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        "cveId": "CVE-2026-16910",
        "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "state": "PUBLISHED",
        "assignerShortName": "redhat",
        "dateReserved": "2026-07-24T06:26:22.299Z",
        "datePublished": "2026-07-24T06:36:18.918Z",
        "dateUpdated": "2026-07-24T10:55:46.478Z"
    },
    "containers": {
        "cna": {
            "title": "Quay: ssrf in red hat quay notification webhooks (slack/generic)",
            "metrics": [
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                    "other": {
                        "content": {
                            "value": "Moderate",
                            "namespace": "https://access.redhat.com/security/updates/classification/"
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                        "attackVector": "NETWORK",
                        "availabilityImpact": "NONE",
                        "baseScore": 5.5,
                        "baseSeverity": "MEDIUM",
                        "confidentialityImpact": "LOW",
                        "integrityImpact": "LOW",
                        "privilegesRequired": "HIGH",
                        "scope": "CHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N",
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            "descriptions": [
                {
                    "lang": "en",
                    "value": "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."
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                    "product": "Red Hat OpenShift Update Service",
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                    "packageName": "openshift-update-service/openshift-update-service-rhel8",
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                    "cpes": [
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                    "vendor": "Red Hat",
                    "product": "Red Hat Quay 3",
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                    "packageName": "quay/quay-rhel8",
                    "defaultStatus": "unknown",
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                    "product": "Red Hat Quay 3",
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                    "packageName": "quay/quay-rhel9",
                    "defaultStatus": "affected",
                    "cpes": [
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            "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",
                    "name": "RHBZ#2506685",
                    "tags": [
                        "issue-tracking",
                        "x_refsource_REDHAT"
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            ],
            "datePublic": "2026-07-07T00:00:00.000Z",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-918",
                            "description": "Server-Side Request Forgery (SSRF)",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "x_redhatCweChain": "CWE-918: Server-Side Request Forgery (SSRF)",
            "workarounds": [
                {
                    "lang": "en",
                    "value": "Restrict network egress from Quay worker pods/containers using network policies or firewall rules to block outbound connections to internal network ranges (10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16) and cloud metadata endpoints (169.254.169.254). Limit repository creation and admin privileges to trusted users. Configure WEBHOOK_HOSTNAME_BLACKLIST in Quay config to include known internal hostnames and IP ranges."
                }
            ],
            "timeline": [
                {
                    "lang": "en",
                    "time": "2026-07-24T06:09:13.826Z",
                    "value": "Reported to Red Hat."
                },
                {
                    "lang": "en",
                    "time": "2026-07-07T00:00:00.000Z",
                    "value": "Made public."
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Red Hat would like to thank Martin Brodeur for reporting this issue."
                }
            ],
            "providerMetadata": {
                "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
                "shortName": "redhat",
                "dateUpdated": "2026-07-24T06:36:18.918Z"
            },
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        },
        "adp": [
            {
                "metrics": [
                    {
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                                "timestamp": "2026-07-24T10:55:31.656441Z",
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                                    {
                                        "Exploitation": "none"
                                    },
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                                        "Automatable": "no"
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                                        "Technical Impact": "partial"
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                "title": "CISA ADP Vulnrichment",
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