CVE-2026-25957: @cubejs backend/server core Denial of Service Vulnerability
MODERATECVE-2026-25957 is a MODERATE (CVSS 6.5) denial of service vulnerability (CWE-755: Improper Handling of Exceptional Conditions) affecting @cubejs backend/server core libraries in the npm ecosystem. The issue involves cube core is vulnerable to denial of service (dos) via crafted request. Remediation is available by upgrading affected packages to version 1.4.2, 1.5.13.
CVE-2026-25957 at a Glance
Security Impact
CVSS: 6.5
The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).
How to Fix CVE-2026-25957
To remediate this vulnerability, upgrade all affected @cubejs backend/server core dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.
npm install @cubejs-backend/server-core@1.4.2npm install @cubejs-backend/server-core@1.5.13Run the following command in your project directory to verify that all resolved dependencies use the patched release:
npm ls @cubejs-backend/server-coreHow to Check if You Are Affected
To determine whether your Node.js application is affected by CVE-2026-25957, inspect your project dependencies using npm:
npm ls @cubejs-backend/server-coreAnalyze the terminal output to locate any version of @cubejs backend/server core in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.4.2), your application is affected.
Note: The npm ls @cubejs-backend/server-core command inspects dependencies declared in your package.json and lockfile; it does not perform automated runtime dynamic scanning.
Technical Details
Vulnerability Mechanism & Technical Analysis
This vulnerability is classified under CWE-755: Improper Handling of Exceptional Conditions, where the product does not handle or incorrectly handles an exceptional condition. In @cubejs backend/server core, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.
Source Advisory Statement
CVE-2026-25957 Affected @cubejs backend/server core Versions
2 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
@cubejs-backend/server-core
|
npm |
≥ 1.1.17
< 1.4.2
|
1.4.2
|
|
@cubejs-backend/server-core
|
npm |
≥ 1.5.0
< 1.5.13
|
1.5.13
|
References
Frequently Asked Questions
What is CVE-2026-25957?
Which @cubejs backend/server core versions are affected?
What version fixes CVE-2026-25957?
Is @cubejs-backend/server-core affected?
What is the CVSS score of CVE-2026-25957?
What CWE is associated with CVE-2026-25957?
How can I check npm dependencies for CVE-2026-25957?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-9vph-2hvm-x66g",
"modified" : "2026-02-10T02:57:38Z",
"published" : "2026-02-10T00:29:13Z",
"aliases" : [ "CVE-2026-25957" ],
"summary" : "Cube Core is vulnerable to Denial of Service (DoS) via crafted request",
"details" : "### **Impact**\n\nIt is possible to make the entire Cube API unavailable by submitting a specially crafted request to a Cube API endpoint.\n\n### Affected Versions:\n\n`>= 1.1.17`\n\n### Mitigation:\n\nUpgrade to a patched version:\n\n- 1.5.13 and later (regular release)\n- 1.4.2 (active [LTS release](https://cube.dev/docs/product/administration/distribution#long-term-support))\n\n### **References**\n\nThe issue was reported by our Core engineer, Dmitrii Patsura (@ovr), in our internal Slack and was promptly patched in a recent update.",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "npm",
"name" : "@cubejs-backend/server-core"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "1.1.17"
}, {
"fixed" : "1.4.2"
} ]
} ]
}, {
"package" : {
"ecosystem" : "npm",
"name" : "@cubejs-backend/server-core"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "1.5.0"
}, {
"fixed" : "1.5.13"
} ]
} ]
} ],
"references" : [ {
"type" : "WEB",
"url" : "https://github.com/cube-js/cube/security/advisories/GHSA-9vph-2hvm-x66g"
}, {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-25957"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/cube-js/cube"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-755" ],
"severity" : "MODERATE",
"github_reviewed" : true,
"github_reviewed_at" : "2026-02-10T00:29:13Z",
"nvd_published_at" : "2026-02-09T23:16:06Z"
}
}