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HIGH

CVE-2026-19283

CVSS v3

7.7

HIGH

EPSS Score

0.3 %

exploit probability, as of 2026-09-28

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

IBM Observability with Instana (Agent) Build 1.0.303 through 1.0.323 IBM Instana Agent Operator could allow an authenticated remote attacker to obtain sensitive information, caused by missing destination namespace validation when copying etcd mTLS client credentials from the openshift-etcd system namespace into an attacker-controlled namespace.

Technical details

Published
2026-09-04
Last Modified
2026-09-04

Frequently asked questions

What is CVE-2026-19283?

IBM Observability with Instana (Agent) Build 1.0.303 through 1.0.323 IBM Instana Agent Operator could allow an authenticated remote attacker to obtain sensitive information, caused by missing destination namespace validation when copying etcd mTLS client credentials from the openshift-etcd system namespace into an attacker-controlled namespace.

Is CVE-2026-19283 actively exploited?

Active exploitation of CVE-2026-19283 has not been confirmed. Its EPSS score was 0.3% on 2026-09-28, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-19283?

CVE-2026-19283 has a CVSS v3 base score of 7.7 (HIGH severity).

Is CVE-2026-19283 affecting your environment?

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