High severity · published Aug 18, 2026
CVE-2026-75924
Managed-serviceaccount: managed-serviceaccount: hub addon-manager clusterrole grants cluster-wide secret read/write and csr approval
8.7
CVSS
0.3%
EPSS
No
On KEV
Description
A flaw was found in managed-serviceaccount. A compromised addon-manager pod, due to its ClusterRole granting excessive permissions, can read any secret across all namespaces. Additionally, it can approve arbitrary Certificate Signing Requests (CSRs), which could lead to information disclosure and privilege escalation within the cluster.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 18% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ME
Multicluster Engine for Kubernetes · Red Hat
All versions, or not specified · source: vendor
Affected product
ME
Multicluster Engine for Kubernetes
Red Hat
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-75924
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-75924
access.redhat.com
https://access.redhat.com/security/cve/CVE-2026-75924
bugzilla.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2515720
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