Linux Distros Unpatched Vulnerability : CVE-2026-80110

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
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  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/09/22");

  script_cve_id("CVE-2026-80110");

  script_name(english:"Linux Distros Unpatched Vulnerability : CVE-2026-80110");

  script_set_attribute(attribute:"synopsis", value:
"The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be
patched.");
  script_set_attribute(attribute:"description", value:
"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied
patch available.

  - A flaw was found in pki-core. The v2 REST ACL filter selects a tie-breaking permission for colliding
    literal and wildcard ACL keys using lexicographic string comparison rather than specificity, causing a
    wildcard-mapped permission to override a more specific literal-mapped permission when both match. In the
    CA's profile-management REST API this allows a request to POST /v2/profiles/raw -- intended to require
    Administrator-level profiles.create permission -- to instead be authorized under the lower-privileged
    profiles.approve permission held by the default Certificate Manager Agents group. The highest threat from
    this vulnerability is to confidentiality and integrity of the certificate authority's issuance policy.
    (CVE-2026-80110)

Note that Nessus relies on the presence of the package as reported by the vendor.");
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  script_set_attribute(attribute:"solution", value:
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  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:U/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:U/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2026-80110");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_set_attribute(attribute:"vendor_unpatched", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2026/09/21");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/09/21");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:centos:centos:8");
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  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:idm-ldapjdk-javadoc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:idm-pki-acme");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:idm-pki-base");
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  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:pki-core");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:pki-kra");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:pki-server");
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  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:tomcatjss");
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  script_family(english:"Misc.");

  script_copyright(english:"This script is Copyright (C) 2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info2.nasl", "set_linux_os_id.nasl");
  script_require_keys("Host/cpu", "Host/local_checks_enabled", "global_settings/vendor_unpatched", "Host/OS/identifier");
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}

if (!get_kb_item("global_settings/vendor_unpatched")) exit(0, "Unpatched Vulnerabilities Detection not active.");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (empty_or_null(get_one_kb_item("Host/CentOS/rpm-list")) && empty_or_null(get_one_kb_item("Host/RedHat/rpm-list"))) audit(AUDIT_PACKAGE_LIST_MISSING);

include('linux_unpatched.inc');

var distro_constraints_array = {
  "Red Hat Enterprise Linux-10": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "10",
        "pkgs": [
          {"reference": "dogtag-pki"},
          {"reference": "idm-pki-acme"},
          {"reference": "idm-pki-base"},
          {"reference": "idm-pki-ca"},
          {"reference": "idm-pki-java"},
          {"reference": "idm-pki-kra"},
          {"reference": "idm-pki-server"},
          {"reference": "idm-pki-tools"},
          {"reference": "python3-idm-pki"}
        ]
      }
    ]
  },
  "CentOS Linux-8": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "8",
        "pkgs": [
          {"reference": "idm-jss"},
          {"reference": "idm-jss-javadoc"},
          {"reference": "idm-ldapjdk"},
          {"reference": "idm-ldapjdk-javadoc"},
          {"reference": "idm-pki-acme"},
          {"reference": "idm-pki-base"},
          {"reference": "idm-pki-base-java"},
          {"reference": "idm-pki-ca"},
          {"reference": "idm-pki-kra"},
          {"reference": "idm-pki-server"},
          {"reference": "idm-pki-symkey"},
          {"reference": "idm-pki-tools"},
          {"reference": "idm-tomcatjss"},
          {"reference": "jss"},
          {"reference": "jss-javadoc"},
          {"reference": "ldapjdk"},
          {"reference": "ldapjdk-javadoc"},
          {"reference": "pki-acme"},
          {"reference": "pki-base"},
          {"reference": "pki-base-java"},
          {"reference": "pki-ca"},
          {"reference": "pki-core"},
          {"reference": "pki-kra"},
          {"reference": "pki-server"},
          {"reference": "pki-symkey"},
          {"reference": "pki-tools"},
          {"reference": "python3-idm-pki"},
          {"reference": "python3-pki"},
          {"reference": "resteasy"},
          {"reference": "resteasy-javadoc"},
          {"reference": "tomcatjss"}
        ]
      }
    ]
  },
  "Red Hat Enterprise Linux-8": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "8",
        "pkgs": [
          {"reference": "idm-jss"},
          {"reference": "idm-jss-javadoc"},
          {"reference": "idm-ldapjdk"},
          {"reference": "idm-ldapjdk-javadoc"},
          {"reference": "idm-pki-acme"},
          {"reference": "idm-pki-base"},
          {"reference": "idm-pki-base-java"},
          {"reference": "idm-pki-ca"},
          {"reference": "idm-pki-kra"},
          {"reference": "idm-pki-server"},
          {"reference": "idm-pki-symkey"},
          {"reference": "idm-pki-tools"},
          {"reference": "idm-tomcatjss"},
          {"reference": "jss"},
          {"reference": "jss-javadoc"},
          {"reference": "ldapjdk"},
          {"reference": "ldapjdk-javadoc"},
          {"reference": "pki-acme"},
          {"reference": "pki-base"},
          {"reference": "pki-base-java"},
          {"reference": "pki-ca"},
          {"reference": "pki-core"},
          {"reference": "pki-kra"},
          {"reference": "pki-server"},
          {"reference": "pki-symkey"},
          {"reference": "pki-tools"},
          {"reference": "python3-idm-pki"},
          {"reference": "python3-pki"},
          {"reference": "resteasy"},
          {"reference": "resteasy-javadoc"},
          {"reference": "tomcatjss"}
        ]
      }
    ]
  },
  "Red Hat Enterprise Linux-9": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "9",
        "pkgs": [
          {"reference": "idm-pki-acme"},
          {"reference": "idm-pki-base"},
          {"reference": "idm-pki-ca"},
          {"reference": "idm-pki-est"},
          {"reference": "idm-pki-java"},
          {"reference": "idm-pki-kra"},
          {"reference": "idm-pki-server"},
          {"reference": "idm-pki-tools"},
          {"reference": "pki-acme"},
          {"reference": "pki-base"},
          {"reference": "pki-base-java"},
          {"reference": "pki-ca"},
          {"reference": "pki-core"},
          {"reference": "pki-kra"},
          {"reference": "pki-server"},
          {"reference": "pki-symkey"},
          {"reference": "pki-tools"},
          {"reference": "python3-idm-pki"},
          {"reference": "python3-pki"}
        ]
      }
    ]
  }
};

var distro_constraints_values = linux_unpatched::get_distro_constraints(distro_constraints_arr:distro_constraints_array);
if (empty_or_null(distro_constraints_values)) audit(AUDIT_HOST_NOT, 'affected');

var third_party_support = get_kb_item('Host/OS/extended-third-party');
if (!empty_or_null(third_party_support)) {
    var third_party_vendors = distro_constraints_values['third_party'];
    if (!empty_or_null(third_party_vendors)) {
        var vendor;
        foreach vendor (third_party_vendors) {
            if (vendor == third_party_support) exit(0, 'A third party management patch is available for this vulnerability from ' + vendor + '.\n');
        }
    }
}

var report = linux_unpatched::check_unpatched_constraints(distro_constraints_values:distro_constraints_values);

if (!empty_or_null(report))
{
  security_report_v4(
      port       : 0,
      severity   : SECURITY_HOLE,
      extra      : report
  );
  exit(0);
}
else
{
  audit(AUDIT_HOST_NOT, 'affected');
}