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CVE-2026-17637 is an insecure deserialization vulnerability in IBM Financial Transaction Manager (FTM) for Red Hat OpenShift. The product deserializes untrusted data, enabling an adjacent-network attacker to execute arbitrary code. Affected releases include FTM 4.0.6.0 through 4.0.10.0, including specified 4.0.6.0 iFix6 builds.
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Patch, then assume compromise.
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No public exploit code observed for this vulnerability.
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A deserialization-of-untrusted-data vulnerability in IBM Financial Transaction Manager for Red Hat OpenShift that could allow an adjacent-network attacker to execute arbitrary code.
An unsafe deserialization vulnerability in IBM Financial Transaction Manager (FTM) for Red Hat OpenShift that could permit an adjacent-network, unauthenticated attacker to execute arbitrary code. The listed CVSS v3.1 vector is AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, indicating high impact to confidentiality, integrity, and availability.
Deserialization of untrusted data permits arbitrary code execution by an adjacent-network attacker against IBM Financial Transaction Manager.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.