{"api_version":"1","generated_at":"2026-09-11T09:16:50+00:00","cve":"CVE-2026-89060","urls":{"html":"https://cve.report/CVE-2026-89060","api":"https://cve.report/api/cve/CVE-2026-89060.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-89060","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-89060"},"summary":{"title":"Stolostron/multicluster-observability-addon: cross-namespace secret disclosure in multicluster-observability-addon via unvalidated configuration references","description":"A flaw was found in multicluster-observability-addon. This vulnerability allows a managed-cluster identity to reference configuration resources outside its designated namespace. This can lead to the disclosure of sensitive hub Secrets to an attacker-controlled managed cluster.","state":"PUBLISHED","assigner":"redhat","published_at":"2026-09-11 05:16:38","updated_at":"2026-09-11 05:16:38"},"problem_types":["CWE-551","CWE-551 Incorrect Behavior Order: Authorization Before Parsing and Canonicalization"],"metrics":[{"version":"3.1","source":"secalert@redhat.com","type":"Primary","score":"7.7","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","baseScore":7.7,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"7.7","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","data":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.7,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","version":"3.1"}}],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2026-89060","name":"https://access.redhat.com/security/cve/CVE-2026-89060","refsource":"secalert@redhat.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/stolostron/multicluster-observability-addon/pull/644","name":"https://github.com/stolostron/multicluster-observability-addon/pull/644","refsource":"secalert@redhat.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2531596","name":"https://bugzilla.redhat.com/show_bug.cgi?id=2531596","refsource":"secalert@redhat.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-89060","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89060","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Red Hat","product":"Red Hat Advanced Cluster Management for Kubernetes 2","version":"","platforms":[]}],"timeline":[{"source":"CNA","time":"2026-09-10T18:31:57.158Z","lang":"en","value":"Reported to Red Hat."},{"source":"CNA","time":"2026-09-10T00:00:00.000Z","lang":"en","value":"Made public."}],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:acm:2"],"defaultStatus":"affected","packageName":"rhacm2/acm-multicluster-observability-addon-rhel9","product":"Red Hat Advanced Cluster Management for Kubernetes 2","vendor":"Red Hat"}],"datePublic":"2026-09-10T00:00:00.000Z","descriptions":[{"lang":"en","value":"A flaw was found in multicluster-observability-addon. This vulnerability allows a managed-cluster identity to reference configuration resources outside its designated namespace. This can lead to the disclosure of sensitive hub Secrets to an attacker-controlled managed cluster."}],"metrics":[{"other":{"content":{"namespace":"https://access.redhat.com/security/updates/classification/","value":"Important"},"type":"Red Hat severity rating"}},{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.7,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","version":"3.1"},"format":"CVSS"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-551","description":"Incorrect Behavior Order: Authorization Before Parsing and Canonicalization","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-09-11T04:42:30.275Z","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","shortName":"redhat"},"references":[{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-89060"},{"name":"RHBZ#2531596","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2531596"},{"url":"https://github.com/stolostron/multicluster-observability-addon/pull/644"}],"timeline":[{"lang":"en","time":"2026-09-10T18:31:57.158Z","value":"Reported to Red Hat."},{"lang":"en","time":"2026-09-10T00:00:00.000Z","value":"Made public."}],"title":"Stolostron/multicluster-observability-addon: cross-namespace secret disclosure in multicluster-observability-addon via unvalidated configuration references","x_generator":{"engine":"cvelib 1.8.0"},"x_redhatCweChain":"CWE-551: Incorrect Behavior Order: Authorization Before Parsing and Canonicalization"}},"cveMetadata":{"assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","assignerShortName":"redhat","cveId":"CVE-2026-89060","datePublished":"2026-09-11T04:22:47.524Z","dateReserved":"2026-09-10T18:21:30.542Z","dateUpdated":"2026-09-11T04:42:30.275Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-11 05:16:38","lastModifiedDate":"2026-09-11 05:16:38","problem_types":["CWE-551","CWE-551 Incorrect Behavior Order: Authorization Before Parsing and Canonicalization"],"metrics":{"cvssMetricV31":[{"source":"secalert@redhat.com","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","baseScore":7.7,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":3.1,"impactScore":4}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"89060","Ordinal":"1","Title":"Stolostron/multicluster-observability-addon: cross-namespace sec","CVE":"CVE-2026-89060","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"89060","Ordinal":"1","NoteData":"A flaw was found in multicluster-observability-addon. This vulnerability allows a managed-cluster identity to reference configuration resources outside its designated namespace. This can lead to the disclosure of sensitive hub Secrets to an attacker-controlled managed cluster.","Type":"Description","Title":"Stolostron/multicluster-observability-addon: cross-namespace sec"}]}}}