Cube Core is vulnerable to Denial of Service (DoS) via crafted request
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)
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 software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | @cubejs-backend/server-core | >= 1.1.17, < 1.4.2, >= 1.5.0, < 1.5.13 | 1.4.2, 1.5.13 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H- Weakness (CWE)
CWE-755- Platform
- npm
- Package
@cubejs-backend/server-core- Disclosed
- 10.02.2026
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-9vph-2hvm-x66g - CC BY 4.0
Vulnerability history: @cubejs-backend/server-core
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 2
- First → latest
- 02.2026 02.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 1
- Medium 1
Disclosures per year
- 2026: 2
-
Cube Core is vulnerable to Denial of Service (DoS) via crafted request this entry
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