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

high Nessus Plugin ID 341188

Synopsis

The Spring Framework install on the remote host is affected by an authorization bypass vulnerability.

Description

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.

Solution

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.

See Also

https://spring.io/security/cve-2026-47892

Plugin Details

Severity: High

ID: 341188

File Name: spring_framework_CVE-2026-47892.nasl

Version: 1.2

Type: Local

Agent: windows, macosx, unix

Family: Misc.

Published: 8/28/2026

Updated: 8/28/2026

Configuration: Enable thorough checks (optional)

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.18

CVSS v2

Risk Factor: High

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2026-47892

CVSS v3

Risk Factor: High

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CVSS Score Source: CVE-2026-47892

Vulnerability Information

CPE: cpe:/a:pivotal_software:spring_framework, cpe:/a:vmware:spring_framework

Required KB Items: installed_sw/Spring Framework

Patch Publication Date: 8/20/2026

Vulnerability Publication Date: 8/20/2026

Reference Information

CVE: CVE-2026-47892

CWE: 863

IAVA: 2026-A-0898