{
  "document": {
    "aggregate_severity": {
      "text": "Critical"
    },
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "TuxCare License Agreement",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://tuxcare.com/contact/",
      "name": "TuxCare",
      "namespace": "https://tuxcare.com/"
    },
    "references": [
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.tuxcare.com/csaf/v2/els_os/almalinux9.2esu/vex/2026/cve-2026-1709-els_os-almalinux9_2esu.json"
      }
    ],
    "tracking": {
      "current_release_date": "2026-05-06T20:00:59Z",
      "generator": {
        "date": "2026-05-06T20:00:59Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CVE-2026-1709-ELS_OS-ALMALINUX9.2ESU",
      "initial_release_date": "2026-02-06T17:45:00Z",
      "revision_history": [
        {
          "date": "2026-02-06T17:45:00Z",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-02-09T20:18:14Z",
          "number": "2",
          "summary": "Official Publication"
        },
        {
          "date": "2026-05-06T20:00:59Z",
          "number": "3",
          "summary": "Update document"
        }
      ],
      "status": "final",
      "version": "3"
    },
    "title": "Security update on CVE-2026-1709"
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "AlmaLinux 9.2",
                "product": {
                  "name": "AlmaLinux 9.2",
                  "product_id": "AlmaLinux-9.2",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:o:almalinux:almalinux:9.2:*:*:*:*:*:*:*"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "AlmaLinux"
          }
        ],
        "category": "vendor",
        "name": "AlmaLinux OS Foundation"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "keylime-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
                "product": {
                  "name": "keylime-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
                  "product_id": "keylime-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/keylime@6.5.2-6.el9_2.alma.1.tuxcare.els1?arch=x86_64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "keylime-base-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
                "product": {
                  "name": "keylime-base-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
                  "product_id": "keylime-base-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/keylime-base@6.5.2-6.el9_2.alma.1.tuxcare.els1?arch=x86_64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "keylime-registrar-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
                "product": {
                  "name": "keylime-registrar-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
                  "product_id": "keylime-registrar-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/keylime-registrar@6.5.2-6.el9_2.alma.1.tuxcare.els1?arch=x86_64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "keylime-tenant-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
                "product": {
                  "name": "keylime-tenant-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
                  "product_id": "keylime-tenant-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/keylime-tenant@6.5.2-6.el9_2.alma.1.tuxcare.els1?arch=x86_64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "keylime-verifier-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
                "product": {
                  "name": "keylime-verifier-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
                  "product_id": "keylime-verifier-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/keylime-verifier@6.5.2-6.el9_2.alma.1.tuxcare.els1?arch=x86_64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "python3-keylime-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
                "product": {
                  "name": "python3-keylime-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
                  "product_id": "python3-keylime-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/python3-keylime@6.5.2-6.el9_2.alma.1.tuxcare.els1?arch=x86_64"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "x86_64"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "keylime-selinux-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.noarch",
                "product": {
                  "name": "keylime-selinux-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.noarch",
                  "product_id": "keylime-selinux-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.noarch",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/keylime-selinux@6.5.2-6.el9_2.alma.1.tuxcare.els1?arch=noarch"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "noarch"
          }
        ],
        "category": "vendor",
        "name": "TuxCare"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "keylime-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64 as a component of AlmaLinux 9.2",
          "product_id": "AlmaLinux-9.2:keylime-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64"
        },
        "product_reference": "keylime-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
        "relates_to_product_reference": "AlmaLinux-9.2"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "keylime-base-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64 as a component of AlmaLinux 9.2",
          "product_id": "AlmaLinux-9.2:keylime-base-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64"
        },
        "product_reference": "keylime-base-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
        "relates_to_product_reference": "AlmaLinux-9.2"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "keylime-registrar-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64 as a component of AlmaLinux 9.2",
          "product_id": "AlmaLinux-9.2:keylime-registrar-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64"
        },
        "product_reference": "keylime-registrar-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
        "relates_to_product_reference": "AlmaLinux-9.2"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "keylime-selinux-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.noarch as a component of AlmaLinux 9.2",
          "product_id": "AlmaLinux-9.2:keylime-selinux-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.noarch"
        },
        "product_reference": "keylime-selinux-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.noarch",
        "relates_to_product_reference": "AlmaLinux-9.2"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "keylime-tenant-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64 as a component of AlmaLinux 9.2",
          "product_id": "AlmaLinux-9.2:keylime-tenant-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64"
        },
        "product_reference": "keylime-tenant-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
        "relates_to_product_reference": "AlmaLinux-9.2"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "keylime-verifier-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64 as a component of AlmaLinux 9.2",
          "product_id": "AlmaLinux-9.2:keylime-verifier-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64"
        },
        "product_reference": "keylime-verifier-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
        "relates_to_product_reference": "AlmaLinux-9.2"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "python3-keylime-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64 as a component of AlmaLinux 9.2",
          "product_id": "AlmaLinux-9.2:python3-keylime-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64"
        },
        "product_reference": "python3-keylime-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
        "relates_to_product_reference": "AlmaLinux-9.2"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-1709",
      "cwe": {
        "id": "CWE-322",
        "name": "Key Exchange without Entity Authentication"
      },
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Keylime. The Keylime registrar, since version 7.12.0, does not enforce client-side Transport Layer Security (TLS) authentication. This authentication bypass vulnerability allows unauthenticated clients with network access to perform administrative operations, including listing agents, retrieving public Trusted Platform Module (TPM) data, and deleting agents, by connecting without presenting a client certificate.",
          "title": "Vulnerability description"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        },
        {
          "category": "other",
          "text": "TuxCare has assessed that this vulnerability does not impact any currently supported TuxCare products. This evaluation may change as new information becomes available. For additional details regarding this vulnerability and affected products, refer to the provided references.",
          "title": "Statement"
        }
      ],
      "product_status": {
        "known_not_affected": [
          "AlmaLinux-9.2:keylime-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
          "AlmaLinux-9.2:keylime-base-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
          "AlmaLinux-9.2:keylime-registrar-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
          "AlmaLinux-9.2:keylime-selinux-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.noarch",
          "AlmaLinux-9.2:keylime-tenant-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
          "AlmaLinux-9.2:keylime-verifier-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
          "AlmaLinux-9.2:python3-keylime-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2026-1709"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/errata/RHSA-2026:2224",
          "url": "https://access.redhat.com/errata/RHSA-2026:2224"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/errata/RHSA-2026:2225",
          "url": "https://access.redhat.com/errata/RHSA-2026:2225"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/errata/RHSA-2026:2298",
          "url": "https://access.redhat.com/errata/RHSA-2026:2298"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/security/cve/CVE-2026-1709",
          "url": "https://access.redhat.com/security/cve/CVE-2026-1709"
        },
        {
          "category": "external",
          "summary": "https://bugzilla.redhat.com/show_bug.cgi?id=2435514",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2435514"
        }
      ],
      "release_date": "2026-02-06T17:45:00Z",
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.4,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "LOW",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "AlmaLinux-9.2:keylime-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
            "AlmaLinux-9.2:keylime-base-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
            "AlmaLinux-9.2:keylime-registrar-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
            "AlmaLinux-9.2:keylime-selinux-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.noarch",
            "AlmaLinux-9.2:keylime-tenant-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
            "AlmaLinux-9.2:keylime-verifier-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
            "AlmaLinux-9.2:python3-keylime-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Critical"
        },
        {
          "category": "impact",
          "details": "Not affected: The packaged Keylime version is 6.5.2, which predates the REST API refactor that introduced keylime/web/base/server.py and the bug setting the registrar’s TLS verify_mode to ssl.CERT_OPTIONAL. In 6.5.2 the registrar uses the legacy path (registrar_common.py) and web_util.init_mtls(), which builds the SSLContext with verify_mode=ssl.CERT_REQUIRED and no override, so mTLS client authentication is enforced. CVE-2026-1709 impacts only versions 7.12.0–7.13.0 (fixed in 7.12.2 and 7.13.1), placing 6.5.2 outside the affected range.",
          "product_ids": [
            "AlmaLinux-9.2:keylime-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
            "AlmaLinux-9.2:keylime-base-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
            "AlmaLinux-9.2:keylime-registrar-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
            "AlmaLinux-9.2:keylime-selinux-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.noarch",
            "AlmaLinux-9.2:keylime-tenant-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
            "AlmaLinux-9.2:keylime-verifier-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64",
            "AlmaLinux-9.2:python3-keylime-0:6.5.2-6.el9_2.alma.1.tuxcare.els1.x86_64"
          ]
        }
      ]
    }
  ]
}