CVE-2026-25958
Cube Core is vulnerable to privilege escalation via a specially crafted request
Description
### **Impact** It is possible to make a specially crafted request with a valid API token that leads to privilege escalation. ### Affected Versions: `≥= 0.27.19` ### 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)) - 1.0.14 (end-of-life 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.
How to fix CVE-2026-25958
To remediate CVE-2026-25958, upgrade the affected package to a fixed version below.
- —upgrade to 1.0.14 or later
Is CVE-2026-25958 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 0.27.19, < 1.0.14
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.7 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N |