{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-19625", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "state": "PUBLISHED", "assignerShortName": "ibm", "dateReserved": "2026-08-12T15:04:25.674Z", "datePublished": "2026-09-08T20:18:52.521Z", "dateUpdated": "2026-09-08T20:18:52.521Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-09-08T20:18:52.521Z"}, "title": "IBM Enterprise Build of Quarkus is affected by multiple vulnerabilities", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-284", "description": "CWE-284 Improper Access Control", "type": "CWE"}]}], "affected": [{"vendor": "IBM", "product": "Enterprise Build of Quarkus", "versions": [{"status": "affected", "version": "3.27.1", "lessThanOrEqual": "3.27.5", "versionType": "semver"}, {"status": "affected", "version": "3.33.1", "lessThanOrEqual": "3.33.3", "versionType": "semver"}], "cpes": ["cpe:2.3:a:ibm:enterprise_build_of_quarkus:3.27.1:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:enterprise_build_of_quarkus:3.27.5:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:enterprise_build_of_quarkus:3.33.1:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:enterprise_build_of_quarkus:3.33.3:*:*:*:*:*:*:*"]}], "descriptions": [{"lang": "en", "value": "When a Quarkus application has multiple endpoints secured by individual OIDC provider tenants, such as \"/oidc-provider1\" that is secured by the OIDC Provider 1 and \"/oidc-provider2\" that is secured by the OIDC Provider 2, and an optional token introspection cache is also enabled, then a valid token issued by the OIDC Provider 1 that can be used to access \"/oidc-provider1\" can also be used to access \"/oidc-provider2\" that is secured by another OIDC Provider 2.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>When a Quarkus application has multiple endpoints secured by individual OIDC provider tenants, such as \"/oidc-provider1\" that is secured by the OIDC Provider 1 and \"/oidc-provider2\" that is secured by the OIDC Provider 2, and an optional token introspection cache is also enabled, then a valid token issued by the OIDC Provider 1 that can be used to access \"/oidc-provider1\" can also be used to access \"/oidc-provider2\" that is secured by another OIDC Provider 2.</p>"}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7286498", "tags": ["vendor-advisory", "patch"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseSeverity": "MEDIUM", "baseScore": 5.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"}}], "solutions": [{"lang": "en", "value": "The issues are addressed in IBM Enterprise Build of Quarkus 3.27.5.SP1 and 3.33.3.SP1. To update your project to IBM Enterprise Build of Quarkus 3.27.5.SP1 or 3.33.3.SP1, follow the instructions in the product documentation https://www.ibm.com/docs/en/quarkus/3.27.x .", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>The issues are addressed in IBM Enterprise Build of Quarkus 3.27.5.SP1 and 3.33.3.SP1. To update your project to IBM Enterprise Build of Quarkus 3.27.5.SP1 or 3.33.3.SP1, follow the instructions in the <a href=\"https://www.ibm.com/docs/en/quarkus/3.27.x?topic=overview-learn-whats-new-in-327#proc_updating-quarkus-maven\" rel=\"nofollow\">product documentation</a>.</p>"}]}], "credits": [{"lang": "en", "value": "Michael Read (https://github.com/Michael-JRead) , Michael Read (https://github.com/Michael-JRead)", "type": "finder"}]}}}

{}

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:ibm:enterprise_build_of_quarkus:3.27.1:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:enterprise_build_of_quarkus:3.27.5:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:enterprise_build_of_quarkus:3.33.1:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:enterprise_build_of_quarkus:3.33.3:*:*:*:*:*:*:*"], "product": "Enterprise Build of Quarkus", "vendor": "IBM", "versions": [{"lessThanOrEqual": "3.27.5", "status": "affected", "version": "3.27.1", "versionType": "semver"}, {"lessThanOrEqual": "3.33.3", "status": "affected", "version": "3.33.1", "versionType": "semver"}]}], "source": "psirt@us.ibm.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "When a Quarkus application has multiple endpoints secured by individual OIDC provider tenants, such as \"/oidc-provider1\" that is secured by the OIDC Provider 1 and \"/oidc-provider2\" that is secured by the OIDC Provider 2, and an optional token introspection cache is also enabled, then a valid token issued by the OIDC Provider 1 that can be used to access \"/oidc-provider1\" can also be used to access \"/oidc-provider2\" that is secured by another OIDC Provider 2."}], "id": "CVE-2026-19625", "lastModified": "2026-09-09T15:41:55.983", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "psirt@us.ibm.com", "type": "Primary"}]}, "published": "2026-09-08T21:17:05.717", "references": [{"source": "psirt@us.ibm.com", "url": "https://www.ibm.com/support/pages/node/7286498"}], "sourceIdentifier": "psirt@us.ibm.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}], "source": "psirt@us.ibm.com", "type": "Primary"}]}

{"bugzilla": {"description": "quarkus-oidc: Quarkus OIDC: Cross-tenant authentication bypass via shared token-introspection cache", "id": "2517693", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2517693"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.7", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N", "status": "draft"}, "cwe": "CWE-524", "details": ["A flaw was found in Quarkus OIDC. A shared token-introspection cache can be exploited by a remote attacker to bypass authentication across different tenants. This allows unauthorized access to resources or data, leading to a cross-tenant authentication bypass."], "name": "CVE-2026-19625", "package_state": [{"cpe": "cpe:/a:redhat:exploit_intelligence:0", "fix_state": "Affected", "package_name": "exploit-intelligence-tech-preview/agent-client-rhel9", "product_name": "Exploit Intelligence"}, {"cpe": "cpe:/a:redhat:apicurio_registry:3", "fix_state": "Affected", "package_name": "quarkus-oidc", "product_name": "Red Hat build of Apicurio Registry 3"}, {"cpe": "cpe:/a:redhat:quarkus:3", "fix_state": "Affected", "package_name": "quarkus-oidc", "product_name": "Red Hat build of Quarkus"}], "public_date": "2026-08-31T11:55:20Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-19625\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-19625"], "statement": "Important: This flaw in Quarkus OIDC allows for cross-tenant authentication bypass due to a shared token-introspection cache. In multi-tenant deployments of Red Hat products utilizing Quarkus OIDC, an attacker could potentially gain unauthorized access to other tenants' resources by exploiting this shared cache mechanism.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": null}], "enrichment": {"confidence": 80.0, "confidence_source": "inferred", "scores": [{"score": 80.0, "source": "inferred"}]}, "product": "oidc", "vendor": "quarkus"}], "created": "2026-09-01T13:45:05.283730+00:00", "updated": "2026-09-09T09:45:08.840692+00:00", "vendors": ["quarkus", "quarkus$PRODUCT$oidc"]}