CVE-2026-3621
published 2026-04-23CVE-2026-3621: IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.4 IBM WebSphere Application Server Liberty is vulnerable to identity spoofing under limited…
PriorityP434medium5.9CVSS 3.1
AVNACHPRNUINSUCNIHAN
EPSS
0.28%
19.8th percentile
IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.4 IBM WebSphere Application Server Liberty is vulnerable to identity spoofing under limited conditions when an application is deployed without authentication and authorization configured.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| ibm | websphere_application_server | >= 17.0.0.3 < 26.0.0.5 | 26.0.0.5 |
| ibm | websphere_application_server_liberty | 17.0.0.3 – 26.0.0.4 | — |
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-04-23
Published