What is CVE-2026-1276?

CVE-2026-1276 is a medium-severity vulnerability in Ibm Qradar Siem, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-03-19.

How severe is CVE-2026-1276?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Ibm Qradar Siem

CVE-2026-1276

IBM QRadar SIEM 7.5.0 through 7.5.0 Update Package 14 is vulnerable to cross-site scripting. This vulnerability allows an authenticated user to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentia…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (11.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Ibm Qradar Siem — versions 7.5.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.ibm.com/support/pages/node/7266709 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-1276?: CVE-2026-1276 is a medium-severity vulnerability in Ibm Qradar Siem, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-03-19.
How severe is CVE-2026-1276?: Medium severity. CVSS v3 base score is 5.4 out of 10.