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

Severity: medium (CVSS 6.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-16 · updated 2026-08-20
Weakness: CWE-918

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

graphlit-mcp-server: 1.0.1

References

https://github.com/graphlit/graphlit-mcp-server/
https://github.com/graphlit/graphlit-mcp-server/issues/12
https://vuldb.com/cve/CVE-2026-19957
https://vuldb.com/submit/872778
https://vuldb.com/vuln/391125
https://vuldb.com/vuln/391125/cti

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