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CVE-2026-15280 IBM CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-28T21:17:27.640Z and has not been modified since then. CVE-2026-15280 is a HIGH-severity vulnerability in IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 ND Collective Controller. It is caused by a path-segment injection vulnerability in the collective routing mechanism. The CVSS score is 7.5. Organizations using IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 ND Collective Controller should prioritize patching due to the HIGH severity of this vulnerability. The CVE record indicates a path-segment injection vulnerability in IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 ND Collective Controller. Evidence is based on official CVE and NVD records, as well as a vendor advisory. IBM WebSphere Application Server - Liberty users, particularly those with installations in the 17.0.0.3 through 26.0.0.8 ND Collective Controller range, should be aware of this vulnerability and take necessary actions to mitigate the risk.

Vendor
IBM
Product
WebSphere Application Server - Liberty
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

IBM WebSphere Application Server - Liberty users, particularly those with installations in the 17.0.0.3 through 26.0.0.8 ND Collective Controller range, should be aware of this vulnerability and take necessary actions to mitigate the risk.

Technical summary

CVE-2026-15280 is a HIGH-severity vulnerability in IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 ND Collective Controller. It is caused by a path-segment injection vulnerability in the collective routing mechanism. The CVSS score is 7.5.

Defensive priority

Organizations using IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 ND Collective Controller should prioritize patching due to the HIGH severity of this vulnerability.

Recommended defensive actions

  • Inventory and triage: Identify and assess IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 ND Collective Controller installations.
  • Patch or upgrade: Apply the necessary patches or upgrades to affected systems as recommended by IBM.
  • Verify and monitor: Verify the effectiveness of patches and monitor for potential exploitation attempts.

Evidence notes

The CVE-2026-15280 record indicates a path-segment injection vulnerability in IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 ND Collective Controller. Evidence is based on official CVE and NVD records, as well as a vendor advisory.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-28T21:17:27.640Z and has not been modified since then.