Vulnerability-Lookup

CVE-2026-71846 (GCVE-0-2026-71846)

Vulnerability from cvelistv5 – Published: 2026-08-12 21:46 – Updated: 2026-09-05 17:08

Title

Insights-client: insights-client: clusterrole grants cluster-wide secrets get/list/watch beyond least privilege

Summary

A flaw was found in insights-client. The component's ServiceAccount is bound to a ClusterRole granting cluster-wide secrets get, list, and watch permissions, while the code only requires access to a single specific Secret. This excessive privilege means that a compromise of the insights-client pod or ServiceAccount token would grant an attacker read access to all Secrets across the hub cluster, including managed-cluster kubeconfigs and other sensitive credentials.

Severity

6.5 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-14 17:39 UTC

CWE

CWE-250 - Execution with Unnecessary Privileges

Assigner

redhat CNA under the redhat root

CNA scorecard B 82/100 over 1212 records in the last 180 days details

References

8 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-2026-71846	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2512569	issue-trackingx_refsource_REDHAT

Impacted products

6 products

Vendor	Product	Version
Red Hat	Red Hat Advanced Cluster Management for Kubernetes 2.11	Unaffected: 1787688993 , < * (rpm) cpe:/a:redhat:acm:2.11::el9
Red Hat	Red Hat Advanced Cluster Management for Kubernetes 2.13	Unaffected: 1787259125 , < * (rpm) cpe:/a:redhat:acm:2.13::el9
Red Hat	Red Hat Advanced Cluster Management for Kubernetes 2.14	Unaffected: 1786882244 , < * (rpm) cpe:/a:redhat:acm:2.14::el9
Red Hat	Red Hat Advanced Cluster Management for Kubernetes 2.15	Unaffected: 1787238585 , < * (rpm) cpe:/a:redhat:acm:2.15::el9
Red Hat	Red Hat Advanced Cluster Management for Kubernetes 2.16	Unaffected: 1787184541 , < * (rpm) cpe:/a:redhat:acm:2.16::el9
Red Hat	Red Hat Advanced Cluster Management for Kubernetes 2.17	Unaffected: 1787227689 , < * (rpm) cpe:/a:redhat:acm:2.17::el9

Date Public

2026-08-12 20:00

Show details on NVD website

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            }
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}

FKIE_CVE-2026-71846

Vulnerability from fkie_nvd - Published: 2026-08-12 22:17 - Updated: 2026-10-24 15:10

Severity

6.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Summary

References

URL	Tags
secalert@redhat.com	https://access.redhat.com/errata/RHSA-2026:60386
secalert@redhat.com	https://access.redhat.com/errata/RHSA-2026:60387
secalert@redhat.com	https://access.redhat.com/errata/RHSA-2026:60388
secalert@redhat.com	https://access.redhat.com/errata/RHSA-2026:60389
secalert@redhat.com	https://access.redhat.com/errata/RHSA-2026:60390
secalert@redhat.com	https://access.redhat.com/errata/RHSA-2026:60391
secalert@redhat.com	https://access.redhat.com/security/cve/CVE-2026-71846	Vendor Advisory
secalert@redhat.com	https://bugzilla.redhat.com/show_bug.cgi?id=2512569	Issue Tracking, Vendor Advisory

Impacted products

	Vendor	Product	Version
	redhat	advanced_cluster_management_for_kubernetes	2.0
	redhat	insights-client	-

JSON

To clipboard

{
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          "cpes": [
            "cpe:/a:redhat:acm:2.11::el9"
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    },
    {
      "lang": "es",
      "value": "Se encontr\u00f3 una vulnerabilidad en insights-cliente. La ServiceAccount del componente est\u00e1 vinculada a un ClusterRole que otorga permisos de get, list y watch sobre secretos a nivel de cl\u00faster, mientras que el c\u00f3digo solo requiere acceso a un \u00fanico Secret espec\u00edfico. Este privilegio excesivo significa que un compromiso del pod de insights-cliente o del token de ServiceAccount otorgar\u00eda a un atacante acceso de lectura a todos los Secrets en todo el cl\u00faster central, incluyendo los kubeconfigs de los cl\u00fasteres gestionados y otras credenciales sensibles."
    }
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          "role": "CISA Coordinator",
          "timestamp": "2026-08-14T17:39:14.856121Z",
          "version": "2.0.3"
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  "vulnStatus": "Modified",
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}

GHSA-WFWR-QQXC-6CCH

Vulnerability from github – Published: 2026-08-13 00:31 – Updated: 2026-08-27 06:31

Details

Severity

6.5 (Medium)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-71846"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-250"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-12T22:17:16Z",
    "severity": "MODERATE"
  },
  "details": "A flaw was found in insights-client. The component\u0027s ServiceAccount is bound to a ClusterRole granting cluster-wide secrets get, list, and watch permissions, while the code only requires access to a single specific Secret. This excessive privilege means that a compromise of the insights-client pod or ServiceAccount token would grant an attacker read access to all Secrets across the hub cluster, including managed-cluster kubeconfigs and other sensitive credentials.",
  "id": "GHSA-wfwr-qqxc-6cch",
  "modified": "2026-08-27T06:31:23Z",
  "published": "2026-08-13T00:31:26Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-71846"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2026:60386"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2026:60387"
    },
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      "type": "WEB",
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    },
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    },
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    },
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      "type": "WEB",
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    },
    {
      "type": "WEB",
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    },
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      "type": "WEB",
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    }
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      "type": "CVSS_V3"
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RHSA-2026:60386

Vulnerability from csaf_redhat - Published: 2026-08-26 20:08 - Updated: 2026-11-13 16:44

Summary

Red Hat Security Advisory: Red Hat Advanced Cluster Management for Kubernetes v2.17.1 security update

Severity

Important

Scope

62 vulnerabilities in this advisory, including CVE-2026-71846.

CVE-2026-71846

6.5 (Medium)


                
                  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Fixed: 4 products Known not affected: 180 products

https://access.redhat.com/errata/RHSA-2026:60386

Open the full advisory

RHSA-2026:60387

Vulnerability from csaf_redhat - Published: 2026-08-26 20:10 - Updated: 2026-11-13 16:44

Summary

Red Hat Security Advisory: Red Hat Advanced Cluster Management for Kubernetes v2.11.11 security update

Severity

Important

Scope

55 vulnerabilities in this advisory, including CVE-2026-71846.

CVE-2026-71846

6.5 (Medium)


                
                  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Fixed: 4 products Known not affected: 160 products

https://access.redhat.com/errata/RHSA-2026:60387

Open the full advisory

RHSA-2026:60388

Vulnerability from csaf_redhat - Published: 2026-08-26 20:11 - Updated: 2026-11-13 16:44

Summary

Red Hat Security Advisory: Red Hat Advanced Cluster Management for Kubernetes v2.14.4 security update

Severity

Important

Scope

60 vulnerabilities in this advisory, including CVE-2026-71846.

CVE-2026-71846

6.5 (Medium)


                
                  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Fixed: 4 products Known not affected: 172 products

https://access.redhat.com/errata/RHSA-2026:60388

Open the full advisory

RHSA-2026:60389

Vulnerability from csaf_redhat - Published: 2026-08-26 20:11 - Updated: 2026-11-13 14:59

Summary

Red Hat Security Advisory: Red Hat Advanced Cluster Management for Kubernetes v2.15.6 security update

Severity

Important

Scope

40 vulnerabilities in this advisory, including CVE-2026-71846.

CVE-2026-71846

6.5 (Medium)


                
                  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Fixed: 4 products Known not affected: 180 products

https://access.redhat.com/errata/RHSA-2026:60389

Open the full advisory

RHSA-2026:60390

Vulnerability from csaf_redhat - Published: 2026-08-26 20:11 - Updated: 2026-11-13 14:59

Summary

Red Hat Security Advisory: Red Hat Advanced Cluster Management for Kubernetes v2.13.11 security update

Severity

Important

Scope

56 vulnerabilities in this advisory, including CVE-2026-71846.

CVE-2026-71846

6.5 (Medium)


                
                  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Fixed: 4 products Known not affected: 172 products

https://access.redhat.com/errata/RHSA-2026:60390

Open the full advisory

RHSA-2026:60391

Vulnerability from csaf_redhat - Published: 2026-08-26 20:11 - Updated: 2026-11-13 14:59

Summary

Red Hat Security Advisory: Red Hat Advanced Cluster Management for Kubernetes v2.16.4 security update

Severity

Important

Scope

41 vulnerabilities in this advisory, including CVE-2026-71846.

CVE-2026-71846

6.5 (Medium)


                
                  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Fixed: 4 products Known not affected: 184 products

https://access.redhat.com/errata/RHSA-2026:60391

Open the full advisory

Workarounds

CNA · redhat

Restrict the insights-client ClusterRole to the minimum required permissions. Replace the cluster-wide secrets get/list/watch with a namespaced Role granting get access only to the specific Secret openshift-config/pull-secret in the openshift-config namespace.

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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

Publication & reservation Sightings KEV catalogs Other timestamps

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.

Action not permitted

CVE-2026-71846 (GCVE-0-2026-71846)

Workarounds

Tags

Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour