CVE-2025-27098: graphql mesh cli Path Traversal

Description

GraphQL Mesh is a GraphQL Federation framework and gateway for both GraphQL Federation and non-GraphQL Federation subgraphs, non-GraphQL services, such as REST and gRPC, and also databases such as MongoDB, MySQL, and PostgreSQL. Missing check vulnerability in the static file handler allows any client to access the files in the server's file system. When `staticFiles` is set in the `serve` settings in the configuration file, the following handler doesn't check if `absolutePath` is still under the directory provided as `staticFiles`. Users have two options to fix vulnerability; 1. Update `@graphql-mesh/cli` to a version higher than `0.82.21`, and if you use `@graphql-mesh/http`, update it to a version higher than `0.3.18` 2. Remove `staticFiles` option from the configuration, and use other solutions to serve static files.

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CVSS v3.1 Score

5.8

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L

Weakness Type (CWE)

CWE-22 Path Traversal

Affected Products

Vendor	Product	Versions
the-guild	graphql_mesh_cli	0.78.0 — 0.82.22
the-guild	graphql_mesh_http	< 0.3.19

References

Advisories & Patches

https://github.com/ardatan/graphql-mesh/security/advisories/GHSA-j2wh-wrv3-4x4g

Exploits

https://github.com/ardatan/graphql-mesh/security/advisories/GHSA-j2wh-wrv3-4x4g

Frequently Asked Questions

What is CVE-2025-27098? +

GraphQL Mesh is a GraphQL Federation framework and gateway for both GraphQL Federation and non-GraphQL Federation subgraphs, non-GraphQL services, such as REST and gRPC, and also databases such as MongoDB, MySQL, and PostgreSQL. Missing check vulnerability in the static file handler allows any client to access the files in the server's file system. When `staticFiles` is set in the `serve` settings in the configuration file, the following handler doesn't check if `absolutePath` is still under the directory provided as `staticFiles`. Users have two options to fix vulnerability; 1. Update `@graphql-mesh/cli` to a version higher than `0.82.21`, and if you use `@graphql-mesh/http`, update it to a version higher than `0.3.18` 2. Remove `staticFiles` option from the configuration, and use other solutions to serve static files. It has a CVSS v3.1 base score of 5.8 (MEDIUM).

How severe is CVE-2025-27098? +

CVE-2025-27098 has a CVSS v3.1 score of 5.8 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-27098? +

CVE-2025-27098 affects products from the-guild, specifically: graphql_mesh_cli, graphql_mesh_http. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-27098? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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