CVE-2026-100852: Command Injection (CVSS 8.8)

Description

AzuraCast before 0.23.8 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.

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CVSS v3.1 Score

8.8

HIGH

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

EPSS — Exploit Prediction

0.0372

Probability of exploitation

0.90%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-78 OS Command Injection

References

Other References

https://github.com/AzuraCast/AzuraCast/security/advisories/GHSA-73rf-jp3g-8rcf https://www.vulncheck.com/advisories/azuracast-through-0.23-x-command-injection-via-streamer-username https://github.com/AzuraCast/AzuraCast/security/advisories/GHSA-73rf-jp3g-8rcf

Frequently Asked Questions

What is CVE-2026-100852? +

AzuraCast before 0.23.8 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 has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-100852? +

CVE-2026-100852 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0372, placing it in the 1th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-100852? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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