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Critical severity · published Sep 23, 2026
CVE-2026-18872
IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities
9.3
CVSS
0.3%
EPSS
No
On KEV
Description
IBM Financial Transaction Manager (FTM) for RedHat OpenShift is vulnerable to stored cross-site scripting (CWE-79) in the FTM UI NetworkAcknowledgement React component (NetworkAcknowledgement.jsx:42). A malicious actor can inject script into stored network acknowledgement data that executes in authenticated operator browsers, enabling session hijacking and unauthorized operator-level payment actions.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 24% 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-2026-18872
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-18872
Vendor Advisory
https://www.ibm.com/support/pages/node/7288641
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