CVE-2026-18161

Q: How do I fix CVE-2026-18161?

Upgrade financial transaction manager to 4.0.11.0 or later.

Q: Is CVE-2026-18161 being actively exploited?

Not that we know of. CVE-2026-18161 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.21% is the estimated probability that it will be exploited in the next 30 days. That is higher than 10% of all scored CVEs.

Q: How severe is CVE-2026-18161?

CVE-2026-18161 has a CVSS v3 base score of 4.3, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2026-18161 affect?

Published advisories record a fix for financial transaction manager (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

MEDIUM

4.3

CVSS v3

NVD

Description

IBM Financial Transaction Manager (FTM) for RedHat OpenShift could allow a remote authenticated attacker to falsify transaction audit logs due to improper validation of a client-supplied HTTP header.

CWE-778

How to fix

Remediation Available

financial transaction managerNVD

Affected:>= 4.0.7.0, < 4.0.11.0Fixed in:4.0.11.0CVE-2026-18161derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.21%probability of exploitation in 30 days

10thpercentile

Low risk: more likely to be exploited than 10% of all known CVEs.

References

Vendor Advisory1

ibm.com

Related Vulnerabilities

Other CWE-778 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-7613	High	7.5	1.3%	-	Fix
CVE-2019-19277	Medium	6.5	1.2%	-	Fix
CVE-2019-19295	Medium	4.3	1.1%	-	-
CVE-2026-66816	High	6.5	1.0%	-	Fix
CVE-2022-31120	Low	2.1	0.9%	-	Fix
CVE-2021-43419	High	7.5	0.7%	-	-

Common questions

How do I fix CVE-2026-18161?

Upgrade financial transaction manager to 4.0.11.0 or later.

Is CVE-2026-18161 being actively exploited?

Not that we know of. CVE-2026-18161 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.21% is the estimated probability that it will be exploited in the next 30 days. That is higher than 10% of all scored CVEs.

How severe is CVE-2026-18161?

CVE-2026-18161 has a CVSS v3 base score of 4.3, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2026-18161 affect?

Published advisories record a fix for financial transaction manager (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2026-18161

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-10-06.