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CVE-2026-18184

HIGH 7.4

Published 2026-09-23 · Last modified 2026-09-23

IBM Financial Transaction Manager (FTM) for RedHat OpenShift could allow a remote attacker to obtain sensitive information due to an XML external entity (XXE) injection flaw.

ELEVATED IMPACT

Severe if exploited (CVSS 7.4), but no known exploitation and low modeled probability. Patch on a normal cadence.

Exploitation likelihood

0.2%chance of exploitation in 30 days · 12th percentile

○ In CISA KEV ○ Public exploit / PoC

Impact if exploited

7.4CVSS 3.1 · HIGH

  • ConfidentialityHigh
  • IntegrityNone
  • AvailabilityNone

What an attacker needs

  • ⚠Access: Must sit on the same / adjacent network
  • ✓Privileges: No account or privileges required
  • ✓User interaction: No user interaction needed
  • ✓Complexity: No special conditions — reliably repeatable

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept & exploit code

Test against your own equipment

curl -s https://vulnpedia.com/cve/CVE-2026-18184/poc.jsonMachine-readable PoC index for this CVE (for automation).

Listed for defensive triage, patch verification, and authorized testing on systems you own. Machine-readable: /cve/CVE-2026-18184/poc.json

Affected

Vendors Ibm Redhat

Products Financial Transaction Manager (Ftm) For Redhat Openshift Financial Transaction Manager Openshift

Weakness (CWE)

  • CWE-611: Improper Restriction of XML External Entity Reference

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Known Affected Software Configurations

VendorProductVersion range
IbmFinancial Transaction Manager≥ 4.0.7.0 and < 4.0.11.0
IbmFinancial Transaction Manager4.0.6.0
IbmFinancial Transaction Manager4.0.6.0
IbmFinancial Transaction Manager4.0.6.0
IbmFinancial Transaction Manager4.0.6.0
IbmFinancial Transaction Manager4.0.6.0
IbmFinancial Transaction Manager4.0.6.0
IbmFinancial Transaction Manager4.0.6.0

All CVSS metrics

  • HIGH 7.4 v3.1 · CNA Primary
    CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
  • HIGH 7.4 v3.1 · NVD Secondary
    CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

References

Patches & mitigations

Sources: NVD · CVE.org · EPSS