SSRF in Graphlit Graphlit-Mcp-Server
CVE-2026-19957
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.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (28.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
- Graphlit Graphlit-Mcp-Server — versions 1.0.1
Weakness classification (CWE)
References
- github.com/graphlit/graphlit-mcp-server/ (product)
- github.com/graphlit/graphlit-mcp-server/issues/12 (issue-tracking, exploit)
- vuldb.com/cve/CVE-2026-19957 (third-party-advisory)
- vuldb.com/submit/872778 (third-party-advisory)
- vuldb.com/vuln/391125 (technical-description, vdb-entry)
- vuldb.com/vuln/391125/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-19957?
- CVE-2026-19957 is a medium-severity vulnerability in Graphlit Graphlit-Mcp-Server, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.3/10. Published 2026-08-16.
- How severe is CVE-2026-19957?
- Medium severity. CVSS v3 base score is 6.3 out of 10.