CVE-2025-29781

Cross-namespace Secret disclosure via unchecked HTTPHeadersRef

Published Mar 17, 2025 · Updated Mar 18, 2025

Information disclosure in Metal3 Bare Metal Operator 0.9.0 and 0.8.0 and earlier allows local users to read Kubernetes Secrets. The BMCEventSubscription reconciler follows spec.httpHeadersRef across namespaces and retrieves the referenced Secret with the controller's cluster-scoped permissions. A namespace-scoped Kubernetes account that can create BMCEventSubscription resources can therefore disclose Secrets from namespaces it cannot access directly.

CVSS severity6.5
Medium
EPSS probability0.18%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in Metal3 Bare Metal Operator 0.9.0 and 0.8.0 and earlier allows local users to read Kubernetes Secrets. The BMCEventSubscription reconciler follows spec.httpHeadersRef across namespaces and retrieves the referenced Secret with the controller's cluster-scoped permissions. A namespace-scoped Kubernetes account that can create BMCEventSubscription resources can therefore disclose Secrets from namespaces it cannot access directly.

The record

CVE
CVE-2025-29781
Published
Mar 17, 2025
Updated
Mar 18, 2025
Vendor
Metal3
Product
Bare Metal Operator
Classifications
CWE-200, CWE-653, T1552.007
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 17, 2025CVE publishedPublication date reported by the CVE source.
  2. Mar 18, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=< 0.8.1
  2. Affected versionversion== 0.9.0

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Metal3 · Bare Metal Operatorversion=< 0.8.1; version== 0.9.0

Published CVSS scores

6.5GitHubCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
CWE-653Improper Isolation or Compartmentalization
T1552.007Unsecured Credentials: Container API

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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