CVE-2026-121431: medium-severity vulnerability in AzuraCast
AzuraCast before 0.24.0 SSRF Filter Bypass via Webhook Connectors
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.9epss 0.3%
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L
Affected products
AzuraCast · AzuraCastRelated CVEs — AzuraCast
In the same product, most dangerous first.
CVE-2026-100852HIGHAzuraCast before 0.23.8 Command Injection via Streamer UsernameEPSS 4.6%CVE-2026-121429HIGHAzuraCast through 0.23.8 Command Injection via StereoTool Liquidsoap pipe()EPSS 1.5%CVE-2026-42605HIGHAzuraCast: Path Traversal in `currentDirectory` Parameter Enables Remote Code Execution via Media UploadEPSS 0.8%CVE-2026-121428HIGHAzuraCast through 0.23.8 RCE via Supervisor Configuration Injection in TimezoneEPSS 0.7%CVE-2026-42606HIGHAzuraCast: Password Reset Poisoning via Untrusted X-Forwarded-Host Header Leads to Account Takeover and 2FA BypassEPSS 0.5%CVE-2026-100856HIGHAzuraCast before 0.23.6 Code Injection via Remote Relay PasswordEPSS 0.5%