CVE-2023-37404: IBM Observability with Instana code execution

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-10-04 · updated 2026-06-17

Description

IBM Observability with Instana 1.0.243 through 1.0.254 could allow an attacker on the network to execute arbitrary code on the host after a successful DNS poisoning attack. IBM X-Force ID: 259789.

Affected products

IBM Observability with Instana: from 1.0.243 before 1.0.255 — fixed in 1.0.255

How to fix

Upgrade to a fixed version: IBM Observability with Instana 1.0.255. Check the vendor advisory for mitigations.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/259789
https://www.ibm.com/support/pages/node/7041863
https://exchange.xforce.ibmcloud.com/vulnerabilities/259789
https://www.ibm.com/support/pages/node/7041863

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