CVE-2026-19646

CVE-2026-19646

Critical · published September 11, 2026

CVSS v3.1
9.1
EPSS
0%
Percentile
30.4
In the wild
Unconfirmed
What it is

IBM Common Licensing Agent 9.0, Agent 9.0.0.1, Agent 9.0.0.2, ART 9.0, ART 9.0.0.1, and ART 9.0.0.2 could allow a remote attacker to redirect users to an arbitrary domain due to improper validation of the HTTP Host header.

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00376 · 30.4th percentile
Published
2026-09-11T02:16Z
References (1)
https://www.ibm.com/support/pages/node/7286490 · [email protected]
EPSS history
Timeline
  • 12 SEP 03:19Z
    EPSS moved — → 1%
    epss
  • 10 SEP 22:02Z
    Multiple vulnerabilities affect IBM License Key Server Administration and Reporting Tool and IBM LKS Administration Agent
    cvelistv5