IBM Financial Transaction Manager (FTM) for RedHat OpenShift is vulnerable to RAG poisoning via unauthenticated runbook upsert (CWE-74) in the FTM AI agent server (api.vectordb.runbooks.js:51). An unauthenticated attacker can insert malicious runbook content into the agent's vector database to steer AI-driven MCP tool calls, potentially triggering unauthorized payment actions or exfiltrating payment data.
CVE-2026-18875
HIGHPre-NVD 7.37.3—Trending — 3 sources updated this week
EchelonGraph scoreHIGH confidence
Score 7.3 from GitHub Security Advisory (severity: HIGH) published 2026-09-23. a secondary CVSS source baseline 7.3; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: ghsa, secondary
7.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: —CVSS: 7.3Exploit: None knownExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.3
- EG Score
- 7.3(high)
- EG Risk
- 48(Track)EG Risk 48/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity73% × 45%Exploitation0% × 40%Automatability100% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- —
- EPSS %ILE
- —
- KEV
- Not listed
Published
September 23, 2026
Last Modified
September 23, 2026
Advisory Details (1)
Auto-updated Sep 23, 2026No patch confirmed yet.
generic
Security Bulletin: IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities
https://www.ibm.com/support/pages/node/7288641Vendor Advisories for CVE-2026-18875(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 7× in last 7d / 7× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-09-23 19:18 UTCEG score recompute
- 2026-09-23 19:18 UTCGHSA enrichment
- 2026-09-23 19:05 UTCEG score recompute
- 2026-09-23 19:04 UTCGHSA enrichment
- 2026-09-23 16:17 UTCEG score recompute
- 2026-09-23 15:54 UTCEG score recompute
- 2026-09-23 15:54 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Frequently asked(4)
What is CVE-2026-18875?
CVE-2026-18875 is a high vulnerability published on September 23, 2026. IBM Financial Transaction Manager (FTM) for RedHat OpenShift is vulnerable to RAG poisoning via unauthenticated runbook upsert (CWE-74) in the FTM AI agent server (api.vectordb.runbooks.js:51). An unauthenticated attacker can insert malicious runbook content into the agent's vector database to…
When was CVE-2026-18875 disclosed?
CVE-2026-18875 was first published in the National Vulnerability Database on September 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
What is the CVSS score of CVE-2026-18875?
CVE-2026-18875 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2026-18875?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-18875, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-18875
Is Your Infrastructure Affected by CVE-2026-18875?
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