CVE-2023-50709
Denial of service attack on the cube-api endpoint
Cube is a semantic layer for building data applications. Prior to version 0.34.34, it is possible to make the entire Cube API unavailable by submitting a specially crafted request to a Cube API endpoint. The issue has been patched in v0.34.34 and it's recommended that all users exposing Cube APIs to the public internet upgrade to the latest version to prevent service disruption.
There are currently no workaround for older versions, and the recommendation is to upgrade.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Denial of service attack on the cube-api endpoint
Cube is a semantic layer for building data applications. Prior to version 0.34.34, it is possible to make the entire Cube API unavailable by submitting a specially crafted request to a Cube API endpoint. The issue has been patched in v0.34.34 and it's recommended that all users exposing Cube APIs to the public internet upgrade to the latest version to prevent service disruption.
There are currently no workaround for older versions, and the recommendation is to upgrade.
- Record
CVE-2023-50709- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2023-3170
Cube is a semantic layer for building data applications. Prior to version 0.34.34, it is possible to make the entire Cube API unavailable by submitting a specially crafted request to a Cube API endpoint. The issue has been patched in v0.34.34 and it's recommended that all users exposing Cube APIs to the public internet upgrade to the latest version to prevent service disruption.
There are currently no workaround for older versions, and the recommendation is to upgrade.
- Record
EUVD-2023-3170- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9759-3276-g2pm
Cube API denial of service attack
Impact
It is possible to make the entire Cube API unavailable by submitting a specially crafted request to a Cube API endpoint.
Patches
The issue has been patched in the v0.34.34 and it's recommended that all users exposing Cube APIs to the public internet upgrade to the latest version to prevent service disruption.
Workarounds
There are currently no workaround for older versions, and the recommendation is to upgrade.
References
The issue was reported by y0d3n in our Community Slack and has been promptly patched in the recent update.
- Record
GHSA-9759-3276-g2pm- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
NVD
Cube is a semantic layer for building data applications. Prior to version 0.34.34, it is possible to make the entire Cube API unavailable by submitting a specially crafted request to a Cube API endpoint. The issue has been patched in v0.34.34 and it's recommended that all users exposing Cube APIs to the public internet upgrade to the latest version to prevent service disruption.
There are currently no workaround for older versions, and the recommendation is to upgrade.
- Record
CVE-2023-50709- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
OSV
Denial of service attack on the cube-api endpoint
Cube is a semantic layer for building data applications. Prior to version 0.34.34, it is possible to make the entire Cube API unavailable by submitting a specially crafted request to a Cube API endpoint. The issue has been patched in v0.34.34 and it's recommended that all users exposing Cube APIs to the public internet upgrade to the latest version to prevent service disruption.
There are currently no workaround for older versions, and the recommendation is to upgrade.
- Record
CVE-2023-50709- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
OSVGHSA-9759-3276-g2pm
Cube API denial of service attack
Impact
It is possible to make the entire Cube API unavailable by submitting a specially crafted request to a Cube API endpoint.
Patches
The issue has been patched in the v0.34.34 and it's recommended that all users exposing Cube APIs to the public internet upgrade to the latest version to prevent service disruption.
Workarounds
There are currently no workaround for older versions, and the recommendation is to upgrade.
References
The issue was reported by y0d3n in our Community Slack and has been promptly patched in the recent update.
- Record
GHSA-9759-3276-g2pm- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
@cubejs-backend/api-gatewaynpm |
before 0.34.34 | 0.34.34 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-50709 is a medium vulnerability (CVSS 6.5) in Cube-js Cube, published December 13, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.72%, the 54th percentile. Fixed in @cubejs-backend/api-gateway 0.34.34.