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01 Record

CVE-2026-15057

IBM WebSphere Application Server Liberty is affected by a denial of service vulnerability

HighPUBLISHEDCNA: ibm
CNA base score7.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

02 Description

IBM WebSphere Application Server Liberty is affected by a denial of service vulnerability

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.
  • AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
  • Technical ImpactpartialSuccessful exploitation gives limited 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
0.46% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 39.6% of scored records. A rank, not a probability.
NVD base score
7.5 (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:N/I:N/A:H
NVD analysis status
Analyzed. NVD last modified this record on 2026-10-23.
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
2026-07-28 20:11Z3 MO AGO
Last updated
2026-07-29 13:58Z3 MO AGO
Reserved
2026-07-08
Assigning CNA
ibm
Record state
PUBLISHED
Severity
High (CVSS 7.5)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
Data version
5.2
Document digest
ab85b7fb72958ffe166006cc5a56dff1bdc3251f34e778eb986f37615677125e

05 Affected products

VendorProductVersionsPlatforms
IBMWebSphere Application Server - Liberty17.0.0.3 to 26.0.0.7—

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 PH72167. 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. For IBM WebSphere Application Server Liberty 17.0.0.3 - 26.0.0.7 using the servlet-3.1, servlet-4.0, servlet-5.0, servlet-6.0, or servlet-6.1 feature(s) : · Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH72167--OR--· Apply Liberty Fix Pack 26.0.0.8 or later (targeted availability 3Q2026). Additional interim fixes may be available and linked off the interim fix download page.