A flaw was found in multicloud-integrations, a component of Red Hat Advanced Cluster Management (RHACM). (CVE-2026-70398)
A critical vulnerability (CVE-2026-70398) exists in the multicloud-integrations component of Red Hat Advanced Cluster Management (RHACM). It allows an authenticated tenant user to manipulate the GitOpsCluster controller to redirect sensitive spoke cluster bearer tokens to a namespace they control. This unauthorized token access can lead to disclosure of critical information and bypass security policies within ArgoCD AppProjects. No official fix or mitigation currently meets Red Hat's criteria for deployment and stability.
AI Analysis
Technical Summary
CVE-2026-70398 is a critical security flaw in the multicloud-integrations component of Red Hat Advanced Cluster Management (RHACM). The vulnerability arises because the GitOpsCluster controller writes spoke cluster bearer tokens to a namespace chosen by an authenticated tenant user, bypassing existing security guards. This allows the tenant to exfiltrate sensitive tokens, leading to privilege escalation and circumvention of ArgoCD AppProject constraints. The issue is classified under CWE-441 (Unintended Proxy or Intermediary, 'Confused Deputy'). Red Hat has not yet provided an official fix or mitigation that meets their standards for ease of use, applicability, and stability.
Potential Impact
An authenticated tenant user can redirect sensitive spoke cluster bearer tokens to a namespace they control, resulting in unauthorized disclosure of critical information. This leads to privilege escalation and bypass of security policies within ArgoCD AppProjects. The vulnerability has a CVSS v3.1 score of 9.6 (critical), with high confidentiality and integrity impacts, low attack complexity, and no user interaction required.
Mitigation Recommendations
Currently, Red Hat has not provided an official fix or mitigation that meets their product security criteria for this vulnerability. Users should monitor Red Hat advisories for updates. Until a fix is available, no recommended mitigations are provided by Red Hat.
A flaw was found in multicloud-integrations, a component of Red Hat Advanced Cluster Management (RHACM). (CVE-2026-70398)
Description
A critical vulnerability (CVE-2026-70398) exists in the multicloud-integrations component of Red Hat Advanced Cluster Management (RHACM). It allows an authenticated tenant user to manipulate the GitOpsCluster controller to redirect sensitive spoke cluster bearer tokens to a namespace they control. This unauthorized token access can lead to disclosure of critical information and bypass security policies within ArgoCD AppProjects. No official fix or mitigation currently meets Red Hat's criteria for deployment and stability.
CVSS v3.1
Score 9.6critical
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-70398 is a critical security flaw in the multicloud-integrations component of Red Hat Advanced Cluster Management (RHACM). The vulnerability arises because the GitOpsCluster controller writes spoke cluster bearer tokens to a namespace chosen by an authenticated tenant user, bypassing existing security guards. This allows the tenant to exfiltrate sensitive tokens, leading to privilege escalation and circumvention of ArgoCD AppProject constraints. The issue is classified under CWE-441 (Unintended Proxy or Intermediary, 'Confused Deputy'). Red Hat has not yet provided an official fix or mitigation that meets their standards for ease of use, applicability, and stability.
Potential Impact
An authenticated tenant user can redirect sensitive spoke cluster bearer tokens to a namespace they control, resulting in unauthorized disclosure of critical information. This leads to privilege escalation and bypass of security policies within ArgoCD AppProjects. The vulnerability has a CVSS v3.1 score of 9.6 (critical), with high confidentiality and integrity impacts, low attack complexity, and no user interaction required.
Mitigation Recommendations
Currently, Red Hat has not provided an official fix or mitigation that meets their product security criteria for this vulnerability. Users should monitor Red Hat advisories for updates. Until a fix is available, no recommended mitigations are provided by Red Hat.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-cjw2-r57r-pwvf
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-70398"]
- Ecosystems
- []
- Database Specific Severity
- CRITICAL
- Cvss Version
- 3.1
Threat ID: 6a7c9b67bf8831d539cdf2c0
Added to database: 08/12/2026, 16:12:23 UTC
Last enriched: 08/12/2026, 17:13:46 UTC
Last updated: 08/13/2026, 02:41:00 UTC
Views: 3
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.