{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-74243", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2026-08-14T19:46:37.191Z", "datePublished": "2026-08-14T22:43:06.342Z", "dateUpdated": "2026-08-14T22:43:06.342Z"}, "containers": {"cna": {"title": "Quay: unauthenticated secscan notification endpoint in quay when psk is unset", "metrics": [{"other": {"content": {"value": "Moderate", "namespace": "https://access.redhat.com/security/updates/classification/"}, "type": "Red Hat severity rating"}}, {"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L", "version": "3.1"}, "format": "CVSS"}], "descriptions": [{"lang": "en", "value": "A flaw was found in Red Hat Quay. When the SECURITY_SCANNER_V4_PSK (pre-shared key) is not set, a remote unauthenticated attacker can send POST requests to the security scanner notification endpoint. This allows the attacker to flood the notification queue and inject path traversal characters into Clair API URL paths. The primary consequence is worker resource exhaustion and blind path manipulation on the configured Clair host, potentially leading to a denial of service."}], "affected": [{"vendor": "Red Hat", "product": "Red Hat OpenShift Update Service", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openshift-update-service/openshift-update-service-rhel8", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:openshift_update_service:5"]}, {"vendor": "Red Hat", "product": "Red Hat Quay 3", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "quay/quay-rhel8", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:quay:3"]}, {"vendor": "Red Hat", "product": "Red Hat Quay 3", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "quay/quay-rhel9", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:quay:3"]}], "references": [{"url": "https://access.redhat.com/security/cve/CVE-2026-74243", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516142", "name": "RHBZ#2516142", "tags": ["issue-tracking", "x_refsource_REDHAT"]}], "datePublic": "2026-08-14T00:00:00.000Z", "problemTypes": [{"descriptions": [{"cweId": "CWE-306", "description": "Missing Authentication for Critical Function", "lang": "en", "type": "CWE"}]}], "x_redhatCweChain": "CWE-306: Missing Authentication for Critical Function", "workarounds": [{"lang": "en", "value": "To mitigate this vulnerability, configure the `SECURITY_SCANNER_V4_PSK` in your Red Hat Quay standalone installation. This pre-shared key enables authentication for the security scanner notification endpoint, preventing unauthenticated access. Refer to the Red Hat Quay documentation for instructions on setting this configuration parameter. A restart of the Quay service may be required for the changes to take effect."}], "timeline": [{"lang": "en", "time": "2026-08-03T09:28:14.000Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2026-08-14T00:00:00.000Z", "value": "Made public."}], "credits": [{"lang": "en", "value": "Red Hat would like to thank meifukun (https://github.com/meifukun) for reporting this issue."}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-08-14T22:43:06.342Z"}, "x_generator": {"engine": "cvelib 1.8.0"}}}}

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{"acknowledgement": "Red Hat would like to thank meifukun (https://github.com/meifukun) for reporting this issue.", "bugzilla": {"description": "quay: Unauthenticated secscan notification endpoint in Quay when PSK is unset", "id": "2516142", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516142"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L", "status": "draft"}, "cwe": "CWE-306", "details": ["A flaw was found in Red Hat Quay. When the SECURITY_SCANNER_V4_PSK (pre-shared key) is not set, a remote unauthenticated attacker can send POST requests to the security scanner notification endpoint. This allows the attacker to flood the notification queue and inject path traversal characters into Clair API URL paths. The primary consequence is worker resource exhaustion and blind path manipulation on the configured Clair host, potentially leading to a denial of service."], "mitigation": {"lang": "en:us", "value": "To mitigate this vulnerability, configure the `SECURITY_SCANNER_V4_PSK` in your Red Hat Quay standalone installation. This pre-shared key enables authentication for the security scanner notification endpoint, preventing unauthenticated access. Refer to the Red Hat Quay documentation for instructions on setting this configuration parameter. A restart of the Quay service may be required for the changes to take effect."}, "name": "CVE-2026-74243", "package_state": [{"cpe": "cpe:/a:redhat:openshift_update_service:5", "fix_state": "Fix deferred", "package_name": "openshift-update-service/openshift-update-service-rhel8", "product_name": "Red Hat OpenShift Update Service"}, {"cpe": "cpe:/a:redhat:quay:3", "fix_state": "Fix deferred", "package_name": "quay/quay-rhel8", "product_name": "Red Hat Quay 3"}, {"cpe": "cpe:/a:redhat:quay:3", "fix_state": "Fix deferred", "package_name": "quay/quay-rhel9", "product_name": "Red Hat Quay 3"}], "public_date": "2026-08-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-74243\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-74243"], "statement": "Moderate: This flaw in Red Hat Quay allows unauthenticated attackers to flood the security scanner notification endpoint, potentially leading to worker resource exhaustion and blind path manipulation on the configured Clair host. This risk is primarily present in standalone Quay installations where the `SECURITY_SCANNER_V4_PSK` is not explicitly configured, as operator-managed deployments automatically generate this key.", "threat_severity": "Moderate"}

{"created": "2026-08-15T00:30:16.861807+00:00", "updated": "2026-08-15T00:30:16.861812+00:00", "vendors": []}