Server-Side Request Forgery Vulnerability in eyaushev swagger-testcase-mcp
CVE-2026-19765

5.3MEDIUM

Key Information:

Vendor

Eyaushev

Status
Swagger-testcase-mcp
Vendor
CVE Published:
14 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-19765?

A security flaw has been identified in eyaushev swagger-testcase-mcp, specifically impacting the loadSource function within the swagger-parser.ts file. This vulnerability allows remote attackers to manipulate requests and exploit the application for server-side request forgery. The issue was reported to the project maintainers, who have yet to address the reported fault. Given the nature of the exploit, it poses significant risks to the security of the application and its users.

Affected Version(s)

swagger-testcase-mcp 5babb27c951fb404bc2b25ec80593616e49054e5

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-19765 - Proof of Concept

References

https://vuldb.com/vuln/389668
vdb-entrytechnical-description
https://vuldb.com/vuln/389668/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-19765
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

skywings (VulDB User)
VulDB CNA Team
.