Vulnerability details

CVE-2026-93909

IBM WebSphere Application Server - Liberty

IBM WebSphere Application Server Liberty is affected by an authentication bypass

CVSS 3.1

9.1Critical

Official description

IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.10 is vulnerable by an authentication bypass vulnerability when samlWeb-2.0 feature is enabled.

CVSS scores

Score	Version	Source	Vector
9.1Critical	3.1	CVEProject cvelistV5 (CNA) (ibm)	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N`

Affected products

Vendor	Product	Versions	Source
IBM	WebSphere Application Server - Liberty	17.0.0.3 ≤ v ≤ 26.0.0.10	CVEProject cvelistV5 (CNA)

References and advisories

https://www.ibm.com/support/pages/node/7292236 vendor-advisorypatch

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Details

Published: 2026-10-13
Last updated: 2026-10-14
State: Published
Assigner (CNA): ibm
Kolun priority: 21 · Low

Exploit prediction (EPSS)

0.33%

Probability of exploitation in 30 days

27.2%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: Yes
Exploitation: None
Technical impact: Total

Weaknesses (CWE)

CWE-384
Session Fixation