How severe is CVE-2024-27444?

CVE-2024-27444 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-2024-27444 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-27444?

CVE-2024-27444 affects Langchain Langchain-experimental. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-27444?

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.

Does CVE-2024-27444 have an EU (EUVD) identifier?

Yes. CVE-2024-27444 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0729.

When was CVE-2024-27444 published?

CVE-2024-27444 was published on 2024-02-26 and last updated on 2026-06-17.

CVE-2024-27444

CVE-2024-27444 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. The underlying weakness is classified as CWE-749.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-0729
Weakness: CWE-749
Affected product: Langchain Langchain-experimental
Published: 2024-02-26
Last modified: 2026-06-17

Description

langchain_experimental (aka LangChain Experimental) in LangChain before 0.1.8 allows an attacker to bypass the CVE-2023-44467 fix and execute arbitrary code via the __import__, __subclasses__, __builtins__, __globals__, __getattribute__, __bases__, __mro__, or __base__ attribute in Python code. These are not prohibited by pal_chain/base.py.

Frequently asked questions

What is CVE-2024-27444?: langchain_experimental (aka LangChain Experimental) in LangChain before 0.1.8 allows an attacker to bypass the CVE-2023-44467 fix and execute arbitrary code via the __import__, __subclasses__, __builtins__, __globals__, __getattribute__, __bases__, __mro__, or __base__ attribute in Python code. These are not prohibited by pal_chain/base.py.
How severe is CVE-2024-27444?: CVE-2024-27444 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-2024-27444 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-27444?: CVE-2024-27444 affects Langchain Langchain-experimental. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-27444?: 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.
Does CVE-2024-27444 have an EU (EUVD) identifier?: Yes. CVE-2024-27444 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0729.
When was CVE-2024-27444 published?: CVE-2024-27444 was published on 2024-02-26 and last updated on 2026-06-17.

References

https://github.com/langchain-ai/langchain/commit/de9a6cdf163ed00adaf2e559203ed0a9ca2f1de7

Affected products (1)

cpe:2.3:a:langchain:langchain-experimental:*:*:*:*:*:*:*:*

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