{"id":"CVE-2026-121431","aliases":["EUVD-2026-115853","GHSA-8x7j-92r4-99vr","GHSA-qh22-76gf-qwc4"],"status":"published","title":"AzuraCast before 0.24.0 SSRF Filter Bypass via Webhook Connectors","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.","severity":{"version":"4.0","score":6.9,"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00275,"percentile":0.20171,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-918"],"published":"2026-11-03T14:28:25Z","modified":"2026-11-09T14:56:14Z","products":[{"vendor":"azuracast","product":"azuracast"}],"references":[{"url":"https://github.com/AzuraCast/AzuraCast/security/advisories/GHSA-qh22-76gf-qwc4","tags":["vendor-advisory","exploit","advisory"]},{"url":"https://www.vulncheck.com/advisories/azuracast-before-0.24.0-ssrf-filter-bypass-via-webhook-connectors","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121431","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-8x7j-92r4-99vr"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/121xxx/CVE-2026-121431.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-121431","title":"AzuraCast before 0.24.0 SSRF Filter Bypass via Webhook Connectors","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.","status":"published","published":"2026-11-03T14:28:25.018Z","modified":"2026-11-09T14:56:14.966Z","cvss":[{"version":"4.0","score":6.9,"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","level":"medium","assessor":"cna"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-918"],"updated_at":"2026-11-09T15:33:44.265689Z"}],"euvd":[{"id":"EUVD-2026-115853","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.","status":"published","published":"2026-11-03T14:28:25Z","modified":"2026-11-09T14:56:14Z","cvss":[{"version":"4.0","score":6.9,"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","level":"medium"}],"updated_at":"2026-11-09T16:17:22.482171Z"}],"ghsa":[{"id":"GHSA-8x7j-92r4-99vr","title":"AzuraCast before 0.24.0 contains a server-side request forgery vulnerability that allows station...","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.","status":"published","published":"2026-11-03T15:32:15Z","modified":"2026-11-03T15:32:16Z","cvss":[{"version":"4.0","score":6.9,"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/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","level":"medium"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-918"],"updated_at":"2026-11-03T17:59:57.372966Z"}],"nvd":[{"id":"CVE-2026-121431","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.","status":"published","published":"2026-11-03T15:17:34.09Z","modified":"2026-11-09T15:17:10.953Z","cvss":[{"version":"4.0","score":6.9,"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/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","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-918"],"updated_at":"2026-11-09T18:15:13.699929Z"}],"osv":[{"id":"CVE-2026-121431","title":"AzuraCast before 0.24.0 SSRF Filter Bypass via Webhook Connectors","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.","status":"published","published":"2026-11-03T14:28:25.018Z","modified":"2026-11-11T02:31:06.502390549Z","cvss":[{"version":"4.0","score":6.9,"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","level":"medium"}],"cwes":["CWE-918"],"updated_at":"2026-11-10T02:45:53.470331Z"}]}}