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    CVE-2026-121431

    AzuraCast before 0.24.0 contains a server-side request forgery vulnerability that allows station users with WebHooks permission to bypass the UserUrlFilter guard via the Mastodon, Telegram, GroupMe, and RadioReg connectors. Attackers can set instance_url, api, or webhookurl to internal addresses and trigger the webhook test endpoint to reach loopback, private-network, or cloud-metadata services.

    Published:Nov 3, 2026
    Last Modified:Nov 3, 2026
    EPS:Nov 3, 2026
    EPSS Score:
    CVSS Score:5.3

    Affected Products

    Vendor
    Azuracast
    Product
    Azuracast

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-918 Server-Side Request Forgery

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-664 Server Side Request Forgery

    Related CVEs

    CVE-2026-121433 (CVSS 5.1) — AzuraCast before 0.24.0 contains a stored CSV formula injection vulnerability that allows station users with M…
    CVE-2026-121432 (CVSS 5.1) — AzuraCast before 0.24.0 contains a CRLF injection vulnerability that allows low-privilege station users to inj…
    CVE-2026-121430 (CVSS 5.3) — AzuraCast before 0.24.0 contains a missing authorization vulnerability in the GET and POST /api/station/{stati…
    CVE-2026-121429 (CVSS 8.7) — AzuraCast through 0.23.8 contains a command injection vulnerability that allows station users with Profile per…
    CVE-2026-121428 (CVSS 8.7) — AzuraCast through 0.23.8 contains a remote code execution vulnerability that allows authenticated station mana…
    CVE-2026-121427 (CVSS 8.7) — AzuraCast through 0.23.8 fails to remove frontend_config.custom_config in PUT /station/{id}/profile/edit for u…
    CVE-2026-100857 (CVSS 8.6) — AzuraCast before 0.23.4 contains a code injection vulnerability in the ConfigWriter::cleanUpString() method th…
    CVE-2026-100856 (CVSS 8.7) — AzuraCast before 0.23.6 contains a code injection vulnerability in the remote relay password field due to inco…
    CVE-2026-100855 (CVSS 7.1) — AzuraCast before 0.23.6 contains a missing permission check vulnerability in the GET /api/station/{station_id}…
    CVE-2026-100854 (CVSS 5.3) — AzuraCast before 0.23.6 lacks RequireInternalConnection middleware on the Liquidsoap API endpoint and incorrec…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High