{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-19274", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "state": "PUBLISHED", "assignerShortName": "ibm", "dateReserved": "2026-08-07T14:40:58.421Z", "datePublished": "2026-09-04T15:49:34.101Z", "dateUpdated": "2026-09-04T17:28:51.304Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-09-04T15:49:34.101Z"}, "title": "IBM Instana Observability is affected by multiple vulnerabilities within Instana Agent container image", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-284", "description": "CWE-284 Improper Access Control", "type": "CWE"}]}], "affected": [{"vendor": "IBM", "product": "Observability with Instana (Agent)", "versions": [{"status": "affected", "version": "Build 1.0.303", "lessThanOrEqual": "1.0.323", "versionType": "semver"}], "cpes": ["cpe:2.3:a:ibm:observability_with_instana_agent:build:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:observability_with_instana_agent:1.0.323:*:*:*:*:*:*:*"]}], "descriptions": [{"lang": "en", "value": "IBM Observability with Instana (Agent) Build 1.0.303 through 1.0.323 IBM Instana Agent Operator could allow an authenticated Kubernetes tenant to hijack or permanently destroy another tenant's cluster-level RBAC permissions, caused by cluster-scoped RBAC objects being keyed solely by the bare CR name with no namespace disambiguation, allowing a same-named `InstanaAgent` CR in an attacker-controlled namespace to silently overwrite the shared `ClusterRoleBinding` or delete it outright and revoke the victim agent's cluster monitoring access.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>IBM Observability with Instana (Agent) Build 1.0.303 through 1.0.323 IBM Instana Agent Operator could allow an authenticated Kubernetes tenant to hijack or permanently destroy another tenant's cluster-level RBAC permissions, caused by cluster-scoped RBAC objects being keyed solely by the bare CR name with no namespace disambiguation, allowing a same-named `InstanaAgent` CR in an attacker-controlled namespace to silently overwrite the shared `ClusterRoleBinding` or delete it outright and revoke the victim agent's cluster monitoring access.</p>"}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7286070", "tags": ["vendor-advisory", "patch"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "CRITICAL", "baseScore": 9.6, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H"}}], "solutions": [{"lang": "en", "value": "IBM strongly recommends addressing these vulnerabilities now by updating IBM Observability with Instana to the latest release as described here:\n\n\n\n https://www.ibm.com/docs/en/instana-observability/saas?topic=agents-updating-host \n\nAffected Product(s)Version(s)Remediation/Fixes/InstructionsIBM Observability with Instana (Agent)Build 1.0.303 to 1.0.323Build 1.0.324", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>IBM strongly recommends addressing these vulnerabilities now by updating IBM Observability with Instana to the latest release as described here:</p><p><a href=\"https://www.ibm.com/docs/en/instana-observability/saas?topic=agents-updating-host\" rel=\"nofollow\">https://www.ibm.com/docs/en/instana-observability/saas?topic=agents-updating-host</a></p><div><div><div><table><colgroup><col/><col/><col/></colgroup><tbody><tr><td>Affected Product(s)</td><td>Version(s)</td><td>Remediation/Fixes/Instructions</td></tr><tr><td>IBM Observability with Instana (Agent)</td><td>Build 1.0.303 to 1.0.323</td><td>Build 1.0.324</td></tr></tbody></table></div></div></div>"}]}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-04T17:28:42.625868Z", "id": "CVE-2026-19274", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-04T17:28:51.304Z"}}]}}

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{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:ibm:observability_with_instana_agent:build:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:observability_with_instana_agent:1.0.323:*:*:*:*:*:*:*"], "product": "Observability with Instana (Agent)", "vendor": "IBM", "versions": [{"lessThanOrEqual": "1.0.323", "status": "affected", "version": "Build 1.0.303", "versionType": "semver"}]}], "source": "psirt@us.ibm.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "IBM Observability with Instana (Agent) Build 1.0.303 through 1.0.323 IBM Instana Agent Operator could allow an authenticated Kubernetes tenant to hijack or permanently destroy another tenant's cluster-level RBAC permissions, caused by cluster-scoped RBAC objects being keyed solely by the bare CR name with no namespace disambiguation, allowing a same-named `InstanaAgent` CR in an attacker-controlled namespace to silently overwrite the shared `ClusterRoleBinding` or delete it outright and revoke the victim agent's cluster monitoring access."}], "id": "CVE-2026-19274", "lastModified": "2026-09-04T16:17:21.650", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.6, "baseSeverity": "CRITICAL", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 5.8, "source": "psirt@us.ibm.com", "type": "Primary"}]}, "published": "2026-09-04T16:17:21.650", "references": [{"source": "psirt@us.ibm.com", "url": "https://www.ibm.com/support/pages/node/7286070"}], "sourceIdentifier": "psirt@us.ibm.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}], "source": "psirt@us.ibm.com", "type": "Primary"}]}

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