{"id":"CVE-2026-16910","aliases":["EUVD-2026-48503","GHSA-6j6h-vfwh-mxgx"],"status":"published","title":"Quay: ssrf in red hat quay notification webhooks (slack/generic)","description":"A flaw was found in Red Hat Quay's notification webhook feature. The Slack and generic webhook notification handlers accept user-supplied URLs without SSRF validation, allowing a repository administrator to make the Quay worker issue POST requests to internal network addresses or cloud infrastructure endpoints that should not be reachable from the application.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00288,"percentile":0.21516,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-918"],"published":"2026-07-24T06:36:18Z","modified":"2026-11-01T05:06:49Z","products":[{"vendor":"red hat","product":"red hat openshift update service"},{"vendor":"red hat","product":"red hat quay 3"}],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2026-16910","tags":["vdb-entry","x_refsource_REDHAT"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2506685","tags":["issue-tracking","x_refsource_REDHAT"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-16910"},{"url":"https://github.com/advisories/GHSA-6j6h-vfwh-mxgx"}],"sources":{"cve":[{"id":"CVE-2026-16910","title":"Quay: ssrf in red hat quay notification webhooks (slack/generic)","description":"A flaw was found in Red Hat Quay's notification webhook feature. The Slack and generic webhook notification handlers accept user-supplied URLs without SSRF validation, allowing a repository administrator to make the Quay worker issue POST requests to internal network addresses or cloud infrastructure endpoints that should not be reachable from the application.","status":"published","published":"2026-07-24T06:36:18.918Z","modified":"2026-11-01T05:06:49.126Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:20:10.870108Z"}],"euvd":[{"id":"EUVD-2026-48503","description":"A flaw was found in Red Hat Quay's notification webhook feature. The Slack and generic webhook notification handlers accept user-supplied URLs without SSRF validation, allowing a repository administrator to make the Quay worker issue POST requests to internal network addresses or cloud infrastructure endpoints that should not be reachable from the application.","status":"published","published":"2026-07-24T06:36:18Z","modified":"2026-11-01T05:06:49Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T16:58:49.629727Z"}],"ghsa":[{"id":"GHSA-6j6h-vfwh-mxgx","title":"A flaw was found in Red Hat Quay's notification webhook feature. The Slack and generic webhook...","description":"A flaw was found in Red Hat Quay's notification webhook feature. The Slack and generic webhook notification handlers accept user-supplied URLs without SSRF validation, allowing a repository administrator to make the Quay worker issue POST requests to internal network addresses or cloud infrastructure endpoints that should not be reachable from the application.","status":"published","published":"2026-07-24T09:32:15Z","modified":"2026-07-24T09:32:16Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T15:09:45.939583Z"}],"nvd":[{"id":"CVE-2026-16910","description":"A flaw was found in Red Hat Quay's notification webhook feature. The Slack and generic webhook notification handlers accept user-supplied URLs without SSRF validation, allowing a repository administrator to make the Quay worker issue POST requests to internal network addresses or cloud infrastructure endpoints that should not be reachable from the application.","status":"published","published":"2026-07-24T08:16:26.79Z","modified":"2026-07-24T20:49:03.14Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:12:32.473901Z"}]}}