CVE-2026-16346

CRITICALPre-NVD 9.99.9—
EchelonGraph scoreHIGH confidence

Score 9.9 from GitHub Security Advisory (severity: CRITICAL) published 2026-09-23. a secondary CVSS source baseline 9.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
9.9EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.9Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

IBM DataStage on Cloud Pak for Data 5.4.0.0 could allow a remote authenticated attacker to execute arbitrary commands due to improper neutralization of special elements used in an OS command.

CVSS v3
9.9
EG Score
9.9(high)
EG Risk
45(Track)
EG Risk 45/100SSVC: 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 computed
Severity99% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
49%
KEV
Not listed

Published

September 22, 2026

Last Modified

September 23, 2026

Advisory Details (1)

Auto-updated Sep 23, 2026
No patch confirmed yet.
generic

Security Bulletin: DataStage on Cloud Pak for Data has several vulnerabilities

https://www.ibm.com/support/pages/node/7288649

Vendor Advisories for CVE-2026-16346(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 17× in last 7d / 17× 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.

  1. 2026-09-24 02:52 UTCGHSA enrichment
  2. 2026-09-23 23:08 UTCGHSA enrichment
  3. 2026-09-23 19:18 UTCEG score recompute
  4. 2026-09-23 19:18 UTCGHSA enrichment
  5. 2026-09-23 19:05 UTCEG score recompute
  6. 2026-09-23 19:05 UTCGHSA enrichment
  7. 2026-09-23 18:25 UTCGHSA enrichment
  8. 2026-09-23 17:11 UTCEG score recompute
  9. 2026-09-23 17:11 UTCGHSA enrichment
  10. 2026-09-23 13:26 UTCGHSA enrichment
  11. 2026-09-23 09:43 UTCGHSA enrichment
  12. 2026-09-23 06:00 UTCGHSA enrichment
  13. 2026-09-23 02:17 UTCEG score recompute
  14. 2026-09-23 02:17 UTCGHSA enrichment
  15. 2026-09-22 22:34 UTCEG score recompute
  16. 2026-09-22 21:33 UTCEG score recompute
  17. 2026-09-22 21:32 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-16346?
CVE-2026-16346 is a critical vulnerability published on September 22, 2026. IBM DataStage on Cloud Pak for Data 5.4.0.0 could allow a remote authenticated attacker to execute arbitrary commands due to improper neutralization of special elements used in an OS command.
When was CVE-2026-16346 disclosed?
CVE-2026-16346 was first published in the National Vulnerability Database on September 22, 2026, with the most recent update on September 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-16346 actively exploited?
CVE-2026-16346 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 51.4% of all scored CVEs.
What is the CVSS score of CVE-2026-16346?
CVE-2026-16346 has a CVSS v3 base score of 9.9 (NVD).
How do I remediate CVE-2026-16346?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-16346, 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-2026-16346

Explore →

Is Your Infrastructure Affected by CVE-2026-16346?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Book a Demo →Browse All CVEs