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CVE-2026-3628: IBM Concert 1.0 through 3.0.0 allows information disclosure through exposure of schema suggestions.

30
Routine
MEDIUM 5.3REMOTE

CVE-2026-3628 is a medium-severity flaw (CVSS 5.3) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

IBM Concert 1.0 through 3.0.0 allows information disclosure through exposure of schema suggestions.

Why this priority

  • Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score5.3 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance0.3% (top 75%)
CISA exploited listNo
WeaknessCWE-209
Published2026-10-19
Last modified2026-10-22
Publisher (CNA): IBM Corporation

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Last updated 2026-10-22 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Timeline

Exact fixes by distribution

Fedora 46 · diffoscope · FIXED · 335-1.fc46 · FEDORA-2026-e4c4cc0856 · source
sudo dnf upgrade --advisory=FEDORA-2026-e4c4cc0856
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-3628?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2026-3628 being exploited?

CVE-2026-3628 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-3628 affect?

CVE-2026-3628 affects affected software. Severity is medium (CVSS 5.3). IBM Concert 1.0 through 3.0.0 allows information disclosure through exposure of schema suggestions.

How urgent is CVE-2026-3628?

Priority 30/100. Remotely exploitable, no login, no user action

References

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