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CVE-2026-18381— Project-koku/koku-metrics-operator: koku-metrics-operator: operator service-account token exfiltration via user-controlled prometheus service_address

Quick assessment

Affected
Red Hat Cost Management Metrics Operator
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.

Koku koku-metrics-operator是Koku团队开源的一个基于 Golang 编写的 OpenShift Operator。 koku-metrics-operator存在服务端请求伪造漏洞，该漏洞源于允许用户编辑CostManagementMetricsConfig自定义资源指定任意上传URL，操作者附加其Kubernetes服务账户令牌，可能导致攻击者获取该令牌。

CVSS 7.6 · High EPSS 0.32% · P23

Affected Version Matrix 1

VendorProduct Version RangeStatus
Red Hat Cost Management Metrics Operator any affected
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I. Basic Information for CVE-2026-18381

Vulnerability Information
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Vulnerability Title
Project-koku/koku-metrics-operator: koku-metrics-operator: operator service-account token exfiltration via user-controlled prometheus service_address
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in the koku-metrics-operator for Red Hat OpenShift. The operator's CostManagementMetricsConfig custom resource allows a user able to edit the CR to specify an arbitrary upload URL. The operator attaches its own Kubernetes service-account bearer token to queries sent to this user-controlled URL, allowing the attacker to obtain the token.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
koku-metrics-operator 服务端请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Koku koku-metrics-operator是Koku团队开源的一个基于 Golang 编写的 OpenShift Operator。 koku-metrics-operator存在服务端请求伪造漏洞，该漏洞源于允许用户编辑CostManagementMetricsConfig自定义资源指定任意上传URL，操作者附加其Kubernetes服务账户令牌，可能导致攻击者获取该令牌。
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
Red Hat Cost Management Metrics Operator - cpe:/a:redhat:cost_management:4

II. Public POCs for CVE-2026-18381

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III. Intelligence Information for CVE-2026-18381

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Vendor Advisories for CVE-2026-18381 (2)

Same Patch Batch · Red Hat · 2026-07-30 · 15 CVEs total

CVE-2026-16526 8.8 HIGH Pcp: pcp: privilege escalation to root via linux_sockets pmda vulnerability
CVE-2026-58222 8.8 HIGH Samba: samba ad ldap compare filter injection and trusted-request confusion disclose prote
CVE-2026-16524 7.8 HIGH Pcp: pcp linux_sockets pmda: arbitrary command execution via command injection
CVE-2026-18378 7.6 HIGH Project-koku/koku-metrics-operator: koku-metrics-operator: cluster pull-secret token exfil
CVE-2026-16529 7.5 HIGH Pcp: pcp: denial of service due to signed integer overflow
CVE-2026-16527 7.3 HIGH Pcp: pcp pmproxy: unauthenticated access to /store endpoint allows bypassing pmcd access r
CVE-2026-18382 6.8 MEDIUM Project-koku/koku-metrics-operator: koku-metrics-operator: service-account client credenti
CVE-2026-16530 6.5 MEDIUM Pcp: pcp: remote denial of service and information leakage
CVE-2026-68562 6.2 MEDIUM Ansible-collection-redhat-leapp: ansible-collection-redhat-leapp: information disclosure v
CVE-2026-18369 5.8 MEDIUM Dogtag-pki: pki-core: redhat-pki: pki: acme http-01 validation ssrf via ip literal identif
CVE-2026-68563 5.5 MEDIUM Ansible-collection-redhat-leapp: ansible-collection-redhat-leapp: information disclosure o
CVE-2026-16531 5.3 MEDIUM Pcp: pcp: arbitrary file creation via path traversal in pmproxy logger servlet
CVE-2026-58218 5.3 MEDIUM Samba: dns signing dos via tkey name cache exhaustion
CVE-2026-58216 5.3 MEDIUM Samba: kpasswd service: kpasswd packet that contains malformed asn.1 might cause the serve

IV. Related Vulnerabilities

Same product: Cost Management Metrics Operator
Same vendor: Red Hat
Same weakness: CWE-918

V. Comments for CVE-2026-18381

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