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    2 vulnerabilities found for cert-manager by linuxfoundation

    CVE-2026-62290 (GCVE-0-2026-62290)

    Vulnerability from nvd – Published: 2026-07-16 19:37 – Updated: 2026-07-18 03:10
    VLAI
    Title
    cert-manager: Direct ACME Challenge resources can bypass Issuer DNS01 solver policy and use ClusterIssuer DNS credentials
    Summary
    cert-manager adds certificates and certificate issuers as resource types in Kubernetes clusters, and simplifies the process of obtaining, renewing and using those certificates. From 1.18.0 until 1.19.6 and 1.20.3, Challenge resources under acme.cert-manager.io can be created directly by namespace users without admission validation tying the Challenge to an Order, owner reference, or Issuer-selected solver, allowing attacker-controlled Challenge.spec.solver values referencing a ClusterIssuer to bypass DNS01 solver selectors such as dnsZones, dnsNames, and matchLabels and cause cert-manager to use ClusterIssuer DNS credentials for attacker-selected provider settings and DNS names, including disclosure of X-Api-User and X-Api-Key headers for acme-dns. This issue is fixed in versions 1.19.6 and 1.20.3.
    Severity
    7.3 (High)
    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-07-18 03:10 UTC
    CWE
    • CWE-863 - Incorrect Authorization
    Assigner
    References
    Impacted products
    Vendor Product Version
    cert-manager cert-manager Affected: >= 1.18.0, < 1.19.6
    Affected: >= 1.20.0, < 1.20.3
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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        {
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          "vendor": "cert-manager",
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    "dateReserved": "2026-07-13T18:37:08.488Z",
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    CVE-2026-62290 (GCVE-0-2026-62290)

    Vulnerability from cvelistv5 – Published: 2026-07-16 19:37 – Updated: 2026-07-18 03:10
    VLAI
    Title
    cert-manager: Direct ACME Challenge resources can bypass Issuer DNS01 solver policy and use ClusterIssuer DNS credentials
    Summary
    cert-manager adds certificates and certificate issuers as resource types in Kubernetes clusters, and simplifies the process of obtaining, renewing and using those certificates. From 1.18.0 until 1.19.6 and 1.20.3, Challenge resources under acme.cert-manager.io can be created directly by namespace users without admission validation tying the Challenge to an Order, owner reference, or Issuer-selected solver, allowing attacker-controlled Challenge.spec.solver values referencing a ClusterIssuer to bypass DNS01 solver selectors such as dnsZones, dnsNames, and matchLabels and cause cert-manager to use ClusterIssuer DNS credentials for attacker-selected provider settings and DNS names, including disclosure of X-Api-User and X-Api-Key headers for acme-dns. This issue is fixed in versions 1.19.6 and 1.20.3.
    Severity
    7.3 (High)
    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-07-18 03:10 UTC
    CWE
    • CWE-863 - Incorrect Authorization
    Assigner
    References
    Impacted products
    Vendor Product Version
    cert-manager cert-manager Affected: >= 1.18.0, < 1.19.6
    Affected: >= 1.20.0, < 1.20.3
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
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          "vendor": "cert-manager",
          "versions": [
            {
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