AzuraCast up to 0.23.x Liquidsoap config generation process.run Username os command injection

Summaryinfo

A vulnerability has been found in AzuraCast up to 0.23.x and classified as critical. The impacted element is the function process.run of the component Liquidsoap config generation. This manipulation of the argument Username causes os command injection. This vulnerability is handled as CVE-2026-100852. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability has been found in AzuraCast up to 0.23.x and classified as critical. Affected by this vulnerability is the function process.run of the component Liquidsoap config generation. The manipulation of the argument username with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

AzuraCast through 0.23.x contains a command injection vulnerability in the Liquidsoap config generation for live recording that fails to quote the streamer username in process.run calls. Authenticated station users with Streamers and Profile permissions can set a username containing shell metacharacters and trigger command execution as the Liquidsoap process user when recording closes.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-100852 since 09/27/2026. The exploitation appears to be easy. The attack can be launched remotely. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/27/2026). The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Name

• AzuraCast

Version

• 0.1
• 0.2
• 0.3
• 0.4
• 0.5
• 0.6
• 0.7
• 0.8
• 0.9
• 0.10
• 0.11
• 0.12
• 0.13
• 0.14
• 0.15
• 0.16
• 0.17
• 0.18
• 0.19
• 0.20
• 0.21
• 0.22
• 0.23

Website

• Product: https://github.com/AzuraCast/AzuraCast/

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