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CVE-2026-17635

IBM Financial Transaction Manager authentication bypass

9.1 CRITICALEPSS 0.35%
  1. Published22 Sept 2026

Description

IBM Financial Transaction Manager (FTM) for RedHat OpenShift could allow a remote attacker to perform unauthorized actions due to improper configuration of HTTP method-based security constraints.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

IBM Financial Transaction Manager≥ 4.0.7.0 < 4.0.11.0 · 4.0.6.0

Remediation

Fixed in
IBM Financial Transaction Manager≥ 4.0.11.0

References

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Frequently asked

Is CVE-2026-17635 being actively exploited?

CVE-2026-17635 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.35%.

How severe is CVE-2026-17635?

CVE-2026-17635 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 0.35% probability of exploitation.

Which products are affected by CVE-2026-17635?

Affected products include IBM Financial Transaction Manager.

How do I fix CVE-2026-17635?

Upgrade affected software to a fixed version, for example IBM Financial Transaction Manager 4.0.11.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-17635 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.