Open Redirect in Ibm Financial Transaction Manager (CVE-2026-18505)
Summary
Vulnerability in Ibm Financial Transaction Manager (CVE-2026-18505). Risk of unauthorized operations or information disclosure. Exploitable via HostHeaderFilter.
Original description
The description as published by the source.
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.
Source: NIST National Vulnerability Database NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2026-18505 has been found in Ibm Financial Transaction Manager.
Attackers can target a specific entry point like HostHeaderFilter over the network to misuse the product.
Risk of unauthorized operations or information disclosure. CVSS score: 5.4/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "Ibm Financial Transaction Manager CVE-2026-18505" on the vendor's site.
CVE-2026-18505 (Ibm Financial Transaction Manager) — CWE-601 / CVSS v3 5.4
Attack vector: remote (network-reachable) / unauthenticated
Attack surface: HostHeaderFilter / Host
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
A vulnerability (CWE-601) exists in Ibm Financial Transaction Manager. Attackers reach the vulnerable code path via HostHeaderFilter without authentication.
Check the vendor advisory for the affected versions of Ibm Financial Transaction Manager. Attack surface: HostHeaderFilter / Host.
Severity: Medium (CVSS 5.4/10). Risk of unauthorized operations or information disclosure.
Update to the patched release per vendor advisory.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで Ibm Financial Transaction Manager を使っているサービスとバージョンを洗い出す。
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2Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
References
- patch psirt@us.ibm.com
- web nvd.nist.gov
- web github.com