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01 Record

CVE-2026-93895

IBM WebSphere Application Server Liberty Improper Access Control

CriticalPUBLISHEDCNA: ibm
CNA base score9.1 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

02 Description

IBM WebSphere Application Server Liberty Improper Access Control

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.39% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 33.3% of scored records. A rank, not a probability.
NVD base score
9.1 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
NVD analysis status
Undergoing Analysis. NVD last modified this record on 2026-10-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-10-13 20:18Z15 DAYS AGO
Last updated
2026-10-17 00:49Z12 DAYS AGO
Reserved
2026-09-18
Assigning CNA
ibm
Record state
PUBLISHED
Severity
Critical (CVSS 9.1)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weaknesses
  • CWE-284Improper Access ControlPillar
Data version
5.2
Document digest
4d3411428811e1dc762dab96d9418ea667a09cf4c4935ae6d31477e1f1570e3a

05 Affected products

VendorProductVersionsPlatforms
IBMWebSphere Application Server - Liberty20.0.0.12 to 26.0.0.10—

06 References

07 Remediation

IBM strongly recommends addressing the vulnerability now by applying a currently available interim fix or fix pack that contains the fix for APAR DT502929. To determine if a feature is enabled for IBM WebSphere Application Server Liberty, refer to How to determine if Liberty is using a specific feature https://www.ibm.com/support/pages/node/6553910 . For IBM WebSphere Application Server Liberty 20.0.0.12 - 26.0.0.10 using the grpc-1.0 feature: · Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves DT502929 https://www.ibm.com/support/pages/node/7277460 --OR-- · Apply Liberty Fix Pack 26.0.0.11 or later (targeted availability 4Q2026). Additional interim fixes may be available and linked off the interim fix download page.