{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-3303", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "state": "PUBLISHED", "assignerShortName": "ibm", "dateReserved": "2026-02-26T20:38:02.721Z", "datePublished": "2026-10-19T17:17:45.343Z", "dateUpdated": "2026-10-19T17:17:45.343Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-10-19T17:17:45.343Z"}, "title": "IBM Concert Software Permissive Cross-domain Security Policy", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-942", "description": "CWE-942 Permissive Cross-domain Security Policy with Untrusted Domains", "type": "CWE"}]}], "affected": [{"vendor": "IBM", "product": "Concert", "versions": [{"status": "affected", "version": "1.0.0", "lessThanOrEqual": "3.0.0", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "IBM Concert 1.0 through 3.0.0 uses cross-origin resource sharing (CORS) which could allow an attacker to carry out privileged actions as the domain name is not being limited to only trusted domains.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>IBM Concert 1.0 through 3.0.0 uses cross-origin resource sharing (CORS) which could allow an attacker to carry out privileged actions as the domain name is not being limited to only trusted domains.</p>"}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7292374", "tags": ["vendor-advisory", "patch"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseSeverity": "LOW", "baseScore": 3.7, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"}}], "solutions": [{"lang": "en", "value": "IBM strongly recommends addressing these vulnerabilities now by upgrading to IBM Concert Software 3.0.1.1\nDownload IBM Concert Software 3.0.1.1 from Container software library section of IBM Entitled Registry (ICR) and follow installation instructions depending on the type of deployment.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>IBM strongly recommends addressing these vulnerabilities now by upgrading to IBM Concert Software 3.0.1.1</p><p>Download IBM Concert Software 3.0.1.1 from Container software library section of IBM Entitled Registry (<a href=\"https://myibm.ibm.com/products-services/containerlibrary\" rel=\"noopener noreferrer nofollow\">ICR</a>) and follow\u00a0<a href=\"https://www.ibm.com/docs/en/concert?topic=installing-preparing-run-installs-from-private-container-registry\" rel=\"noopener noreferrer nofollow\">installation instructions</a>\u00a0depending on the type of deployment.</p>"}]}], "cpeApplicability": [{"operator": "OR", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:ibm:concert:*:*:*:*:*:*:*:*", "versionStartIncluding": "1.0.0", "versionEndIncluding": "3.0.0"}]}]}]}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Concert", "vendor": "IBM", "versions": [{"lessThanOrEqual": "3.0.0", "status": "affected", "version": "1.0.0", "versionType": "semver"}]}], "source": "psirt@us.ibm.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "IBM Concert 1.0 through 3.0.0 uses cross-origin resource sharing (CORS) which could allow an attacker to carry out privileged actions as the domain name is not being limited to only trusted domains."}], "id": "CVE-2026-3303", "lastModified": "2026-10-19T18:17:07.387", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 1.4, "source": "psirt@us.ibm.com", "type": "Primary"}]}, "published": "2026-10-19T18:17:07.387", "references": [{"source": "psirt@us.ibm.com", "url": "https://www.ibm.com/support/pages/node/7292374"}], "sourceIdentifier": "psirt@us.ibm.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-942"}], "source": "psirt@us.ibm.com", "type": "Primary"}]}

{}

{"created": "2026-10-19T18:30:02.314734+00:00", "updated": "2026-10-19T18:30:02.314739+00:00", "vendors": []}