---
id: "CVE-2026-123029"
kind: "vulnerability"
aliases: ["CVE-2026-123029"]
title: "Wowza Streaming Engine: XML external entities let remote attackers read local files"
severity: "high"
cvss: 7.5
epss: null
exploited: false
status: "open"
category: "runtime"
products: []
ecosystems: []
tags: ["runtime", "self-hosted", "streaming", "wowza-streaming-engine"]
not_affected_if: ["version-4.12.2-or-later"]
published_at: "2026-11-05T07:17:26+00:00"
first_seen_at: "2026-11-05T07:37:46+00:00"
updated_at: "2026-11-05T07:39:57+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-123029", "first_seen_at": "2026-11-05T07:37:46+00:00"}]
exploit_sources: []
---

# Wowza Streaming Engine: XML external entities let remote attackers read local files

Wowza Streaming Engine before 4.12.2 parses XML with external entities enabled. A remote attacker can make it read local files with the privileges of the Wowza process.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check the installed Wowza Streaming Engine version in the admin console or install directory, and compare it with `4.12.2`.

## Fix

- Wowza Streaming Engine: move to `4.12.2` or later.

## Timeline

- 2026-11-05T07:37:46+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-123029

## From the sources

Wowza Streaming Engine before 4.12.2 processes XML external entities, which allows remote attackers to read local files with the privileges of the Wowza Streaming Engine process.

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