CVE-2025-2786

MEDIUMNVD 4.34.3—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 4.3 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 74% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
4.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 4.3Exploit: NoneExposed: 0

A fix is available — apply it.

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.

CVSS v3
4.3
EG Score
4.3(medium)
EG Risk
19(Track)
EG Risk 19/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity43% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
26.0%
KEV
Not listed

Published

April 2, 2025

Last Modified

July 20, 2026

Advisory Details (5)

Auto-updated Jul 20, 2026
Patch available. Sources: redhat, github_pr.
github_pr Patch Available

Fix CVE-2025-2786: Ensure the operator does not grant additional permissions when enabling OpenShift tenancy mode

Patch available: grafana/tempo-operator v0.16.0 (PR #1145 merged 2025-04-15)

https://github.com/grafana/tempo-operator/pull/1145
redhat

2354811 – (CVE-2025-2786) CVE-2025-2786 tempo-operator: ServiceAccount Token Exposure Leading to Token and Subject Access Reviews in OpenShift Tempo Operator

https://bugzilla.redhat.com/show_bug.cgi?id=2354811
redhat Patch Available

cve-details

https://access.redhat.com/security/cve/CVE-2025-2786
redhat Patch Available
https://access.redhat.com/errata/RHSA-2025:3740
redhat Patch Available
https://access.redhat.com/errata/RHSA-2025:3607

Vendor Advisories for CVE-2025-2786(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(2)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatrhosdt/tempo-rhel8-operator:sha256:9f3e34f7d7f600ca57a2cfa2abc665a12b9170595de8f99ee36025e8f4311ea22025-04-09redhat
redhatrhosdt/tempo-rhel8-operator:sha256:233132300a9f5f019047a414b240f5b32c7563af8107bb52c4395892fdcd0fe02025-04-04redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)
Go(1)
PackageVulnerable rangeFixed inDependents
github.com/grafana/tempo-operator—0.16.0—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 13× in last 7d / 49× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 125 total refreshes for this CVE.

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Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2025-2786?
CVE-2025-2786 is a medium vulnerability published on April 2, 2025. 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…
When was CVE-2025-2786 disclosed?
CVE-2025-2786 was first published in the National Vulnerability Database on April 2, 2025, with the most recent update on July 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-2786 actively exploited?
CVE-2025-2786 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 26.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2025-2786?
CVE-2025-2786 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2025-2786?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-2786, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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