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PatchSiren cyber security CVE debrief

CVE-2026-14981 IBM CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-28T21:17:27.090Z and has not been modified since then. The denial of service vulnerability in the HTTP channel of IBM WebSphere Application Server 9.0, 8.5, and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 is due to unbounded allocation of resources without limits. This vulnerability has a CVSS score of 7.5 and is classified as HIGH severity. Organizations using these servers should be aware of this vulnerability and take steps to mitigate it. The CVE record indicates a potential denial of service attack, and users should review and update their inventory of IBM WebSphere Application Server instances to ensure they are running patched versions.

Vendor
IBM
Product
WebSphere Application Server
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-28
Original CVE updated
2026-08-05
Advisory published
2026-07-28
Advisory updated
2026-08-05

Who should care

Organizations using IBM WebSphere Application Server 9.0, 8.5, and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 should be aware of this denial of service vulnerability and take steps to mitigate it.

Technical summary

IBM WebSphere Application Server 9.0, 8.5, and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 are affected by a denial of service vulnerability in the HTTP channel due to unbounded allocation of resources without limits. This vulnerability has a CVSS score of 7.5 and is classified as HIGH severity.

Defensive priority

Organizations using IBM WebSphere Application Server 9.0, 8.5, and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 should prioritize patching to prevent potential denial of service attacks.

Recommended defensive actions

  • Apply patches or updates provided by IBM to address the denial of service vulnerability
  • Review and update inventory of IBM WebSphere Application Server instances to ensure they are running patched versions
  • Monitor server logs for unusual activity indicative of potential exploitation attempts

Evidence notes

The CVE record indicates a denial of service vulnerability in the HTTP channel of IBM WebSphere Application Server 9.0, 8.5, and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 due to unbounded allocation of resources without limits. The CVSS score is 7.5 with a HIGH severity.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-28T21:17:27.090Z and has not been modified since then.