PT-2026-42010 · Ibm · Ibm Websphere Application Server Liberty+1

Published 2026-05-19 · Updated 2026-06-02 · CVE-2026-5516

Positive Technologies (AI Summary)

CVSS v3.1

5.9

Medium

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions IBM WebSphere Application Server - Liberty versions 22.0.0.11 through 26.0.0.5

Description IBM WebSphere Application Server Liberty contains a flaw that could allow a remote attacker to bypass security under limited conditions by exploiting a specific timing window.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Race Condition

Weakness Enumeration

CWE-362

Related Identifiers

CVE-2026-5516

Affected Products

Ibm Websphere Application Server Liberty

Ibm Websphere Application Server

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-5516 · Security Note
• https://t.me/cveNotify/165662 · Telegram Post
• https://ibm.com/support/pages/node/7273425 · Vendor Advisory, Patch
• https://twitter.com/knaepp/status/2056779426474414572 · Twitter Post