Vulnerabilities in pkg:maven/org.springframework/spring-core

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Advisory Identifier: GHSA-659m-px2c-25wj
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Advisory Summary

CVE-2026-41848 is a LOW (CVSS 3.7) denial of service vulnerability (CWE-1333: Inefficient Regular Expression Complexity) affecting Spring Framework libraries in the Maven ecosystem. The issue involves spring framework denial of service via antpathmatcher. Remediation is available by upgrading affected packages to version 7.0.8, 6.2.19.

19 Known Advisory Record(s)
Package Vulnerability Intelligence

pkg:maven/org.springframework/spring-core

19 Known Advisory Record(s)

Vulnerability advisories affecting package pkg:maven/org.springframework/spring-core. Select an advisory below to view technical details or fixes.

Advisory ID CVE / NVD Severity Summary
GHSA-659m-px2c-25wj CVE-2026-41848 LOW Spring Framework Denial of Service via AntPathMatcher
GHSA-jmp9-x22r-554x CVE-2025-41249 HIGH Spring Framework annotation detection mechanism may result in improper authorization
GHSA-r4q3-7g4q-x89m CVE-2024-22233 HIGH Spring Framework server Web DoS Vulnerability
GHSA-rfmp-97jj-h8m6 CVE-2021-22096 MODERATE Improper Output Neutralization for Logs in Spring Framework
GHSA-ffvq-7w96-97p7 CVE-2018-15756 HIGH Denial of Service in Spring Framework
GHSA-f26x-pr96-vw86 CVE-2018-11040 MODERATE Moderate severity vulnerability that affects org.springframework:spring-core
GHSA-rhcg-rwhx-qj3j CVE-2014-3578 MODERATE Improper Limitation of a Pathname to a Restricted Directory in Spring Framework
GHSA-v596-fwhq-8x48 CVE-2018-1199 MODERATE Improper Input Validation in org.springframework.security:spring-security-core, org.springframework.security:spring-security-core , and org.springframework:spring-core
GHSA-f866-m9mv-2xr3 CVE-2011-2894 MODERATE Spring Framework and Spring Security vulnerable to Deserialization of Untrusted Data
GHSA-cxrj-66c5-9fmh CVE-2018-1258 HIGH Spring Framework when used in combination with any versions of Spring Security contains an authorization bypass
GHSA-4487-x383-qpph CVE-2018-1272 HIGH Possible privilege escalation in org.springframework:spring-core
GHSA-g8hw-794c-4j9g CVE-2018-1271 MODERATE Path Traversal in org.springframework:spring-core
GHSA-rcpf-vj53-7h2m CVE-2018-1257 MODERATE Denial of Service in org.springframework:spring-core
GHSA-45vg-2v73-vm62 CVE-2015-0201 MODERATE Moderate severity vulnerability that affects org.springframework:spring-core
GHSA-pgf9-h69p-pcgf CVE-2015-5211 HIGH Files or Directories Accessible to External Parties in org.springframework:spring-core
GHSA-8crv-49fr-2h6j CVE-2016-5007 HIGH Spring Security and Spring Framework may not recognize certain paths that should be protected
GHSA-wv88-pf73-x22p CVE-2011-2730 HIGH Improper Neutralization of Directives in Dynamically Evaluated Code in Spring Framework
GHSA-wjjr-h4wh-w6vv CVE-2009-1190 MODERATE Spring Framework Inefficient Regular Expression Complexity
GHSA-6gf2-pvqw-37ph CVE-2021-22060 MODERATE Log entry injection in Spring Framework

CVE-2026-41848 at a Glance

CVE Identifier CVE-2026-41848
GHSA Identifier GHSA-659m-px2c-25wj
Severity LOW
CVSS v3.1 Base Score 3.7
CWE Classification CWE-1333: Inefficient Regular Expression Complexity
Affected Product Spring Framework
Package Ecosystem Maven
Published Date
Last Updated

Security Impact

CVSS: 3.7

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:N/S:U/C:N/I:N/A:L).

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

How to Fix CVE-2026-41848

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-core fixed: 7.0.8 
<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-core</artifactId>
    <version>7.0.8</version>
</dependency>
org.springframework:spring-core fixed: 6.2.19 
<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-core</artifactId>
    <version>6.2.19</version>
</dependency>
org.springframework:spring-core fixed: Latest secure release 
<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-core</artifactId>
    <version>Latest secure release</version>
</dependency>
org.springframework:spring-core fixed: Latest secure release 
<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-core</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-2026-41848, 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-1333: Inefficient Regular Expression Complexity, where the product uses a regular expression with a worst-case computational complexity that is inefficient and possibly exponential. 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

Applications may be vulnerable to a Regular Expression Denial of Service (ReDoS) attack if an attacker is able to provide a pattern which is then directly or indirectly supplied to one of the following methods in AntPathMatcher: match(String pattern, String path), matchStart(String pattern, String path), extractUriTemplateVariables(String pattern, String path). 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-2026-41848 Affected Spring Framework Versions

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

References

NVD — CVE-2026-41848 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-41848
Security Fix Commit FIX COMMIT
https://github.com/spring-projects/spring-framework/commit/12b44f2545a1bec6150c7a05e66092c732597a94
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-2026-41848

Frequently Asked Questions

What is CVE-2026-41848?
CVE-2026-41848 is a security vulnerability in Spring Framework involving Spring Framework Denial of Service via AntPathMatcher under CWE-1333: Inefficient Regular Expression Complexity.
Which Spring Framework versions are affected?
Affected versions include releases prior to 7.0.8, 6.2.19 across affected packages: org.springframework:spring-core.
What version fixes CVE-2026-41848?
Upgrading to 7.0.8, 6.2.19 (or the latest patched release for your respective branch) resolves the vulnerability.
Is spring-core affected?
Yes, org.springframework:spring-core 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-2026-41848?
CVE-2026-41848 has a CVSS v3.1 base score of 3.7 (LOW) with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L.
What CWE is associated with CVE-2026-41848?
CVE-2026-41848 is classified under CWE-1333: Inefficient Regular Expression Complexity (The product uses a regular expression with a worst-case computational complexity that is inefficient and possibly exponential.).
How can I check Maven dependencies for CVE-2026-41848?
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-659m-px2c-25wj",
  "modified" : "2026-07-30T18:29:22Z",
  "published" : "2026-06-09T06:31:58Z",
  "aliases" : [ "CVE-2026-41848" ],
  "summary" : "Spring Framework Denial of Service via AntPathMatcher",
  "details" : "Applications may be vulnerable to a Regular Expression Denial of Service (ReDoS) attack if an attacker is able to provide a pattern which is then directly or indirectly supplied to one of the following methods in AntPathMatcher: match(String pattern, String path), matchStart(String pattern, String path), extractUriTemplateVariables(String pattern, String path).\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:N/S:U/C:N/I:N/A:L"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Maven",
      "name" : "org.springframework:spring-core"
    },
    "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-core"
    },
    "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-core"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "6.1.0"
      }, {
        "last_affected" : "6.1.21"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Maven",
      "name" : "org.springframework:spring-core"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "5.3.39"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-41848"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/spring-projects/spring-framework/commit/12b44f2545a1bec6150c7a05e66092c732597a94"
  }, {
    "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-2026-41848"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-1333" ],
    "severity" : "LOW",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-07-30T18:29:21Z",
    "nvd_published_at" : "2026-06-09T05:16:36Z"
  }
}