CVE-2026-16689

MEDIUMNVD 5.56.2▲
EchelonGraph scoreHIGH confidence

Score 6.2 from GitHub Security Advisory published 2026-09-04. NVD baseline CVSS 5.5; sources differ by 0.7.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
6.2EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.5Exploit: None knownExposed: 0

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

IBM App Connect Enterprise 13.0.1.0 through 13.0.8.1, and 12.0.1.0 through 12.0.12.28 and IBM Integration Bus for z/OS 10.1.0.0 through 10.1.0.7 could allow a local attacker to obtain sensitive information due to improper logging of credentials.

CVSS v3
5.5
EG Score
6.2(high)
EG Risk
28(Track)
EG Risk 28/100SSVC: 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
Severity62% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
1%
KEV
Not listed

Published

September 4, 2026

Last Modified

September 8, 2026

Advisory Details (1)

Auto-updated Sep 4, 2026
No patch confirmed yet.
generic

Security Bulletin: IBM App Connect Enterprise and IBM Integration Bus for z/OS Adapter nodes are vulnerable to multiple CVEs

https://www.ibm.com/support/pages/node/7286372

Vendor Advisories for CVE-2026-16689(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 15× in last 7d / 46× 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. 2026-09-19 17:08 UTCEG score recompute
  2. 2026-09-19 17:08 UTCGHSA enrichment
  3. 2026-09-18 19:27 UTCEPSS rescore
  4. 2026-09-18 15:10 UTCEG score recompute
  5. 2026-09-18 15:10 UTCGHSA enrichment
  6. 2026-09-17 13:11 UTCEG score recompute
  7. 2026-09-17 13:11 UTCGHSA enrichment
  8. 2026-09-16 14:07 UTCEPSS rescore
  9. 2026-09-16 11:13 UTCEG score recompute
  10. 2026-09-16 11:13 UTCGHSA enrichment
  11. 2026-09-16 05:14 UTCEPSS rescore
  12. 2026-09-15 09:15 UTCEG score recompute
  13. 2026-09-15 09:15 UTCGHSA enrichment
  14. 2026-09-14 07:16 UTCEG score recompute
  15. 2026-09-14 07:16 UTCGHSA enrichment
  16. 2026-09-13 16:46 UTCEPSS rescore
  17. 2026-09-13 05:18 UTCEG score recompute
  18. 2026-09-13 05:18 UTCGHSA enrichment
  19. 2026-09-12 15:00 UTCEPSS rescore
  20. 2026-09-12 03:20 UTCEG score recompute
  21. 2026-09-12 03:20 UTCGHSA enrichment
  22. 2026-09-11 14:52 UTCEPSS rescore
  23. 2026-09-11 09:36 UTCEPSS rescore
  24. 2026-09-11 01:21 UTCEG score recompute
  25. 2026-09-11 01:21 UTCGHSA enrichment
Show 21 more
  1. 2026-09-10 09:34 UTCEPSS rescore
  2. 2026-09-09 23:22 UTCEG score recompute
  3. 2026-09-09 23:22 UTCGHSA enrichment
  4. 2026-09-08 22:00 UTCEPSS rescore
  5. 2026-09-08 19:57 UTCEG score recompute
  6. 2026-09-08 19:57 UTCGHSA enrichment
  7. 2026-09-08 18:29 UTCNVD updateCVSS v3 → 5.5
  8. 2026-09-08 18:16 UTCEG score recompute
  9. 2026-09-08 18:16 UTCGHSA enrichment
  10. 2026-09-08 15:13 UTCGHSA enrichment
  11. 2026-09-07 23:24 UTCEG score recompute
  12. 2026-09-07 23:24 UTCGHSA enrichment
  13. 2026-09-07 16:01 UTCEPSS rescore
  14. 2026-09-06 21:24 UTCEG score recompute
  15. 2026-09-06 21:23 UTCGHSA enrichment
  16. 2026-09-06 13:47 UTCEPSS rescore
  17. 2026-09-05 19:24 UTCEG score recompute
  18. 2026-09-05 19:24 UTCGHSA enrichment
  19. 2026-09-04 17:26 UTCEG score recompute
  20. 2026-09-04 16:44 UTCEG score recompute
  21. 2026-09-04 16:44 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-16689?
CVE-2026-16689 is a medium vulnerability published on September 4, 2026. IBM App Connect Enterprise 13.0.1.0 through 13.0.8.1, and 12.0.1.0 through 12.0.12.28 and IBM Integration Bus for z/OS 10.1.0.0 through 10.1.0.7 could allow a local attacker to obtain sensitive information due to improper logging of credentials.
When was CVE-2026-16689 disclosed?
CVE-2026-16689 was first published in the National Vulnerability Database on September 4, 2026, with the most recent update on September 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-16689 actively exploited?
CVE-2026-16689 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 98.5% of all scored CVEs.
What is the CVSS score of CVE-2026-16689?
CVE-2026-16689 has a CVSS v3 base score of 5.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 6.2.
How do I remediate CVE-2026-16689?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-16689, 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-2026-16689

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