CVE-2026-2741: Vaadin Specially Crafted ZIP Archives Can Vulnerability

LOW
Advisory Identifier: GHSA-8jrh-7jg8-fvmv
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CWE-22
Published
Advisory Summary

CVE-2026-2741 is a LOW specially crafted zip archives can vulnerability (CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')) affecting Vaadin libraries in the Maven ecosystem. The issue involves specially crafted zip archives can escape the intended extraction directory. Remediation is available by upgrading affected packages to version 14.14.1, 23.6.7, 24.9.9, 25.0.3.

CVE-2026-2741 at a Glance

CVE Identifier CVE-2026-2741
GHSA Identifier GHSA-8jrh-7jg8-fvmv
Severity LOW
CVSS v3.1 Base Score N/A
CWE Classification CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Affected Product Vaadin
Package Ecosystem Maven
Published Date
Last Updated

How to Fix CVE-2026-2741

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

com.vaadin:flow-project fixed: 14.14.1 
<dependency>
    <groupId>com.vaadin</groupId>
    <artifactId>flow-project</artifactId>
    <version>14.14.1</version>
</dependency>
com.vaadin:flow-project fixed: 23.6.7 
<dependency>
    <groupId>com.vaadin</groupId>
    <artifactId>flow-project</artifactId>
    <version>23.6.7</version>
</dependency>
com.vaadin:flow-project fixed: 24.9.9 
<dependency>
    <groupId>com.vaadin</groupId>
    <artifactId>flow-project</artifactId>
    <version>24.9.9</version>
</dependency>
com.vaadin:flow-project fixed: 25.0.3 
<dependency>
    <groupId>com.vaadin</groupId>
    <artifactId>flow-project</artifactId>
    <version>25.0.3</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=com.vaadin

How to Check if You Are Affected

To determine whether your Java application is affected by CVE-2026-2741, inspect your build dependencies using the Maven Dependency Plugin:

mvn dependency:tree -Dincludes=com.vaadin

Analyze the terminal output to locate any version of Vaadin in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 14.14.1), your application is affected.

Note: The mvn dependency:tree -Dincludes=com.vaadin 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-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal'), where the product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. In Vaadin, 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

Specially crafted ZIP archives can escape the intended extraction directory during Node.js download and extraction in Vaadin 14.2.0 through 14.14.0, 23.0.0 through 23.6.6, 24.0.0 through 24.9.8, and 25.0.0 through 25.0.2. Vaadin’s build process can automatically download and extract Node.js if it is not installed locally. If an attacker can intercept or control this download via DNS hijacking, a MITM attack, a compromised mirror, or a supply chain attack, they can serve a malicious archive containing path traversal sequences that write files outside the intended extraction directory. Users of affected versions should use a globally preinstalled Node.js version compatible with their Vaadin version, or upgrade as follows: 14.2.0-14.14.0 to 14.14.1, 23.0.0-23.6.6 to 23.6.7, 24.0.0-24.9.8 to 24.9.9, and 25.0.0-25.0.2 to 25.0.3 or newer. Please note that Vaadin versions 10-13 and 15-22 are no longer supported and you should update either to the latest 14, 23, 24, 25 version.

CVE-2026-2741 Affected Vaadin Versions

4 component(s)
Fixed Versions:
14.14.123.6.724.9.925.0.3
Product / Package Ecosystem Affected Versions Fixed Version
com.vaadin:flow-project
maven/com.vaadin/flow-project
Maven
≥ 14.2.0
< 14.14.1
14.14.1
com.vaadin:flow-project
maven/com.vaadin/flow-project
Maven
≥ 23.0.0
< 23.6.7
23.6.7
com.vaadin:flow-project
maven/com.vaadin/flow-project
Maven
≥ 24.0.0
< 24.9.9
24.9.9
com.vaadin:flow-project
maven/com.vaadin/flow-project
Maven
≥ 25.0.0
< 25.0.3
25.0.3

References

NVD — CVE-2026-2741 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-2741
Vaadin Source Repository REPOSITORY
https://github.com/vaadin/flow/pull/23125
Vaadin Source Repository REPOSITORY
https://github.com/vaadin/flow/pull/23130
Vaadin Source Repository REPOSITORY
https://github.com/vaadin/flow/pull/23131
Vaadin Source Repository REPOSITORY
https://github.com/vaadin/flow/pull/23133
Vaadin Source Repository REPOSITORY
https://github.com/vaadin/flow/pull/23135
Vaadin Source Repository REPOSITORY
https://github.com/vaadin/flow
Vaadin Security Information SECURITY
https://vaadin.com/security/cve-2026-2741

Frequently Asked Questions

What is CVE-2026-2741?
CVE-2026-2741 is a security vulnerability in Vaadin involving Specially crafted ZIP archives can escape the intended extraction directory under CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal').
Which Vaadin versions are affected?
Affected versions include releases prior to 14.14.1, 23.6.7, 24.9.9, 25.0.3 across affected packages: com.vaadin:flow-project.
What version fixes CVE-2026-2741?
Upgrading to 14.14.1, 23.6.7, 24.9.9, 25.0.3 (or the latest patched release for your respective branch) resolves the vulnerability.
Is flow-project affected?
Yes, com.vaadin:flow-project is affected in releases prior to 14.14.1, 23.6.7, 24.9.9, 25.0.3. Upgrade your dependency to 14.14.1, 23.6.7, 24.9.9, 25.0.3 or later.
What CWE is associated with CVE-2026-2741?
CVE-2026-2741 is classified under CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.).
How can I check Maven dependencies for CVE-2026-2741?
Run the dependency tree command: 'mvn dependency:tree -Dincludes=com.vaadin'. 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-8jrh-7jg8-fvmv",
  "modified" : "2026-03-12T14:19:41Z",
  "published" : "2026-03-10T18:31:22Z",
  "aliases" : [ "CVE-2026-2741" ],
  "summary" : "Vaadin: Specially crafted ZIP archives can escape the intended extraction directory",
  "details" : "Specially crafted ZIP archives can escape the intended extraction directory during Node.js download and extraction in Vaadin 14.2.0 through 14.14.0, 23.0.0 through 23.6.6, 24.0.0 through 24.9.8, and 25.0.0 through 25.0.2. \n\nVaadin’s build process can automatically download and extract Node.js if it is not installed locally. If an attacker can intercept or control this download via DNS hijacking, a MITM attack, a compromised mirror, or a supply chain attack, they can serve a malicious archive containing path traversal sequences that write files outside the intended extraction directory.\n\n\nUsers of affected versions should use a globally preinstalled Node.js version compatible with their Vaadin version, or upgrade as follows: 14.2.0-14.14.0 to 14.14.1, 23.0.0-23.6.6 to 23.6.7, 24.0.0-24.9.8 to 24.9.9, and 25.0.0-25.0.2 to 25.0.3 or newer.\n\nPlease note that Vaadin versions 10-13 and 15-22 are no longer supported and you should update either to the latest 14, 23, 24, 25 version.",
  "severity" : [ {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Maven",
      "name" : "com.vaadin:flow-project"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "14.2.0"
      }, {
        "fixed" : "14.14.1"
      } ]
    } ],
    "database_specific" : {
      "last_known_affected_version_range" : "< 14.14.0"
    }
  }, {
    "package" : {
      "ecosystem" : "Maven",
      "name" : "com.vaadin:flow-project"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "23.0.0"
      }, {
        "fixed" : "23.6.7"
      } ]
    } ],
    "database_specific" : {
      "last_known_affected_version_range" : "< 23.6.6"
    }
  }, {
    "package" : {
      "ecosystem" : "Maven",
      "name" : "com.vaadin:flow-project"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "24.0.0"
      }, {
        "fixed" : "24.9.9"
      } ]
    } ],
    "database_specific" : {
      "last_known_affected_version_range" : "< 24.9.8"
    }
  }, {
    "package" : {
      "ecosystem" : "Maven",
      "name" : "com.vaadin:flow-project"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "25.0.0"
      }, {
        "fixed" : "25.0.3"
      } ]
    } ],
    "database_specific" : {
      "last_known_affected_version_range" : "< 25.0.2"
    }
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-2741"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/vaadin/flow/pull/23125"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/vaadin/flow/pull/23130"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/vaadin/flow/pull/23131"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/vaadin/flow/pull/23133"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/vaadin/flow/pull/23135"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/vaadin/flow"
  }, {
    "type" : "WEB",
    "url" : "https://vaadin.com/security/cve-2026-2741"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-22" ],
    "severity" : "LOW",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-03-12T14:19:41Z",
    "nvd_published_at" : "2026-03-10T18:18:48Z"
  }
}