CVE-2026-25957
MEDIUM6.5EPSS 0.02%Cube Core is vulnerable to Denial of Service (DoS) via crafted request
Published: 2/10/2026Modified: 2/22/2026
Also known as:GHSA-9vph-2hvm-x66g
Description
### **Impact** It is possible to make the entire Cube API unavailable by submitting a specially crafted request to a Cube API endpoint. ### Affected Versions: `>= 1.1.17` ### Mitigation: Upgrade to a patched version: - 1.5.13 and later (regular release) - 1.4.2 (active [LTS release](https://cube.dev/docs/product/administration/distribution#long-term-support)) ### **References** The issue was reported by our Core engineer, Dmitrii Patsura (@ovr), in our internal Slack and was promptly patched in a recent update.
Affected packages (1)
- npm/@cubejs-backend/server-core>= 1.1.17, < 1.4.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |