CVE-2026-121431

MediumCVSS 5.3/10Last modified Nov 9, 2026

Description

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.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Weakness enumeration

CWE-918

Affected software

Vendor	Product	Versions
AzuraCast	AzuraCast	< 0.24.0

References

Timeline

Published: Nov 3, 2026
Last modified: Nov 9, 2026
NVD status: Deferred

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