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Vulnerability record · CVE-2026-54661 · published 29 July 2026

CVE-2026-54661: Injection vulnerability

swagger-typescript-api generates API clients for Fetch or Axios from an OpenAPI Specification. Prior to 13.12.2, templates/base/http-clients/axios-http-client.ejs interpolates servers[0].url from src/code-gen-process.ts into the HttpClient constructor without escaping, allowing an attacker-controlled OpenAPI spec to inject code that executes when new HttpClient() or new Api() is constructed. This issue is fixed in version 13.12.2.

8.3 CVSS 3.1 High EPSS 0.48% · top 61.3% CWE-74 · InjectionCWE-94 · Code injection Deferred
8.3CVSS 3.1 base score
0.48%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
30 Jul 2026Last modified by NVD

Description

swagger-typescript-api generates API clients for Fetch or Axios from an OpenAPI Specification. Prior to 13.12.2, templates/base/http-clients/axios-http-client.ejs interpolates servers[0].url from src/code-gen-process.ts into the HttpClient constructor without escaping, allowing an attacker-controlled OpenAPI spec to inject code that executes when new HttpClient() or new Api() is constructed. This issue is fixed in version 13.12.2.

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

References

LinkTags
https://github.com/acacode/swagger-typescript-api/commit/306d59acb8ffbb00f953f807b97234b21f51d9de
https://github.com/acacode/swagger-typescript-api/pull/1779
https://github.com/acacode/swagger-typescript-api/releases/tag/v13.12.2
https://github.com/acacode/swagger-typescript-api/security/advisories/GHSA-38c3-wv3c-v3xj

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Source: NIST National Vulnerability Database (record CVE-2026-54661), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.