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CVE-2025-2786— Tempo-operator: serviceaccount token exposure leading to token and subject access reviews in openshift tempo operator

Quick assessment

Affected
CVE-2025-2786
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Grafana Tempo operator是Grafana开源的一个 Grafana Tempo Kubernetes 操作程序。 Grafana Tempo operator存在信息泄露漏洞，该漏洞源于创建ServiceAccount时可能泄露其他用户权限信息。

CVSS 4.3 · Medium EPSS 0.36% · P30

Affected Version Matrix 8

VendorProduct Version RangeStatus
None None < 0.15.3 affected
Red Hat Red Hat OpenShift distributed tracing 3 any affected
any affected
any affected
any affected
any affected
Red Hat Red Hat OpenShift distributed tracing 3.5.3 rhosdt-3.5-1743162265< * unaffected
rhosdt-3.5-1744028971< * unaffected

I. Basic Information for CVE-2025-2786

Vulnerability Information
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Vulnerability Title
Tempo-operator: serviceaccount token exposure leading to token and subject access reviews in openshift tempo operator
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in Tempo Operator, where it creates a ServiceAccount, ClusterRole, and ClusterRoleBinding when a user deploys a TempoStack or TempoMonolithic instance. This flaw allows a user with full access to their namespace to extract the ServiceAccount token and use it to submit TokenReview and SubjectAccessReview requests, potentially revealing information about other users' permissions. While this does not allow privilege escalation or impersonation, it exposes information that could aid in gathering information for further attacks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Grafana Tempo operator 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Grafana Tempo operator是Grafana开源的一个 Grafana Tempo Kubernetes 操作程序。 Grafana Tempo operator存在信息泄露漏洞，该漏洞源于创建ServiceAccount时可能泄露其他用户权限信息。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- - 0 ~ 0.15.3 -
Red Hat Red Hat OpenShift distributed tracing 3.5.3 rhosdt-3.5-1743162265 ~ * cpe:/a:redhat:openshift_distributed_tracing:3.5::el8
Red Hat Red Hat OpenShift distributed tracing 3.5.3 rhosdt-3.5-1744028971 ~ * cpe:/a:redhat:openshift_distributed_tracing:3.5::el8
Red Hat Red Hat OpenShift distributed tracing 3 - cpe:/a:redhat:openshift_distributed_tracing:3
Red Hat Red Hat OpenShift distributed tracing 3 - cpe:/a:redhat:openshift_distributed_tracing:3
Red Hat Red Hat OpenShift distributed tracing 3 - cpe:/a:redhat:openshift_distributed_tracing:3
Red Hat Red Hat OpenShift distributed tracing 3 - cpe:/a:redhat:openshift_distributed_tracing:3
Red Hat Red Hat OpenShift distributed tracing 3 - cpe:/a:redhat:openshift_distributed_tracing:3

II. Public POCs for CVE-2025-2786

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III. Intelligence Information for CVE-2025-2786

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Patches & Fixes for CVE-2025-2786 (1)

Vendor Advisories for CVE-2025-2786 (3)

IV. Related Vulnerabilities

Same weakness: CWE-200

V. Comments for CVE-2025-2786

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