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CVE-2026-18173 is an improper authentication vulnerability in IBM Financial Transaction Manager (FTM) for Red Hat OpenShift. The product does not properly enforce mutual TLS authentication, potentially allowing a remote party to access information protected by the mutual-authentication control. Affected releases include FTM 4.0.6.0 through 4.0.10.0, including specified 4.0.6.0 interim-fix builds.
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What an attacker gets, and what they’ve been doing with it.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An information-disclosure vulnerability in IBM Financial Transaction Manager (FTM) for Red Hat OpenShift caused by improper enforcement of mutual TLS authentication, potentially allowing a remote attacker to obtain sensitive information.
Improper mutual TLS authentication enforcement in IBM Financial Transaction Manager, allowing remote sensitive-information disclosure.
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.