Remote code execution in graphql-ruby

Published: 2025-03-13

Risk	High
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2025-27407
CWE-ID	CWE-94
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	graphql-ruby Web applications / Modules and components for CMS
Vendor	Robert Mosolgo

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Code Injection

EUVDB-ID: #VU105689

Risk: High

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2025-27407

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation when loading a malicious schema definition in "GraphQL::Schema.from_introspection". A remote attacker can execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

graphql-ruby: 1.11.6 - 2.4.12

CPE2.3

External links

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.