IBM Observability with Instana up to 1.0.323 Instana Agent Operator privileges management

Summaryinfo

A vulnerability, which was classified as problematic, has been found in IBM Observability with Instana up to 1.0.323. Affected by this vulnerability is an unknown functionality of the component Instana Agent Operator. This manipulation causes privileges management. The identification of this vulnerability is CVE-2026-19274. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in IBM Observability with Instana up to 1.0.323. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component Instana Agent Operator. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at ibm.com. This vulnerability is known as CVE-2026-19274 since 08/07/2026. The exploitation appears to be easy. The attack can be launched remotely. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 09/04/2026). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• IBM

Name

• Observability with Instana

Version

• 1.0.323

License

• commercial

Website

• Vendor: https://www.ibm.com/

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