Spring Framework 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 SSE Stream Corruption

critical Nessus Plugin ID 358454

Synopsis

The Spring Framework install on the remote host is affected by a stream corruption vulnerability.

Description

The version of Spring Framework installed on the remote host is 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:

- Spring MVC applications using the functional web framework are vulnerable to stream corruption when using Server-Sent Events (SSE). An attacker with control over data that will be streamed to other users of the application might corrupt the stream of data sent to those users. Depending on the frontend application logic, this could corrupt state or present malicious information to other users. (CVE-2026-59313)

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 5.3.50 / 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-2026-59313

Plugin Details

Severity: Critical

ID: 358454

File Name: spring_framework_CVE-2026-59313.nasl

Version: 1.3

Type: Local

Agent: windows, macosx, unix

Family: Misc.

Published: 10/1/2026

Updated: 10/2/2026

Configuration: Enable thorough checks (optional)

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.35

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2026-59313

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

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

Required KB Items: installed_sw/Spring Framework

Exploit Ease: No known exploits are available

Patch Publication Date: 8/20/2026

Vulnerability Publication Date: 8/20/2026

Reference Information

CVE: CVE-2026-59313

CWE: 93

IAVA: 2026-A-1080