{"id":"CVE-2026-19274","state":"PUBLISHED","title":"IBM Instana Observability is affected by multiple vulnerabilities within Instana Agent container image","description":"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.","publishedAt":"2026-09-04T15:49:34.101Z","updatedAt":"2026-09-04T17:28:51.304Z","severity":{"score":9.6,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H","source":"ibm"},"assigner":"ibm","products":["IBM Observability with Instana (Agent)"],"affected":[{"vendor":"IBM","product":"Observability with Instana (Agent)","versions":[{"version":"Build 1.0.303","status":"affected","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:*:*:*:*:*:*:*"]}],"references":["https://www.ibm.com/support/pages/node/7286070"],"weaknesses":["CWE-284"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/19xxx/CVE-2026-19274.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-19274","state":"PUBLISHED","datePublished":"2026-09-04T15:49:34.101Z","dateUpdated":"2026-09-04T17:28:51.304Z","assignerShortName":"ibm","assignerOrgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","dateReserved":"2026-08-07T14:40:58.421Z"},"containers":{"cna":{"title":"IBM Instana Observability is affected by multiple vulnerabilities within Instana Agent container image","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."}],"affected":[{"vendor":"IBM","product":"Observability with Instana (Agent)","versions":[{"version":"Build 1.0.303","status":"affected","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:*:*:*:*:*:*:*"]}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-284","lang":"en","description":"CWE-284 Improper Access Control","type":"CWE"}]}],"providerMetadata":{"shortName":"ibm","orgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","dateUpdated":"2026-09-04T15:49:34.101Z"},"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":[{"title":"CISA ADP Vulnrichment","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"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-04T17:28:51.304Z"}}]}}}