Medium severity · published Sep 23, 2026
CVE-2026-18505
IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities
5.4
CVSS
0.2%
EPSS
No
On KEV
Description
IBM Financial Transaction Manager (FTM) for RedHat OpenShift is vulnerable to open redirect in the PMP `HostHeaderFilter` (`HostHeaderFilter.java:151`). An unauthenticated attacker can craft a request with a manipulated `Host` header to redirect authenticated operators to attacker-controlled sites, enabling credential phishing.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 16% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FT
Financial Transaction Manager (FTM) for RedHat OpenShift · IBM
4.0.6.0 through 4.0.10.0 · source: vendor
FT
Financial Transaction Manager · Ibm
4.0.7.0 before 4.0.11.0; 4.0.6.0; 4.0.6.0; 4.0.6.0; 4.0.6.0; 4.0.6.0; +2 more · source: NVD
Affected product
FT
Financial Transaction Manager (FTM) for RedHat OpenShift
IBM
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-18505
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-18505
Vendor Advisory
https://www.ibm.com/support/pages/node/7288641
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