EUVD-2026-84966
GHSA-p98j-qjcq-4j29
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Network-reachable, low-complexity out-of-bounds write requiring only a low-privilege authenticated account (PR:L), yielding code execution with full C/I/A impact within one security scope.
Primary rating from Vendor (ibm).
CVSS VectorVendor: ibm
Lifecycle Timeline
3DescriptionCVE.org
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.
AnalysisAI
Remote code execution in IBM FTM for Red Hat OpenShift is possible when an authenticated attacker submits a manipulated quantity value to a vulnerable feature, causing an out-of-bounds write (CWE-787) that can lead to arbitrary code execution. The CVSS 3.1 base score of 8.8 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) reflects a network-reachable, low-complexity flaw requiring low privileges and no user interaction, with full confidentiality, integrity, and availability impact. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid authenticated FTM account (PR:L) with network access to the IBM Financial Transaction Manager for RedHat OpenShift instance; the attacker then submits input to the affected feature with a manipulated 'specified quantity' (length/count) value that bypasses proper validation to trigger the out-of-bounds write. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 base score of 8.8 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) reflects a network-reachable, low-complexity flaw that a low-privileged authenticated attacker can leverage for full confidentiality, integrity, and availability loss via arbitrary code execution. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply the vendor patch referenced in IBM support node 7288641 as the primary remediation; the provided data confirms patch availability but does not include an exact fixed version, so verify the appropriate release or fix pack from the advisory. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all IBM FTM for Red Hat OpenShift instances and confirm exposure to CVE-2026-17636; restrict network access to the vulnerable feature and enforce least privilege for accounts that can submit quantity values. …
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Same weakness CWE-787 – Out-of-bounds Write
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External POC / Exploit Code
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