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PatchSiren cyber security CVE debrief

CVE-2026-7876 IBM CVE debrief

IBM Aspera HSTS for Cloud Pak for Integration (CP4I) versions 1.5.1 through 1.5.19 contains an improper authentication vulnerability (CWE-287). The vulnerability was published by IBM PSIRT and indexed by NVD on 2026-05-27. No CVSS score or severity rating has been assigned as of the CVE modification time (2026-05-27T14:53:51.833Z); NVD status remains 'Awaiting Analysis'. The affected product is IBM Aspera HSTS, a high-speed transfer server component used within IBM's Cloud Pak for Integration platform. Organizations running affected versions should monitor IBM's security bulletin for patch availability and apply updates when released.

Vendor
IBM
Product
Aspera HSTS for CP4I
CVSS
CRITICAL 9.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-05-27
Original CVE updated
2026-06-11
Advisory published
2026-05-27
Advisory updated
2026-06-11

Who should care

Organizations operating IBM Cloud Pak for Integration with Aspera HSTS components, particularly those on versions 1.5.1-1.5.19. Security teams responsible for IBM middleware and file transfer infrastructure. Compliance teams tracking authentication-related vulnerabilities in enterprise integration platforms.

Technical summary

IBM Aspera HSTS (High-Speed Transfer Server) versions 1.5.1 through 1.5.19, as deployed in IBM Cloud Pak for Integration, contains an improper authentication weakness. The specific authentication mechanism affected and attack vector details are not yet available in public sources. Organizations should treat this as a medium-priority monitoring item pending IBM's detailed advisory and NVD analysis completion.

Defensive priority

medium

Recommended defensive actions

  • Monitor IBM security bulletin for patch release and version guidance
  • Review Aspera HSTS authentication configurations in CP4I deployments
  • Prepare inventory of CP4I installations running versions 1.5.1 through 1.5.19
  • Subscribe to IBM PSIRT notifications for updated CVSS scoring and remediation details

Evidence notes

Vendor identification derived from reference domain analysis (ibm.com) with low confidence flag pending review. CWE-287 (Improper Authentication) assigned by IBM PSIRT as primary weakness. No CVSS vector or CPE criteria available in source data.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-7876 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-7876

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-7876 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-7876

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.