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    2 vulnerabilities by opencost

    CVE-2026-67349 (GCVE-0-2026-67349)

    Vulnerability from nvd – Published: 2026-07-30 14:40 – Updated: 2026-07-31 22:56 X_Open Source
    VLAI
    Title
    OpenCost < 1.121.0 Unauthenticated Helm Values Exposure and Admin Bypass
    Summary
    OpenCost before 1.121.0 fails to authenticate the GET /helmValues endpoint, exposing base64-decoded HELM_VALUES environment variable containing cloud provider credentials. Additionally, adminAuthMiddleware fails open when ADMIN_TOKEN is unset, allowing unauthenticated attackers to modify GCP service account keys via POST /serviceKey to redirect billing calls.
    Severity
    8.7 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
    7.5 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-306 - Missing Authentication for Critical Function
    Assigner
    References
    Impacted products
    Vendor Product Version
    opencost opencost Affected: 0 , < 1.121.0 (semver)
    		Create a notification for this product.
    Date Public
    2026-07-02 00:00
    Credits
    George Chen
    Show details on NVD website
    To clipboard 

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                "id": "CVE-2026-67349",
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
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    ],
    "cna": {
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        {
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          "packageURL": "pkg:golang/github.com/opencost/opencost",
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          "repo": "https://github.com/opencost/opencost",
          "vendor": "opencost",
          "versions": [
            {
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              "status": "affected",
              "version": "0",
              "versionType": "semver"
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      ],
      "metrics": [
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            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 8.7,
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            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
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          "tags": [
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          "url": "https://github.com/opencost/opencost/issues/3893"
        },
        {
          "name": "OpenCost core/v1.121.0 Release Notes",
          "tags": [
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          ],
          "url": "https://github.com/opencost/opencost/releases/tag/core/v1.121.0"
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    "cveId": "CVE-2026-67349",
    "datePublished": "2026-07-30T14:40:47.996Z",
    "dateReserved": "2026-07-29T13:36:36.277Z",
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    CVE-2026-67349 (GCVE-0-2026-67349)

    Vulnerability from cvelistv5 – Published: 2026-07-30 14:40 – Updated: 2026-07-31 22:56 X_Open Source
    VLAI
    Title
    OpenCost < 1.121.0 Unauthenticated Helm Values Exposure and Admin Bypass
    Summary
    OpenCost before 1.121.0 fails to authenticate the GET /helmValues endpoint, exposing base64-decoded HELM_VALUES environment variable containing cloud provider credentials. Additionally, adminAuthMiddleware fails open when ADMIN_TOKEN is unset, allowing unauthenticated attackers to modify GCP service account keys via POST /serviceKey to redirect billing calls.
    Severity
    8.7 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
    7.5 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-306 - Missing Authentication for Critical Function
    Assigner
    References
    Impacted products
    Vendor Product Version
    opencost opencost Affected: 0 , < 1.121.0 (semver)
    		Create a notification for this product.
    Date Public
    2026-07-02 00:00
    Credits
    George Chen
    Show details on NVD website
    To clipboard 

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            "Recovery": "NOT_DEFINED",
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            "attackVector": "NETWORK",
            "baseScore": 8.7,
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