How severe is CVE-2023-27162?

CVE-2023-27162 has a CVSS 3.x base score of 9.1, 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 none.

Is CVE-2023-27162 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-27162?

CVE-2023-27162 affects Openapi-generator Openapi Generator. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-27162?

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-2023-27162 published?

CVE-2023-27162 was published on 2023-03-31 and last updated on 2026-07-09.

CVE-2023-27162

CVE-2023-27162 is a critical-severity vulnerability in Openapi-generator Openapi Generator with a CVSS 3.x base score of 9.1. 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-918.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Openapi-generator Openapi Generator
Published: 2023-03-31
Last modified: 2026-07-09

Description

openapi-generator up to v6.4.0 was discovered to contain a Server-Side Request Forgery (SSRF) via the component /api/gen/clients/{language}. This vulnerability allows attackers to access network resources and sensitive information via a crafted API request.

Frequently asked questions

What is CVE-2023-27162?: openapi-generator up to v6.4.0 was discovered to contain a Server-Side Request Forgery (SSRF) via the component /api/gen/clients/{language}. This vulnerability allows attackers to access network resources and sensitive information via a crafted API request.
How severe is CVE-2023-27162?: CVE-2023-27162 has a CVSS 3.x base score of 9.1, 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 none.
Is CVE-2023-27162 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-27162?: CVE-2023-27162 affects Openapi-generator Openapi Generator. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-27162?: 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-2023-27162 published?: CVE-2023-27162 was published on 2023-03-31 and last updated on 2026-07-09.

References

Affected products (1)

cpe:2.3:a:openapi-generator:openapi_generator:*:*:*:*:*:*:*:*

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