CVE-2025-2786: Github.com/grafana/tempo operator Grafana Tempo Operator Vulnerable To Vulnerability

MODERATE
Advisory Identifier: GHSA-28gr-56hr-prp6
Share
CVSS 4.3
CWE-200
Published
Advisory Summary

CVE-2025-2786 is a MODERATE (CVSS 4.3) grafana tempo operator vulnerable to vulnerability (CWE-200: Exposure of Sensitive Information to an Unauthorized Actor) affecting Github.com/grafana/tempo operator libraries in the Go ecosystem. The issue involves grafana tempo operator vulnerable to exposure of sensitive information to an unauthorized actor. Remediation is available by upgrading affected packages to version 0.16.0.

CVE-2025-2786 at a Glance

CVE Identifier CVE-2025-2786
GHSA Identifier GHSA-28gr-56hr-prp6
Severity MODERATE
CVSS v3.1 Base Score 4.3
CWE Classification CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
Affected Product Github.com/grafana/tempo operator
Package Ecosystem Go
Published Date
Last Updated

Security Impact

CVSS: 4.3

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required Low (PR:L)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality Low (C:L)
Integrity None (I:N)
Availability None (A:N)

How to Fix CVE-2025-2786

To remediate this vulnerability, upgrade all affected Github.com/grafana/tempo operator dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

github.com/grafana/tempo-operator fixed: 0.16.0 
Upgrade github.com/grafana/tempo-operator to 0.16.0
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for github.com/grafana/tempo-operator

How to Check if You Are Affected

To determine whether your application is affected by CVE-2025-2786, inspect your project dependencies for Github.com/grafana/tempo operator:

inspect dependencies for github.com/grafana/tempo-operator

Analyze the terminal output to locate any version of Github.com/grafana/tempo operator in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 0.16.0), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-200: Exposure of Sensitive Information to an Unauthorized Actor, where the product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. In Github.com/grafana/tempo operator, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

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.

CVE-2025-2786 Affected Github.com/grafana/tempo operator Versions

1 component(s)
Fixed Versions:
0.16.0
Product / Package Ecosystem Affected Versions Fixed Version
github.com/grafana/tempo-operator
golang/github.com/grafana/tempo-operator
Go
< 0.16.0
0.16.0

References

NVD — CVE-2025-2786 NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-2786
Github.com/grafana/tempo operator Source Repository REPOSITORY
https://github.com/grafana/tempo-operator/pull/1145
Security Fix Commit FIX COMMIT
https://github.com/grafana/tempo-operator/commit/0f3f6ad9dec457d67c3d45ceec90e8dfa017329c
access.redhat.com/errata/rhsa-2025:36... WEB
https://access.redhat.com/errata/RHSA-2025:3607
access.redhat.com/errata/rhsa-2025:37... WEB
https://access.redhat.com/errata/RHSA-2025:3740
Github.com/grafana/tempo operator Security Information SECURITY
https://access.redhat.com/security/cve/CVE-2025-2786
bugzilla.redhat.com/show_bug.cgi WEB
https://bugzilla.redhat.com/show_bug.cgi?id=2354811
Github.com/grafana/tempo operator Source Repository REPOSITORY
https://github.com/grafana/tempo-operator

Frequently Asked Questions

What is CVE-2025-2786?
CVE-2025-2786 is a security vulnerability in Github.com/grafana/tempo operator involving Grafana Tempo Operator Vulnerable to Exposure of Sensitive Information to an Unauthorized Actor under CWE-200: Exposure of Sensitive Information to an Unauthorized Actor.
Which Github.com/grafana/tempo operator versions are affected?
Affected versions include releases prior to 0.16.0 across affected packages: github.com/grafana/tempo-operator.
What version fixes CVE-2025-2786?
Upgrading to 0.16.0 (or the latest patched release for your respective branch) resolves the vulnerability.
Is github.com/grafana/tempo-operator affected?
Yes, github.com/grafana/tempo-operator is affected in releases prior to 0.16.0. Upgrade your dependency to 0.16.0 or later.
What is the CVSS score of CVE-2025-2786?
CVE-2025-2786 has a CVSS v3.1 base score of 4.3 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
What CWE is associated with CVE-2025-2786?
CVE-2025-2786 is classified under CWE-200: Exposure of Sensitive Information to an Unauthorized Actor (The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.).
How can I check Go dependencies for CVE-2025-2786?
Run the dependency tree command: 'inspect dependencies for github.com/grafana/tempo-operator'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-28gr-56hr-prp6",
  "modified" : "2026-05-11T13:53:40Z",
  "published" : "2025-04-02T15:31:36Z",
  "aliases" : [ "CVE-2025-2786" ],
  "summary" : "Grafana Tempo Operator Vulnerable to Exposure of Sensitive Information to an Unauthorized Actor",
  "details" : "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.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/grafana/tempo-operator"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "0.16.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2025-2786"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/grafana/tempo-operator/pull/1145"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/grafana/tempo-operator/commit/0f3f6ad9dec457d67c3d45ceec90e8dfa017329c"
  }, {
    "type" : "WEB",
    "url" : "https://access.redhat.com/errata/RHSA-2025:3607"
  }, {
    "type" : "WEB",
    "url" : "https://access.redhat.com/errata/RHSA-2025:3740"
  }, {
    "type" : "WEB",
    "url" : "https://access.redhat.com/security/cve/CVE-2025-2786"
  }, {
    "type" : "WEB",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2354811"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/grafana/tempo-operator"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-200" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-05-11T13:53:40Z",
    "nvd_published_at" : "2025-04-02T11:15:39Z"
  }
}