IBM FTM/RH OpenShift Remote Auth RCE via Quantity Validation
CVE-2026-17636 Published on September 22, 2026
IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities
IBM Financial Transaction Manager (FTM) for RedHat OpenShift could allow a remote authenticated attacker to execute arbitrary code due to improper validation of a specified quantity.
Vulnerability Analysis
CVE-2026-17636 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is a Memory Corruption Vulnerability?
The software writes data past the end, or before the beginning, of the intended buffer. Typically, this can result in corruption of data, a crash, or code execution. The software may modify an index or perform pointer arithmetic that references a memory location that is outside of the boundaries of the buffer. A subsequent write operation then produces undefined or unexpected results.
CVE-2026-17636 has been classified to as a Memory Corruption vulnerability or weakness.
Products Associated with CVE-2026-17636
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Affected Versions
IBM Financial Transaction Manager (FTM) for RedHat OpenShift:- Version 4.0.6.0, <= 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 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.