---
title: "CVE-2026-61586: Copernik XML Factory - XML External Entity Injection"
description: "Copernik XML Factory < 0.1.2 contains an XML External Entity Injection caused by lack of blocking XInclude resource resolution in stock JDK provider, letting attackers disclose local files or perform SSRF via crafted XML, exploit requires enabling XInclude and parsing untrusted XML."
url: https://panop.io/threat-heartbeat/CVE-2026-61586/
---

# CVE-2026-61586 Copernik XML Factory - XML External Entity Injection

Copernik XML Factory < 0.1.2 contains an XML External Entity Injection caused by lack of blocking XInclude resource resolution in stock JDK provider, letting attackers disclose local files or perform SSRF via crafted XML, exploit requires enabling XInclude and parsing untrusted XML.

CVSS base score 8.2 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.36% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-61586)

## Details

Type

XML External Entity Injection

Impact

Information Disclosure, Server Side Request Forgery

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Published

30 October 2026

Updated

1 November 2026

Weakness

[CWE-611](https://cwe.mitre.org/data/definitions/611.html)

## Vendor fix

Update to version 0.1.2 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-61586](https://nvd.nist.gov/vuln/detail/CVE-2026-61586)
- [https://github.com/copernik-eu/copernik-xml-factory/commit/2fa042c44931b0a4ddd585d62b97a8a987efd6c6](https://github.com/copernik-eu/copernik-xml-factory/commit/2fa042c44931b0a4ddd585d62b97a8a987efd6c6)
- [https://github.com/copernik-eu/copernik-xml-factory/commit/e5febc6039ed4b0088245acb80ed7d6d6a7f5537](https://github.com/copernik-eu/copernik-xml-factory/commit/e5febc6039ed4b0088245acb80ed7d6d6a7f5537)
- [https://github.com/copernik-eu/copernik-xml-factory/releases/tag/v0.1.2](https://github.com/copernik-eu/copernik-xml-factory/releases/tag/v0.1.2)
- [https://github.com/copernik-eu/copernik-xml-factory/security/advisories/GHSA-xm28-xvqc-gxxg](https://github.com/copernik-eu/copernik-xml-factory/security/advisories/GHSA-xm28-xvqc-gxxg)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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