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CVE-2026-100847 – SQL/DQL Injection (Data Exfiltration) – AzuraCast before 0.23.8

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Summary

CVE-2026-100847 is a DQL (Doctrine Query Language) injection vulnerability in AzuraCast, a self-hosted web radio management suite, affecting all versions before 0.23.8. The flaw resides in the sortOrder API parameter handled by AbstractSearchableListAction.php and allows unauthenticated, network-based attackers to inject arbitrary DQL expressions into backend database queries. Successful exploitation can expose sensitive data such as user credentials and station configuration details, and the issue is rated HIGH severity.

Technical details

  • Root cause: The sortOrder parameter used by AzuraCast’s searchable list API endpoints is passed into a Doctrine ORM query without adequate validation or sanitization, permitting attacker-controlled DQL fragments to be evaluated by the application.
  • Trigger conditions: An attacker sends a crafted value in the sortOrder parameter to an affected API endpoint that extends AbstractSearchableListAction.php; no authentication or user interaction is required to trigger the injection.
  • Attack vector: Remote/network — the vulnerable parameter is reachable over HTTP(S) on any exposed AzuraCast instance.
  • Impact: Unauthorized extraction of sensitive database contents, including user credentials and station configuration/settings, resulting in a confidentiality breach; no direct impact on integrity or availability has been reported.

Affected software

  • AzuraCast versions prior to 0.23.8 (all earlier releases)
  • Fixed in AzuraCast 0.23.8 and later

Severity

  • CVSS v3.1 Base Score: 7.5 (High) — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  • CVSS v4.0 Base Score: 8.7 (High) — CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Mitigation and recommended actions

  • Immediate: Upgrade all AzuraCast deployments to version 0.23.8 or later, which contains the fix for the sortOrder DQL injection.
  • If immediate patching is not possible: Restrict or disable public/unauthenticated access to AzuraCast API endpoints that accept a sortOrder parameter (e.g., via reverse proxy or firewall rules), and monitor application and database logs for anomalous or malformed sortOrder values indicative of injection attempts. These are interim compensating controls only — apply the vendor patch as soon as possible.

References

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