Spring Framework 5.2.5 < 5.2.26 / 5.3.x < 5.3.50 / 6.0.x < 6.0.31 / 6.1.x < 6.1.29 / 6.2.x < 6.2.20 / 7.0.x < 7.0.8.1 Header Predicate Bypass in WebFlux Functional Endpoints

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

include('compat.inc');

if (description)
{
  script_id(341188);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/08/31");

  script_cve_id("CVE-2026-47892");
  script_xref(name:"IAVA", value:"2026-A-0898");

  script_name(english:"Spring Framework 5.2.5 < 5.2.26 / 5.3.x < 5.3.50 / 6.0.x < 6.0.31 / 6.1.x < 6.1.29 / 6.2.x < 6.2.20 / 7.0.x < 7.0.8.1 Header Predicate Bypass in WebFlux Functional Endpoints");

  script_set_attribute(attribute:"synopsis", value:
"The Spring Framework install on the remote host is affected by an authorization bypass vulnerability.");
  script_set_attribute(attribute:"description", value:
"The version of Spring Framework installed on the remote host is 5.2.5 prior to 5.2.26, 5.3.x prior to 5.3.50, 6.0.x
prior to 6.0.31, 6.1.x prior to 6.1.29, 6.2.x prior to 6.2.20, or 7.0.x prior to 7.0.8.1. It is, therefore, affected by
a vulnerability:

  - A WebFlux application using functional endpoints and deployed with DispatcherServlet may be vulnerable to a header
    predicate bypass in a pre-flight request. (CVE-2026-47892)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://spring.io/security/cve-2026-47892");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Spring Framework version 5.2.26 / 5.3.50 / 6.0.31 / 6.1.29 / 6.2.20 / 7.0.8.1 / 7.0.9 or later. Note that
some fixed releases are available to Enterprise Support customers only; refer to the vendor advisory for details.");
  script_set_attribute(attribute:"agent", value:"all");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2026-47892");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(863);

  script_set_attribute(attribute:"vuln_publication_date", value:"2026/08/20");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/08/20");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/08/28");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:pivotal_software:spring_framework");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:vmware:spring_framework");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_set_attribute(attribute:"thorough_tests", value:"true");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  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("spring_jar_detection.nbin");
  script_require_keys("installed_sw/Spring Framework");

  exit(0);
}

include('vdf.inc');

# @tvdl-content
var vuln_data = {
  'metadata': {'spec_version': '1.0'},
  'checks': [
    {
      'product': {'name': 'Spring Framework', 'type': 'app'},
      'check_algorithm': 'default',
      'constraints': [
        {'min_version':'5.2.5', 'fixed_version':'5.2.26'},
        {'min_version':'5.3.0', 'fixed_version':'5.3.50'},
        {'min_version':'6.0.0', 'fixed_version':'6.0.31'},
        {'min_version':'6.1.0', 'fixed_version':'6.1.29'},
        {'min_version':'6.2.0', 'fixed_version':'6.2.20'},
        {'min_version':'7.0.0', 'fixed_version':'7.0.8.1', 'fixed_display':'7.0.8.1 / 7.0.9'}
      ]
    }
  ]
};

var result = vdf::check_and_report(vuln_data:vuln_data, severity:SECURITY_HOLE);
vdf::handle_check_and_report_errors(vdf_result:result);