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CVE-2025-68280

6.5 · MEDIUM

Improper Restriction of XML External Entity Reference vulnerability in Apache SIS.

Published Jan 5, 2026CWE-611EPSS 0.70%

Overview

CVE-2025-68280 is a medium-severity vulnerability. It was published on January 5, 2026 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Improper Restriction of XML External Entity Reference vulnerability in Apache SIS.

It is possible to write XML files in such a way that, when parsed by Apache SIS, an XML file reveals to the attacker the content of a local file on the server running Apache SIS. This vulnerability impacts the following SIS services:

* Reading of GeoTIFF files having the GEO_METADATA tag defined by the Defense Geospatial Information Working Group (DGIWG).

* Parsing of ISO 19115 metadata in XML format.

* Parsing of Coordinate Reference Systems defined in the GML format.

* Parsing of files in GPS Exchange Format (GPX).

This issue affects Apache SIS from versions 0.4 through 1.5 inclusive. Users are recommended to upgrade to version 1.6, which will fix the issue. In the meantime, the security vulnerability can be avoided by launching Java with the javax.xml.accessExternalDTD system property sets to a comma-separated list of authorized protocols. For example:

java -Djavax.xml.ac

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Reflists.apache.org/thread/s4ggy3zbtrrn93glgo2vn52lgcxk4bp4Refwww.openwall.com/lists/oss-security/2026/01/05/11Refwww.openwall.com/lists/oss-security/2026/01/05/7

How CyberStrike helps

Frequently asked questions

What is CVE-2025-68280?

CVE-2025-68280 is a medium-severity vulnerability. It was published on January 5, 2026 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2025-68280?

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2025-68280?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-68280?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-68280 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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