EUVD-2026-65008
GHSA-53mh-vf3g-pggg
Severity by source
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Network API reachable with low-privilege station manager credential; scope changes because web-layer vulnerability achieves OS command execution via the Liquidsoap subprocess outside the web application boundary.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
2DescriptionCVE.org
AzuraCast exposes the Liquidsoap custom configuration fields through an endpoint that does not require the permission guarding them. The backend_config property in backend/src/Entity/Station.php is annotated with GROUP_GENERAL, and PUT /api/station/{station_id}/profile/edit in backend/src/Controller/Api/Stations/ProfileEditController.php deserializes with that group while requiring only StationPermissions::Profile. AbstractArrayEntity::fromArray() then assigns every public property with no field-level permission check, so custom_config_top, custom_config, custom_config_pre_playlists, custom_config_pre_live, custom_config_pre_fade and custom_config_bottom are writable through it. ConfigWriter::writeCustomConfigurationSection() emits those values verbatim into the generated Liquidsoap .liq script, where the process.run() and process.exec() built-ins execute operating system commands when the backend restarts, which the built-in sync task triggers automatically once needs_restart is set. The dedicated endpoint for the same data, PUT /api/station/{id}/liquidsoap-config, requires StationPermissions::Broadcasting, so a station manager holding only the profile permission reaches configuration that the intended boundary reserves for broadcasting operators.
AnalysisAI
Remote code execution in AzuraCast ≤0.23.8 is reachable by any authenticated station manager due to a serialization group mismatch that exposes Liquidsoap custom configuration fields through the profile-edit API endpoint, which enforces only the lower-privilege StationPermissions::Profile rather than the StationPermissions::Broadcasting required by the dedicated Liquidsoap configuration endpoint. An attacker injects arbitrary Liquidsoap script constructs - including process.run() or process.exec() OS command primitives - into fields that ConfigWriter::writeCustomConfigurationSection() emits verbatim into the generated .liq script, with execution triggered automatically by the built-in sync task whenever needs_restart is set. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid AzuraCast account with StationPermissions::Profile assigned for the target station - this is the specific permission granted to station managers for general profile editing and is intentionally positioned below the StationPermissions::Broadcasting permission that governs the dedicated Liquidsoap configuration endpoint. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H) scoring 8.7 accurately captures the core risk profile: the attack is network-accessible, structurally simple, and requires only a low-privilege station manager credential - a role commonly assigned to non-administrative contributors in multi-tenant AzuraCast deployments. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | The primary fix is to upgrade AzuraCast to a version beyond 0.23.8 that addresses GHSA-q8wg-3qg7-8pc7; the exact patched release version is not independently confirmed from the available references, so operators should monitor https://github.com/AzuraCast/AzuraCast/security/advisories/GHSA-q8wg-3qg7-8pc7 and the VulnCheck advisory at https://www.vulncheck.com/advisories/azuracast-through-liquidsoap-configuration-write-via-profile-edit-serialization-group-bypass for a confirmed fix version. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Conduct an immediate audit of all station manager accounts and their associated credentials; if any accounts are suspected compromised, revoke access immediately and review activity logs for unauthorized profile-edit API calls or Liquidsoap configuration changes. …
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External POC / Exploit Code
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