---
title: "CVE-2026-82578: XML Batch Processing - XML External Entity Injection"
description: "An XML batch processing component with XPath option enabled contains an XML External Entity (XXE) injection caused by lack of entity restrictions in default XPath/JAXP setup, letting attackers exfiltrate data and cause denial of service, exploit requires XML batch processing with XPath enabled."
url: https://panop.io/threat-heartbeat/CVE-2026-82578/
---

# CVE-2026-82578 XML Batch Processing - XML External Entity Injection

An XML batch processing component with XPath option enabled contains an XML External Entity (XXE) injection caused by lack of entity restrictions in default XPath/JAXP setup, letting attackers exfiltrate data and cause denial of service, exploit requires XML batch processing with XPath enabled.

CVSS base score 7.5 /10

High

CISA KEV

Not listed

Public exploit

None known

EPSS

0.41% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-82578)

## Details

Type

XML External Entity Injection

Impact

Information Disclosure, Denial Of Service

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Published

11 September 2026

Updated

15 October 2026

Weakness

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

## Vendor fix

Disable XML batch processing or apply entity restrictions in XPath/JAXP configuration; update to latest secure version if available.

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-2026-82578](https://nvd.nist.gov/vuln/detail/CVE-2026-82578)
- [https://github.com/cisagov/CSAF/blob/develop/csaf\_files/OT/white/2026/icsma-26-253-01.json](https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsma-26-253-01.json)
- [https://www.cisa.gov/news-events/ics-medical-advisories/icsma-26-253-01](https://www.cisa.gov/news-events/ics-medical-advisories/icsma-26-253-01)

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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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