CVE-2026-3621

MEDIUM
MEDIUM Priority: 0.02 BB Relevance: 62/100
Published: 2026-04-23 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Network No Auth No Interaction Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: High
PR: None
UI: None
S: Unchanged
C: None
I: High
A: None

Description

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.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
ibm websphere_application_server 17.0.0.3 – 26.0.0.5

References & Advisories (1)

Bug Bounty Relevance

62 / 100
✓ Network accessible
✓ No authentication
✓ No user interaction

CVSS Score

5.9 / 10.0 v3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS — Exploitation Probability

0.28%
Raw Score 0.002760
Percentile 20.0%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00276
2026-10-28
0.00276

Intelligence Sources

nvd ref →