{"affected":[{"defaultStatus":"unaffected","product":"AzuraCast","source":"CNA: VulnCheck","vendor":"AzuraCast","versions":[{"lessThan":"0.24.0","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"0.24.0","versionType":"semver"}]}],"cveId":"CVE-2026-121431","cwes":["CWE-918"],"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.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":6.9,"severity":"medium","source":"CNA: VulnCheck","vector":"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","version":"4.0"},{"score":5.3,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","version":"3.1"}],"modifiedAt":1793716105018,"publishedAt":1793716105018,"references":[{"source":"CNA: VulnCheck","tags":["vendor-advisory"],"url":"https://github.com/AzuraCast/AzuraCast/security/advisories/GHSA-qh22-76gf-qwc4"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/azuracast-before-0.24.0-ssrf-filter-bypass-via-webhook-connectors"}],"remediation":[],"revision":"6ea9731cd007e809096578bdd30e51ea1f48a66c0908c4cac3256f59e6988bab","sources":[{"modifiedAt":1793716105018,"name":"CNA: VulnCheck","retrievedAt":1793718582571,"url":"https://www.cve.org/CVERecord?id=CVE-2026-121431"}],"ssvc":null,"status":"published","title":"AzuraCast before 0.24.0 SSRF Filter Bypass via Webhook Connectors","updatedAt":1793718582571}