Vulnerability-Lookup

CVE-2025-2843 (GCVE-0-2025-2843)

Vulnerability from cvelistv5 – Published: 2025-11-12 16:36 – Updated: 2026-09-21 16:03

Title

Observability-operator: observability operator privilege escalation

Summary

A flaw was found in the Observability Operator. The Operator creates a ServiceAccount with *ClusterRole* upon deployment of the *Namespace-Scoped* Custom Resource MonitorStack. This issue allows an adversarial Kubernetes Account with only namespaced-level roles, for example, a tenant controlling a namespace, to create a MonitorStack in the authorized namespace and then elevate permission to the cluster level by impersonating the ServiceAccount created by the Operator, resulting in privilege escalation and other issues.

Severity

8.8 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-11-12 20:47 UTC

CWE

CWE-266 - Incorrect Privilege Assignment

Assigner

redhat CNA under the redhat root

CNA scorecard B 82/100 over 1062 records in the last 180 days details

References

3 references

URL	Tags
https://access.redhat.com/errata/RHSA-2025:21146	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2025-2843	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2355222	issue-trackingx_refsource_REDHAT

Impacted products

2 products

Vendor	Product	Version	CPE status
rhobs	observability-operator	Affected: 0 , < 1.3.0 (semver)	guessed
Red Hat	Cluster Observability Operator 1.3.1	Unaffected: 1.3.0-1762825457 , < * (rpm) cpe:/a:redhat:cluster_observability_operator:1.3::el9

Date Public

2025-06-12 20:04

Credits

Red Hat would like to thank Andong Chen (Lab for Internet and Security Technology) and Zhaoxuan Isaac Jin (Lab for Internet and Security Technology) for reporting this issue.

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2025-2843

Vulnerability from fkie_nvd - Published: 2025-11-12 17:15 - Updated: 2026-10-18 20:10

Severity

8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Summary

References

	URL	Tags
	secalert@redhat.com	https://access.redhat.com/errata/RHSA-2025:21146
	secalert@redhat.com	https://access.redhat.com/security/cve/CVE-2025-2843
	secalert@redhat.com	https://bugzilla.redhat.com/show_bug.cgi?id=2355222

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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    ]
  },
  "published": "2025-11-12T17:15:37.550",
  "references": [
    {
      "source": "secalert@redhat.com",
      "url": "https://access.redhat.com/errata/RHSA-2025:21146"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://access.redhat.com/security/cve/CVE-2025-2843"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2355222"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-266"
        }
      ],
      "source": "secalert@redhat.com",
      "type": "Secondary"
    }
  ]
}

GHSA-MJ6P-P843-X5WC

Vulnerability from github – Published: 2025-11-12 18:31 – Updated: 2025-11-14 21:39

Summary

Observability Operator is vulnerable to Incorrect Privilege Assignment through its Custom Resource MonitorStack

Details

A flaw was found in the Observability Operator. The Operator creates a ServiceAccount with ClusterRole upon deployment of the Namespace-Scoped Custom Resource MonitorStack. This issue allows an adversarial Kubernetes Account with only namespaced-level roles, for example, a tenant controlling a namespace, to create a MonitorStack in the authorized namespace and then elevate permission to the cluster level by impersonating the ServiceAccount created by the Operator, resulting in privilege escalation and other issues.

Severity

8.8 (High)


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

Show details on source website

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/rhobs/observability-operator"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.3.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-2843"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-266"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-11-14T21:39:19Z",
    "nvd_published_at": "2025-11-12T17:15:37Z",
    "severity": "HIGH"
  },
  "details": "A flaw was found in the Observability Operator. The Operator creates a ServiceAccount with *ClusterRole* upon deployment of the *Namespace-Scoped* Custom Resource MonitorStack. This issue allows an adversarial Kubernetes Account with only namespaced-level roles, for example, a tenant controlling a namespace, to create a MonitorStack in the authorized namespace and then elevate permission to the cluster level by impersonating the ServiceAccount created by the Operator, resulting in privilege escalation and other issues.",
  "id": "GHSA-mj6p-p843-x5wc",
  "modified": "2025-11-14T21:39:19Z",
  "published": "2025-11-12T18:31:25Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-2843"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rhobs/observability-operator/commit/98b927fab755decd6e030ac6af5c005879bab020"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2025:21146"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2025-2843"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2355222"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/rhobs/observability-operator"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rhobs/observability-operator/releases/tag/v1.3.0"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Observability Operator is vulnerable to Incorrect Privilege Assignment through its Custom Resource MonitorStack"
}

RHSA-2025:21146

Vulnerability from csaf_redhat - Published: 2025-11-12 16:21 - Updated: 2026-10-27 04:24

Summary

Red Hat Security Advisory: Cluster Observability Operator 1.3.0

Severity

Important

Scope

2 vulnerabilities in this advisory, including CVE-2025-2843.

CVE-2025-2843

8.8 (High)


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

Fixed: 4 products Known not affected: 77 products

https://access.redhat.com/errata/RHSA-2025:21146

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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.

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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.
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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-2025-2843 (GCVE-0-2025-2843)

FKIE_CVE-2025-2843

GHSA-MJ6P-P843-X5WC

RHSA-2025:21146

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