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CVE-2026-25957

Cube Denial of Service (DoS) - An authenticated attacker can crash the server by sending a specially crafted request

MEDIUM
6.5
CVSS Score
Published: February 9, 2026 at 10:39 PM UTC
Updated: June 17, 2026 at 10:25 AM UTC
2 products affected across 2 vendorsCube.jsCube

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Cube.js· Cubenpm
95%
1.1.17 ≤ v < 1.4.21.5.0 ≤ v < 1.5.13
Cube· Cube Js
60%
v < 1.4.2v < 1.5.13
Affected range stops below 1.4.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.5.13, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_CONFIRMVendor Advisory
Source: cverecord
https://github.com/cube-js/cube/security/advisories/GHSA-9vph-2hvm-x66g

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMGitHub_M
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-755

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