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Vulnerability record · CVE-2026-3118 · published 25 February 2026

CVE-2026-3118: Redhat developer hub sql injection vulnerability

Redhat · Developer Hub

A security flaw was identified in the Orchestrator Plugin of Red Hat Developer Hub (Backstage). The issue occurs due to insufficient input validation in GraphQL query handling. An authenticated user can inject specially crafted input into API requests, which disrupts backend query processing. This results in the entire Backstage application crashing and restarting, leading to a platform-wide Denial of Service (DoS). As a result, legitimate users temporarily lose access to the platform.

6.5 CVSS 3.1 Medium EPSS 0.62% · top 52.4% CWE-89 · SQL injection
6.5CVSS 3.1 base score
0.62%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

A security flaw was identified in the Orchestrator Plugin of Red Hat Developer Hub (Backstage). The issue occurs due to insufficient input validation in GraphQL query handling. An authenticated user can inject specially crafted input into API requests, which disrupts backend query processing. This results in the entire Backstage application crashing and restarting, leading to a platform-wide Denial of Service (DoS). As a result, legitimate users temporarily lose access to the platform.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://access.redhat.com/errata/RHSA-2026:13826
https://access.redhat.com/errata/RHSA-2026:9742
https://access.redhat.com/security/cve/CVE-2026-3118 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2442273 Issue TrackingVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-3118), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.