Vulnerability · Published Sep 23, 2026 · Assigned by ibm

CVE-2026-18505IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities

Medium 5.4

In plain English

A medium-severity open redirect in Financial Transaction Manager (FTM) for RedHat OpenShift from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities).

Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.2%top 83.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
IBM Financial Transaction Manager (FTM) for RedHat OpenShift 4.0.6.0 – through 4.0.10.0

Weakness: CWE-601 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

References