What is CVE-2026-15091?

CVE-2026-15091 is a critical-severity vulnerability in Ibm Engineering Ai Hub, classified under Cross-site Scripting. CVSS score: 9.3/10. Published 2026-07-17.

How severe is CVE-2026-15091?

Critical severity. CVSS v3 base score is 9.3 out of 10.

XSS in Ibm Engineering Ai Hub

CVE-2026-15091

IBM Engineering AI Hub 1.0.0, 1.1.0, and 1.2.0 could allow a remote attacker to execute arbitrary scripts due to improper neutralization of input during web page generation.

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N.

Affected products

Ibm Engineering Ai Hub — versions 1.0.0, 1.1.0, 1.2.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

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

Frequently asked questions

What is CVE-2026-15091?: CVE-2026-15091 is a critical-severity vulnerability in Ibm Engineering Ai Hub, classified under Cross-site Scripting. CVSS score: 9.3/10. Published 2026-07-17.
How severe is CVE-2026-15091?: Critical severity. CVSS v3 base score is 9.3 out of 10.