---
title: "CVE-2026-100857: AzuraCast - Command Injection"
description: "AzuraCast < 0.23.4 contains a code injection vulnerability caused by improper sanitization of Liquidsoap string interpolation in ConfigWriter::cleanUpString(), letting authenticated users with Media or Profile permissions execute arbitrary shell commands as azuracast user, exploit requires authenticated user with specific permissions."
url: https://panop.io/threat-heartbeat/CVE-2026-100857/
---

# CVE-2026-100857 AzuraCast - Command Injection

AzuraCast < 0.23.4 contains a code injection vulnerability caused by improper sanitization of Liquidsoap string interpolation in ConfigWriter::cleanUpString(), letting authenticated users with Media or Profile permissions execute arbitrary shell commands as azuracast user, exploit requires authenticated user with specific permissions.

CVSS base score 8.0 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.34% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-100857)

## Details

Type

Command Injection

Impact

Remote Code Execution

CVSS vector

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

Published

27 September 2026

Updated

15 October 2026

Weakness

[CWE-94](https://cwe.mitre.org/data/definitions/94.html)

## Vendor fix

Update to version 0.23.4 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-2026-100857](https://nvd.nist.gov/vuln/detail/CVE-2026-100857)
- [https://github.com/AzuraCast/AzuraCast/security/advisories/GHSA-93fx-5qgc-wr38](https://github.com/AzuraCast/AzuraCast/security/advisories/GHSA-93fx-5qgc-wr38)
- [https://www.vulncheck.com/advisories/azuracast-before-0.23.4-remote-code-execution-via-liquidsoap-string-interpolation](https://www.vulncheck.com/advisories/azuracast-before-0.23.4-remote-code-execution-via-liquidsoap-string-interpolation)

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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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