Vulnerability · Published Aug 14, 2026 · Assigned by VulDB
CVE-2026-19765eyaushev swagger-testcase-mcp fetch_swagger swagger-parser.ts loadSource server-side request forgery
Medium 6.3
In plain English
A medium-severity server-side request forgery in swagger-testcase-mcp from eyaushev. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities).
Official description
A security flaw has been discovered in eyaushev swagger-testcase-mcp 5babb27c951fb404bc2b25ec80593616e49054e5. This vulnerability affects the function loadSource of the file src/utils/swagger-parser.ts of the component fetch_swagger. Performing a manipulation results in server-side request forgery. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. This product adopts a rolling release strategy to maintain continuous delivery. Therefore, version details for affected or updated releases cannot be specified. The project was informed of the problem early through an issue report but has not responded yet.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| eyaushev | swagger-testcase-mcp | 5babb27c951fb404bc2b25ec80593616e49054e5 |
Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-389668 | eyaushev swagger-testcase-mcp fetch_swagger swagger-parser.ts loadSource server-side request forgery vdb-entry, technical-description
- VDB-389668 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-19765 | CVE Analysis and Report third-party-advisory
- Submit #868988 | eyaushev swagger-testcase-mcp Latest Server-Side Request Forgery third-party-advisory
- https://github.com/eyaushev/swagger-testcase-mcp/issues/1 exploit, issue-tracking
- https://github.com/eyaushev/swagger-testcase-mcp/ product