How severe is CVE-2026-17620?

CVE-2026-17620 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-17620 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-17620?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-17620 published?

CVE-2026-17620 was published on 2026-09-22 and last updated on 2026-09-23.

CVE-2026-17620

CVE-2026-17620 is a medium-severity vulnerability with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-523.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-523
Published: 2026-09-22
Last modified: 2026-09-23

Description

IBM Financial Transaction Manager (FTM) for RedHat OpenShift 4.0.6.0 through 4.0.6.0.0.6.0 Refresh (Operator 4.4.6+20260807.081800)4.0.7.04.0.8.04.0.9.04.0.10.0 Interim Fix 064 IBM Financial Transaction Manager transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors.

Frequently asked questions

What is CVE-2026-17620?: IBM Financial Transaction Manager (FTM) for RedHat OpenShift 4.0.6.0 through 4.0.6.0.0.6.0 Refresh (Operator 4.4.6+20260807.081800)4.0.7.04.0.8.04.0.9.04.0.10.0 Interim Fix 064 IBM Financial Transaction Manager transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors.
How severe is CVE-2026-17620?: CVE-2026-17620 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-17620 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-17620?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-17620 published?: CVE-2026-17620 was published on 2026-09-22 and last updated on 2026-09-23.

References

https://www.ibm.com/support/pages/node/7288641

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