---
title: "CVE-2026-82376: Apache Roller - XML External Entity Injection"
description: "Apache Roller 6.1.5 contains an XML external entity injection caused by insecure XML parsing of trackback responses, letting users with entry-editing rights disclose files readable by the server, exploit requires entry-editing privileges."
url: https://panop.io/threat-heartbeat/CVE-2026-82376/
---

# CVE-2026-82376 Apache Roller - XML External Entity Injection

Apache Roller 6.1.5 contains an XML external entity injection caused by insecure XML parsing of trackback responses, letting users with entry-editing rights disclose files readable by the server, exploit requires entry-editing privileges.

CVSS base score 7.7 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.30% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-82376)

## Details

Type

XML External Entity Injection

Impact

Information Disclosure, File System Read

CVSS vector

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

Published

28 September 2026

Updated

15 October 2026

Weakness

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

## Vendor fix

Upgrade to Apache Roller 6.1.6 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-2026-82376](https://nvd.nist.gov/vuln/detail/CVE-2026-82376)
- [https://github.com/apache/roller/pull/163](https://github.com/apache/roller/pull/163)
- [https://lists.apache.org/thread/dxqmd3873q87h06xpjjc9lnvp4jblz0l](https://lists.apache.org/thread/dxqmd3873q87h06xpjjc9lnvp4jblz0l)
- [http://www.openwall.com/lists/oss-security/2026/09/25/9](http://www.openwall.com/lists/oss-security/2026/09/25/9)

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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

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