What is CVE-2026-25957?

CVE-2026-25957 is a medium-severity vulnerability in Cube Cube.js, classified under Improper Handling of Exceptional Conditions. CVSS score: 6.5/10. Published 2026-02-09.

How severe is CVE-2026-25957?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Cube Cube.js

CVE-2026-25957

Cube is a semantic layer for building data applications. From 1.1.17 to before 1.5.13 and 1.4.2, it is possible to make the entire Cube API unavailable by submitting a specially crafted request to a Cube API endpoint. This vulnerability is fixed in 1.5.13 and 1.4.2.

Published 2026-02-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.004 (36.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.001

Affected products

Cube Cube.js
Cube-Js Cube — versions >= 1.1.17, < 1.4.2, >= 1.5.0, < 1.5.13

Weakness classification (CWE)

CWE-755 — Improper Handling of Exceptional Conditions

References

github.com/cube-js/cube/security/advisories/GHSA-9vph-2hvm-x66g (Vendor Advisory)

Frequently asked questions

What is CVE-2026-25957?: CVE-2026-25957 is a medium-severity vulnerability in Cube Cube.js, classified under Improper Handling of Exceptional Conditions. CVSS score: 6.5/10. Published 2026-02-09.
How severe is CVE-2026-25957?: Medium severity. CVSS v3 base score is 6.5 out of 10.