CVE-2026-128824

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{}

{"affected": [{"affectedData": [{"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:mirror_registry:2"], "defaultStatus": "affected", "packageName": "openshift/mirror-registry-rhel8", "product": "mirror registry for Red Hat OpenShift 2", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:quay:3"], "defaultStatus": "affected", "packageName": "quay/quay-rhel9", "product": "Red Hat Quay 3", "vendor": "Red Hat"}], "source": "secalert@redhat.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw was found in Red Hat Quay. The v1 registry API error handler reflects the attacker-supplied image_id path segment in a response served as text/html, allowing a reflected cross-site scripting (XSS) attack. By tricking a user into visiting a specially crafted URL, a remote attacker can execute arbitrary JavaScript in the victim's browser within the Quay origin, potentially compromising the user's session."}], "id": "CVE-2026-128824", "lastModified": "2026-11-13T09:17:34.677", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.5, "source": "secalert@redhat.com", "type": "Primary"}]}, "published": "2026-11-13T09:17:34.560", "references": [{"source": "secalert@redhat.com", "url": "https://access.redhat.com/security/cve/CVE-2026-128824"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2572952"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "secalert@redhat.com", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Zachariah Mithani (AploSec) for reporting this issue.", "bugzilla": {"description": "quay: quay: reflected XSS via image_id in v1 registry error responses", "id": "2572952", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2572952"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.4", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N", "status": "draft"}, "cwe": "CWE-79", "details": ["A flaw was found in Red Hat Quay. The v1 registry API error handler reflects the attacker-supplied image_id path segment in a response served as text/html, allowing a reflected cross-site scripting (XSS) attack. By tricking a user into visiting a specially crafted URL, a remote attacker can execute arbitrary JavaScript in the victim's browser within the Quay origin, potentially compromising the user's session."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}, "name": "CVE-2026-128824", "package_state": [{"cpe": "cpe:/a:redhat:mirror_registry:2", "fix_state": "Fix deferred", "package_name": "openshift/mirror-registry-rhel8", "product_name": "mirror registry for Red Hat OpenShift 2"}, {"cpe": "cpe:/a:redhat:quay:3", "fix_state": "Fix deferred", "package_name": "quay/quay-rhel9", "product_name": "Red Hat Quay 3"}], "public_date": "2026-11-13T08:13:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-128824\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-128824"], "statement": "A reflected cross-site scripting flaw was found in Quay's v1 registry error handling. Error responses reflect the attacker-supplied image_id path segment and are served as text/html, allowing arbitrary JavaScript execution in the Quay origin when a victim follows crafted links. Exploitation requires user interaction and anonymous access to a public repository, which is enabled by default.", "threat_severity": "Moderate"}

{}