How severe is CVE-2023-36189?

CVE-2023-36189 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-36189 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-36189?

CVE-2023-36189 affects Langchain. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-36189?

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

When was CVE-2023-36189 published?

CVE-2023-36189 was published on 2023-07-06 and last updated on 2026-06-17.

CVE-2023-36189

CVE-2023-36189 is a high-severity vulnerability in Langchain with a CVSS 3.x base score of 7.5. 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-89.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Langchain
Published: 2023-07-06
Last modified: 2026-06-17

Description

SQL injection vulnerability in langchain before v0.0.247 allows a remote attacker to obtain sensitive information via the SQLDatabaseChain component.

Frequently asked questions

What is CVE-2023-36189?: SQL injection vulnerability in langchain before v0.0.247 allows a remote attacker to obtain sensitive information via the SQLDatabaseChain component.
How severe is CVE-2023-36189?: CVE-2023-36189 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-36189 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-36189?: CVE-2023-36189 affects Langchain. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-36189?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-36189 published?: CVE-2023-36189 was published on 2023-07-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:langchain:langchain:0.0.64:*:*:*:*:*:*:*

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