CVE-2026-72526: CWE-441
Source GCVE Database
Not known to be exploited · CVSS 9.9 Critical · fixed in Red Hat Advanced Cluster Management for Kubernetes 2.11 package updates : patch Red Hat Advanced Cluster Management for Kubernetes 2.11 as a priority.
Data as of 10 Nov 2026, 23:24 UTC
- EPSS
- 0.7% chance of exploitation in 30 days – higher than 53% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 2.17.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 12 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 11 Nov 2026.
What to do
Patches and advisories
- access.redhat.com/errata/RHSA-2026:60386 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:60387 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:60388 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:60389 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:60390 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:60391 (opens in a new tab)
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Red HatRed Hat Advanced Cluster Management for Kubernetes 2.11 | Affected– | Fixed in– |
| Red HatRed Hat Advanced Cluster Management for Kubernetes 2.13 | Affected– | Fixed in– |
| Red HatRed Hat Advanced Cluster Management for Kubernetes 2.14 | Affected– | Fixed in– |
| Red HatRed Hat Advanced Cluster Management for Kubernetes 2.15 | Affected– | Fixed in– |
| Red HatRed Hat Advanced Cluster Management for Kubernetes 2.16 | Affected– | Fixed in– |
| Red HatRed Hat Advanced Cluster Management for Kubernetes 2.17 | Affected– | Fixed in– |
AI-suggested
Red Hat has released a security update in Advanced Cluster Management for Kubernetes version 2.17.1 that fixes this vulnerability. Users should apply this update promptly. Ensure all previously released errata relevant to your system are applied before updating. Refer to Red Hat's official advisory and update instructions for detailed guidance.
Description
A critical vulnerability (CVE-2026-72526) exists in the multicloud-integrations component of Red Hat Advanced Cluster Management for Kubernetes. The flaw involves improper validation of the 'ocm-managed-cluster' annotation in Application Custom Resources, allowing a tenant with Application creation permissions on the hub cluster to target arbitrary managed clusters. This can cause ArgoCD on spoke clusters to synchronize attacker-controlled manifests, potentially leading to arbitrary code execution or privilege escalation on those clusters. A security update addressing this issue is available in Red Hat Advanced Cluster Management for Kubernetes version 2.17.1.
References
- nvd.nist.gov/vuln/detail/CVE-2026-72526 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:60386 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:60387 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:60388 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:60389 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:60390 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:60391 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-72526 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2514227 (opens in a new tab)