VulnerabilityAnalyzed

CVE-2026-18505

IBM Financial Transaction Manager (FTM) for RedHat OpenShift is vulnerable to open redirect in the PMP `HostHeaderFilter` (`HostHeaderFilter.java:151`).

MEDIUM 5.4EPSS 0.25%

Does this matter?

Lower severity and a low EPSS score (0.25%). Track it; it rarely justifies an emergency change on its own.

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 3.1: 5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
EPSS: 0.25% probability · 16th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Weakness: CWE-601
Affected: ibm/financial transaction manager
Source: psirt@us.ibm.com

EPSS trend

EPSS moved from 0.1% on 24 September 2026 to 0.2% on 26 October 2026.

References

https://www.ibm.com/support/pages/node/7288641Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.