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VULNERABILITIES

CVE-2026-73268 Details

Description

A flaw was found in the cluster-curator-controller component of multicluster engine (MCE). A tenant with create or update permissions on ClusterCurator resources can inject an arbitrary Job specification. This is possible because the CreateJob() function does not validate user-controlled input when unmarshaling the spec.install.overrideJob raw extension. Successful exploitation allows the injected Job to run with the controller's elevated privileges, leading to arbitrary code execution and privilege escalation, potentially accessing cluster-wide secrets.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:9.9 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://access.redhat.com/errata/RHSA-2026:59556 [email protected]
https://access.redhat.com/errata/RHSA-2026:59557 [email protected]
https://access.redhat.com/errata/RHSA-2026:59558 [email protected]
https://access.redhat.com/errata/RHSA-2026:59559 [email protected]
https://access.redhat.com/errata/RHSA-2026:59579 [email protected]

see all 8 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-94Improper Control of Generation of Code ('Code Injection')[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

9 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-73268
NVD Published Date:
Aug 12, 2026
NVD Last Modified:
Sep 8, 2026
Source:
[email protected]