How severe is CVE-2023-32786?

CVE-2023-32786 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-2023-32786 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-32786?

CVE-2023-32786 affects Langchain. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-32786?

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-2023-32786 published?

CVE-2023-32786 was published on 2023-10-20 and last updated on 2026-06-17.

CVE-2023-32786

CVE-2023-32786 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-74.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-74
Affected product: Langchain
Published: 2023-10-20
Last modified: 2026-06-17

Description

In Langchain through 0.0.155, prompt injection allows an attacker to force the service to retrieve data from an arbitrary URL, essentially providing SSRF and potentially injecting content into downstream tasks.

Frequently asked questions

What is CVE-2023-32786?: In Langchain through 0.0.155, prompt injection allows an attacker to force the service to retrieve data from an arbitrary URL, essentially providing SSRF and potentially injecting content into downstream tasks.
How severe is CVE-2023-32786?: CVE-2023-32786 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-2023-32786 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-32786?: CVE-2023-32786 affects Langchain. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-32786?: 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-2023-32786 published?: CVE-2023-32786 was published on 2023-10-20 and last updated on 2026-06-17.

References

https://gist.github.com/rharang/d265f46fc3161b31ac2e81db44d662e1

Affected products (1)

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

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