CVE-2023-27162 — openapi-generator up to v6

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.

01What is this vulnerability?

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.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-03-31T20:15:07.437
• Last modified: 2026-07-09T01:18:12.627

09References

• gist.github.com — https://gist.github.com/b33t1e/6121210ebd9efd4f693c73b830d8ab08
• github.com — https://github.com/OpenAPITools/openapi-generator
• notes.sjtu.edu.cn — https://notes.sjtu.edu.cn/s/2_yki_2Xq
• gist.github.com — https://gist.github.com/b33t1e/6121210ebd9efd4f693c73b830d8ab08
• github.com — https://github.com/OpenAPITools/openapi-generator
• notes.sjtu.edu.cn — https://notes.sjtu.edu.cn/s/2_yki_2Xq
• gist.github.com — https://gist.github.com/b33t1e/6121210ebd9efd4f693c73b830d8ab08