Remote Information Disclosure Vulnerability in IBM Instana Agent
CVE-2026-19283

7.7HIGH

Key Information:

Vendor

IBM
Status
Observability With Instana (agent)
Vendor
CVE Published:
4 September 2026

What is CVE-2026-19283?

A vulnerability in IBM Instana Agent allows an authenticated remote attacker to access sensitive information due to inadequate namespace validation when transferring etcd mTLS client credentials. This could enable attackers to manipulate operations within their controlled namespace, ultimately compromising the integrity and confidentiality of sensitive data.

Affected Version(s)

Observability with Instana (Agent) Build 1.0.303 <= 1.0.323

References

https://www.ibm.com/support/pages/node/7286070
vendor-advisorypatch

CVSS V3.1

Score:
7.7
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.