Vulnerability · Published Apr 9, 2026 · Assigned by VulDB

CVE-2026-5832atototo api-lab-mcp HTTP http-server.ts test_http_endpoint server-side request forgery

High 7.3

In plain English

A high-severity server-side request forgery in api-lab-mcp from atototo. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities).

Severity (CVSS 3.1)7.3High

Exploit odds (30 days)0.3%top 77.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A weakness has been identified in atototo api-lab-mcp up to 0.2.1. This affects the function analyze_api_spec/generate_test_scenarios/test_http_endpoint of the file src/mcp/http-server.ts of the component HTTP Interface. This manipulation of the argument source/url causes server-side request forgery. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
npm	api-lab-mcp	no fix listed	GHSA-crh9-3gjh-m6gc

Affected products (as reported)

Vendor	Product	Versions
atototo	api-lab-mcp	0.2.00.2.1

Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References

VDB-356288 | atototo api-lab-mcp HTTP http-server.ts test_http_endpoint server-side request forgery vdb-entry, technical-description
VDB-356288 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #789765 | atototo api-lab-mcp 0.2.1 Server-Side Request Forgery third-party-advisory
https://github.com/atototo/api-lab-mcp/issues/4 issue-tracking
https://github.com/BruceJqs/public_exp/issues/6 exploit, issue-tracking
https://github.com/atototo/api-lab-mcp/ product