Detections
Analytics

SCA: security update for github.com/kcp-dev/kcp (GHSA-3j3q-wp9x-585p)

critical Tenable Cloud Security Plugin ID 440059

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - kcp is a Kubernetes-like control plane for form-factors and use-cases beyond Kubernetes and container
 workloads. Prior to 0.30.3 and 0.29.3, the cache server is directly exposed by the root shard and has no
 authentication or authorization in place. This allows anyone who can access the root shard to read and
 write to the cache server. This vulnerability is fixed in 0.30.3 and 0.29.3. (CVE-2026-39429)

Solution

Update the github.com/kcp-dev/kcp library and its related packages to version 0.29.3 or later.

See Also

https://github.com/advisories/GHSA-3j3q-wp9x-585p

Plugin Details

Severity: Critical

ID: 440059

Version: Revision 1.7

Type: Local

Family: SCA Checks

Published: 4/8/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.63

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:N

CVSS Score Source: CVE-2026-39429

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 8.2

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/8/2026

Vulnerability Publication Date: 4/8/2026

Reference Information

CVE: CVE-2026-39429