What’s Vulnerable › Vulnerabilities

CVE-2026-100857: AzuraCast before 0.23.4 Remote Code Execution via Liquidsoap string interpolation

• Severity: high (CVSS 8.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-27 · updated 2026-10-08
• Weakness: CWE-94

Description

AzuraCast before 0.23.4 contains a code injection vulnerability in the ConfigWriter::cleanUpString() method that fails to sanitize Liquidsoap string interpolation sequences, allowing authenticated users with Media or Profile permissions to inject arbitrary Liquidsoap code into station configuration. Attackers can inject #{process.run()} expressions into playlist URLs or station metadata fields that execute shell commands as the azuracast user when the station restarts.

Affected products

• AzuraCast: before 0.23.4 — fixed in 0.23.4

How to fix

Upgrade to a fixed version: AzuraCast 0.23.4. Check the vendor advisory for mitigations.

References

• 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://github.com/AzuraCast/AzuraCast/security/advisories/GHSA-93fx-5qgc-wr38

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