Vulnerability · Published Aug 16, 2026 · Assigned by VulDB

CVE-2026-19957graphlit graphlit-mcp-server ssrf-test Endpoint tools.ts fetch server-side request forgery

Medium 6.3

In plain English

A medium-severity server-side request forgery in graphlit-mcp-server from graphlit. 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).

Severity (CVSS 3.1)6.3Medium

Exploit odds (30 days)0.4%top 69.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability was identified in graphlit graphlit-mcp-server 1.0.1. This affects the function fetch of the file src/tools.ts of the component ssrf-test Endpoint. Such manipulation of the argument url leads to server-side request forgery. The attack may be launched remotely. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.

Affected products (as reported)

Vendor	Product	Versions
graphlit	graphlit-mcp-server	1.0.1

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-391125 | graphlit graphlit-mcp-server ssrf-test Endpoint tools.ts fetch server-side request forgery vdb-entry, technical-description
VDB-391125 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
CVE-2026-19957 | CVE Analysis and Report third-party-advisory
Submit #872778 | graphlit graphlit-mcp-server Latest Server-Side Request Forgery third-party-advisory
https://github.com/graphlit/graphlit-mcp-server/issues/12 exploit, issue-tracking
https://github.com/graphlit/graphlit-mcp-server/ product