# LocalS3 XML Parser Vulnerable to XML External Entity (XXE) Injection

Source: https://junglewise.ai/threats/locals3-xml-parser-vulnerable-to-xml-external-entity-xxe-injection-b3e9313d  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-03-10  
License: CC BY 4.0 with a link back

Severity: medium · CVSS 4 · Published 2025-03-10

LocalS3 XML Parser Vulnerable to XML External Entity (XXE) Injection

Technologies: [io.github.robothy:local-s3-rest (Maven)](https://junglewise.ai/threats/technologies/io-github-robothy-local-s3-rest). Vendors: [Maven](https://junglewise.ai/threats/vendors/maven).

## Quick answers

**Is This vulnerability exploited in the wild?** No. Junglewise Threat Intelligence has no report of This vulnerability being exploited in the wild.

**How severe is This vulnerability?** Medium severity, with a CVSS score of 4, published 10 March 2025.

**Which products and versions are affected?** io.github.robothy:local-s3-rest (Maven) ECOSYSTEM:introduced=0,fixed=1.21.

**Is there a fix for This vulnerability?** Yes. io.github.robothy:local-s3-rest (Maven): upgrade to 1.21 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected?** Check whether you run io.github.robothy:local-s3-rest (Maven) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- io.github.robothy:local-s3-rest (Maven): upgrade to 1.21 or later

  ```sh
  # set io.github.robothy:local-s3-rest to 1.21 in your pom.xml or build.gradle
  ```


## Affected products

- io.github.robothy:local-s3-rest (Maven) ECOSYSTEM:introduced=0,fixed=1.21

## Related threats

- [LocalS3 Project Vulnerable to XML External Entity (XXE) Injection via Bucket Tagging API](https://junglewise.ai/threats/locals3-project-vulnerable-to-xml-external-entity-xxe-injection-via-6b1d0389)
- [LocalS3 Project Bucket Operations Vulnerable to XML External Entity (XXE) Injection](https://junglewise.ai/threats/locals3-project-bucket-operations-vulnerable-to-xml-external-entity-xxe-93188385)
- [LocalS3 CreateBucketConfiguration Endpoint XML External Entity (XXE) Injection](https://junglewise.ai/threats/cve-2025-27136-locals3-createbucketconfiguration-endpoint-xml-external-entity)