Langchain Langchain Experimental with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Langchain Langchain Experimental
Published: 2023-10-09
Last modified: 2026-06-17

Description

langchain_experimental (aka LangChain Experimental) in LangChain before 0.0.306 allows an attacker to bypass the CVE-2023-36258 fix and execute arbitrary code via __import__ in Python code, which is not prohibited by pal_chain/base.py.

Frequently asked questions

What is CVE-2023-44467?: langchain_experimental (aka LangChain Experimental) in LangChain before 0.0.306 allows an attacker to bypass the CVE-2023-36258 fix and execute arbitrary code via __import__ in Python code, which is not prohibited by pal_chain/base.py.
How severe is CVE-2023-44467?: CVE-2023-44467 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-44467 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-44467?: CVE-2023-44467 affects Langchain Langchain Experimental. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-44467?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-44467 published?: CVE-2023-44467 was published on 2023-10-09 and last updated on 2026-06-17.

References

https://github.com/langchain-ai/langchain/commit/4c97a10bd0d9385cfee234a63b5bd826a295e483

Affected products (1)

cpe:2.3:a:langchain:langchain_experimental:0.0.14:*:*:*:*:python:*:*