What is CVE-2026-14893?

CVE-2026-14893 is a high-severity vulnerability in IBM Observability With Instana (Agent), classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 7.3/10. Published 2026-07-28.

How severe is CVE-2026-14893?

High severity. CVSS v3 base score is 7.3 out of 10.

Prototype Pollution in IBM Observability With Instana (Agent)

CVE-2026-14893

IBM Observability with Instana (Agent) Build 1.0.303 through 1.0.320 IBM Instana Node.js tracer component @instana/core version 6.2.1 is vulnerable to prototype pollution through its configuration normalization API.

Vulnerability class: Prototype Pollution

EPSS: 0.002 (10.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L.

Affected products

Ibm Observability With Instana (Agent) — versions Build 1.0.303

Weakness classification (CWE)

CWE-1321 — Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution)

References

psirt@us.ibm.com (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-14893?: CVE-2026-14893 is a high-severity vulnerability in IBM Observability With Instana (Agent), classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 7.3/10. Published 2026-07-28.
How severe is CVE-2026-14893?: High severity. CVSS v3 base score is 7.3 out of 10.