SCA: security update for github.com/rancher/fleet (GHSA-864g-863m-vcvq)

high Tenable Self-Hosted Container Security Plugin ID 444255

Description

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

- A vulnerability has been identified in Fleet's agent-side deployer, which did not filter security-
sensitive keys from namespaceLabels in fleet.yaml (or BundleDeployment.spec.options.namespaceLabels) when
applying them to the target namespace. An attacker with git push access to a Fleet-monitored repository
could overwrite Pod Security Standards (PSS) enforcement labels on a target namespace. This allows the
attacker to weaken admission controls and deploy workloads that PSS policies would otherwise block.
(CVE-2026-44938)

Solution

Update the github.com/rancher/fleet library and its related packages to version 0.12.15 or later.

See Also

https://github.com/advisories/GHSA-864g-863m-vcvq

Plugin Details

Severity: High

ID: 444255

Version: Revision 1.3

Type: Local

Family: SCA Checks

Published: 7/2/2026

Updated: 7/8/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.04

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 6.7

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

CVSS Score Source: CVE-2026-44938

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 7/1/2026

Vulnerability Publication Date: 7/1/2026

Reference Information

CVE: CVE-2026-44938

cwe: CWE-522