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PatchSiren cyber security CVE debrief

CVE-2026-3628 IBM CVE debrief

IBM Concert Software Information Disclosure vulnerability allows exposure of schema suggestions. Defenders should assess exposure, prioritize remediation, and verify affected versions. This vulnerability has a CVSS score of 5.3 and medium severity, indicating a need for prompt inventory checks and remediation planning. Affected deployments require verification, and defenders should review vendor advisories for patching guidance. The vulnerability's impact is primarily informational, allowing schema suggestions to be exposed.

Vendor
IBM
Product
Concert
CVSS
MEDIUM 5.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-19
Original CVE updated
2026-10-22
Advisory published
2026-10-19
Advisory updated
2026-10-22

Who should care

Defenders responsible for IBM Concert deployments should assess exposure and prioritize remediation. This includes operators managing IBM Concert, platform administrators, vulnerability management teams, and security teams. They should verify affected versions, review vendor advisories, and plan for remediation or mitigation strategies.

Why it matters

The vulnerability allows information disclosure through exposure of schema suggestions in IBM Concert 1.0 through 3.0.0. Defenders should assess exposure, prioritize remediation, and verify affected versions.

  • Verify affected versions and scope of exposure
  • Inventory checks for IBM Concert versions 1.0.0 through 3.0.0
  • Review and apply vendor advisory for patching

Technical summary

IBM Concert 1.0 through 3.0.0 allows information disclosure through exposure of schema suggestions. The vulnerability has a CVSS score of 5.3 and a medium severity. This indicates that while the vulnerability is not highly severe, it still requires attention for inventory checks and remediation planning. Defenders should focus on verifying affected versions and applying vendor patches.

Defensive priority

Medium priority for inventory checks and remediation

Recommended defensive actions

  • Inventory checks for IBM Concert versions 1.0.0 through 3.0.0
  • Review and apply vendor advisory for patching
  • Verify affected versions and scope of exposure

Evidence notes

The CVE record and source item provide limited information about the vulnerability. The vendor advisory is available but its details are not specified.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-3628 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-3628

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

  • CVE-2026-3628 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-3628

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

Supplemental references

  • IBM Concert Software Information Disclosure

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/3xxx/CVE-2026-3628.json

    cve_program_cvelist_v5

  • Source reference

    Unverified legacy reference

    URL: https://www.ibm.com/support/pages/node/7292374

    Supplemental source - vendor-advisory, patch

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.