CVE-2026-41846: Spring Framework Cross-Site Scripting Vulnerability

MODERATE
Advisory Identifier: GHSA-957g-f97v-vppc
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CVSS 5.9
CWE-79
Published
Advisory Summary

CVE-2026-41846 is a MODERATE (CVSS 5.9) cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Spring Framework libraries in the Maven ecosystem. The issue involves spring framework cross-site scripting via jsp form tags. Remediation is available by upgrading affected packages to version 7.0.8, 6.2.19.

CVE-2026-41846 at a Glance

CVE Identifier CVE-2026-41846
GHSA Identifier GHSA-957g-f97v-vppc
Severity MODERATE
CVSS v3.1 Base Score 5.9
CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Product Spring Framework
Package Ecosystem Maven
Published Date
Last Updated

Security Impact

CVSS: 5.9

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N).

Attack Vector Network (AV:N)
Attack Complexity High (AC:H)
Privileges Required None (PR:N)
User Interaction Required (UI:R)
Scope Unchanged (S:U)
Confidentiality High (C:H)
Integrity Low (I:L)
Availability None (A:N)

How to Fix CVE-2026-41846

To remediate this vulnerability, upgrade all affected Spring Framework dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

org.springframework:spring-webmvc fixed: 7.0.8 
<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-webmvc</artifactId>
    <version>7.0.8</version>
</dependency>
org.springframework:spring-webmvc fixed: 6.2.19 
<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-webmvc</artifactId>
    <version>6.2.19</version>
</dependency>
org.springframework:spring-webmvc fixed: Latest secure release 
<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-webmvc</artifactId>
    <version>Latest secure release</version>
</dependency>
org.springframework:spring-webmvc fixed: Latest secure release 
<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-webmvc</artifactId>
    <version>Latest secure release</version>
</dependency>
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

mvn dependency:tree -Dincludes=org.springframework

How to Check if You Are Affected

To determine whether your Java application is affected by CVE-2026-41846, inspect your build dependencies using the Maven Dependency Plugin:

mvn dependency:tree -Dincludes=org.springframework

Analyze the terminal output to locate any version of Spring Framework in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 7.0.8), your application is affected.

Note: The mvn dependency:tree -Dincludes=org.springframework command inspects the resolved dependency graph declared in your project's POM files; it does not perform automated security scanning or inspect runtime dynamic classpaths. Always verify runtime container classpaths and shaded JARs.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'), where the product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. In Spring Framework, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

Spring MVC applications which accept user-supplied values in the cssClass, cssErrorClass, or cssStyle attributes of JSP form tags allow arbitrary HTML/JavaScript code injection, potentially resulting in a cross-site scripting (XSS) vulnerability. Affected versions: Spring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 through 5.3.48.

CVE-2026-41846 Affected Spring Framework Versions

4 component(s)
Fixed Versions:
7.0.86.2.19
Product / Package Ecosystem Affected Versions Fixed Version
org.springframework:spring-webmvc
maven/org.springframework/spring-webmvc
Maven
≥ 7.0.0
< 7.0.8
7.0.8
org.springframework:spring-webmvc
maven/org.springframework/spring-webmvc
Maven
≥ 6.2.0
< 6.2.19
6.2.19
org.springframework:spring-webmvc
maven/org.springframework/spring-webmvc
Maven
≥ 6.1.0
≤ 6.1.21
org.springframework:spring-webmvc
maven/org.springframework/spring-webmvc
Maven
≤ 5.3.39

References

NVD — CVE-2026-41846 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-41846
Security Fix Commit FIX COMMIT
https://github.com/spring-projects/spring-framework/commit/1829b42b9c45e780c268dd17863d9198d62154d3
Security Fix Commit FIX COMMIT
https://github.com/spring-projects/spring-framework/commit/e8f10244e3859e8bb5b6be3823c9bbea2c130573
Spring Framework Source Repository REPOSITORY
https://github.com/spring-projects/spring-framework
Spring Framework Release RELEASE
https://github.com/spring-projects/spring-framework/releases/tag/v6.2.19
Spring Framework Release RELEASE
https://github.com/spring-projects/spring-framework/releases/tag/v7.0.8
Spring Framework Security Information SECURITY
https://spring.io/security/cve-2026-41846

Frequently Asked Questions

What is CVE-2026-41846?
CVE-2026-41846 is a security vulnerability in Spring Framework involving Spring Framework Cross-site Scripting via JSP Form Tags under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Spring Framework versions are affected?
Affected versions include releases prior to 7.0.8, 6.2.19 across affected packages: org.springframework:spring-webmvc.
What version fixes CVE-2026-41846?
Upgrading to 7.0.8, 6.2.19 (or the latest patched release for your respective branch) resolves the vulnerability.
Is spring-webmvc affected?
Yes, org.springframework:spring-webmvc is affected in releases prior to 7.0.8, 6.2.19, Latest secure release. Upgrade your dependency to 7.0.8, 6.2.19, Latest secure release or later.
What is the CVSS score of CVE-2026-41846?
CVE-2026-41846 has a CVSS v3.1 base score of 5.9 (MODERATE) with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N.
What CWE is associated with CVE-2026-41846?
CVE-2026-41846 is classified under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.).
How can I check Maven dependencies for CVE-2026-41846?
Run the dependency tree command: 'mvn dependency:tree -Dincludes=org.springframework'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-957g-f97v-vppc",
  "modified" : "2026-07-30T18:37:44Z",
  "published" : "2026-06-09T06:31:58Z",
  "aliases" : [ "CVE-2026-41846" ],
  "summary" : "Spring Framework Cross-site Scripting via JSP Form Tags",
  "details" : "Spring MVC applications which accept user-supplied values in the cssClass, cssErrorClass, or cssStyle attributes of JSP form tags allow arbitrary HTML/JavaScript code injection, potentially resulting in a cross-site scripting (XSS) vulnerability.\n\nAffected versions:\nSpring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 through 5.3.48.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Maven",
      "name" : "org.springframework:spring-webmvc"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "7.0.0"
      }, {
        "fixed" : "7.0.8"
      } ]
    } ],
    "database_specific" : {
      "last_known_affected_version_range" : "<= 7.0.7"
    }
  }, {
    "package" : {
      "ecosystem" : "Maven",
      "name" : "org.springframework:spring-webmvc"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "6.2.0"
      }, {
        "fixed" : "6.2.19"
      } ]
    } ],
    "database_specific" : {
      "last_known_affected_version_range" : "<= 6.2.18"
    }
  }, {
    "package" : {
      "ecosystem" : "Maven",
      "name" : "org.springframework:spring-webmvc"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "6.1.0"
      }, {
        "last_affected" : "6.1.21"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Maven",
      "name" : "org.springframework:spring-webmvc"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "5.3.39"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-41846"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/spring-projects/spring-framework/commit/1829b42b9c45e780c268dd17863d9198d62154d3"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/spring-projects/spring-framework/commit/e8f10244e3859e8bb5b6be3823c9bbea2c130573"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/spring-projects/spring-framework"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/spring-projects/spring-framework/releases/tag/v6.2.19"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/spring-projects/spring-framework/releases/tag/v7.0.8"
  }, {
    "type" : "WEB",
    "url" : "https://spring.io/security/cve-2026-41846"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-07-30T18:37:44Z",
    "nvd_published_at" : "2026-06-09T05:16:36Z"
  }
}