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01 Record

CVE-2026-16674

IBM i is Affected By Multiple Vulnerabilities in WebSphere Application Server Liberty

HighPUBLISHEDCNA: ibm
CNA base score8.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

02 Description

IBM i is Affected By Multiple Vulnerabilities in WebSphere Application Server Liberty

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
0.74% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 54.3% of scored records. A rank, not a probability.
NVD base score
8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Analyzed. NVD last modified this record on 2026-08-17.
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
2026-08-13 19:38Z2 MO AGO
Last updated
2026-08-14 18:08Z2 MO AGO
Reserved
2026-07-22
Assigning CNA
ibm
Record state
PUBLISHED
Severity
High (CVSS 8.8)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
Data version
5.2
Document digest
30cc459827ad622b68bf45793dd483ec99a385e39952042736fa41608ae9e882

05 Affected products

VendorProductVersionsPlatforms
IBMi7.6, 7.5, 7.4, 7.3—

06 References

07 Remediation

IBM strongly recommends addressing the vulnerability now. IBM i Release5770-SS1 Option 3 PTF Number(s)PTF Download Link(s)7.6SJ10874 SJ11023 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10874 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11023 7.5SJ10875 SJ11024 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10875 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11024 7.4SJ10876 SJ11025 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10876 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11025 7.3SJ10877 SJ11026 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10877 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11026 IBM recommends users running unsupported versions of affected products upgrade to a supported and fixed version of affected products.