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CVE-2026-64927 (GCVE-0-2026-64927)

Vulnerability from cvelistv5 – Published: 2026-08-12 01:12 – Updated: 2026-09-05 17:07
VLAI
Title
Multicloud-operators-channel: multicloud-operators-channel: cross-namespace secret and configmap mutation via spec.secretref.namespace confused deputy
Summary
A flaw was found in the multicloud-operators-channel component. This vulnerability allows a user with specific permissions to manipulate how the system handles sensitive information, known as Secrets, across different parts of the system (namespaces). By exploiting this, an attacker can modify these Secrets in unauthorized areas. This could lead to unauthorized access to information or elevated privileges within the system.
Severity
6.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-12 15:08 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
URL Tags
https://access.redhat.com/errata/RHSA-2026:60386 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:60387 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:60388 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:60389 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:60390 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:60391 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2026-64927 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2514229 issue-trackingx_refsource_REDHAT
Impacted products
Vendor Product Version CPE status
Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.11 Unaffected: 1787260663 , < * (rpm)
    cpe:/a:redhat:acm:2.11::el9
Create a notification for this product.
Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.13 Unaffected: 1787259310 , < * (rpm)
    cpe:/a:redhat:acm:2.13::el9
Create a notification for this product.
Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.14 Unaffected: 1787172840 , < * (rpm)
    cpe:/a:redhat:acm:2.14::el9
Create a notification for this product.
Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.15 Unaffected: 1787238600 , < * (rpm)
    cpe:/a:redhat:acm:2.15::el9
Create a notification for this product.
Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.16 Unaffected: 1787242105 , < * (rpm)
    cpe:/a:redhat:acm:2.16::el9
Create a notification for this product.
Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.17 Unaffected: 1787242099 , < * (rpm)
    cpe:/a:redhat:acm:2.17::el9
Create a notification for this product.
Date Public
2026-08-11 00:00
Show details on NVD website
To clipboard 

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  }
}



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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.