CVE-2026-16941

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreHIGH confidence

Score 4.3 from GitHub Security Advisory published 2026-09-04. A secondary CVSS source baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS: 4.3Exploit: None knownExposed services: Not assessed

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

IBM i 7.6, 7.5, and 7.4 could allow a remote authenticated attacker to modify certain system messages due to improper authorization.

CVSS v3
4.3
EG Score
4.3MEDIUMhigh confidence
EG Risk
19
EG Risk 19/100CISA SSVC

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
Severity43% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.
EPSS PROB
0.2%
EPSS %ILE
12th
KEV
Not listed

CISA SSVCTrack at every mission impact level.

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

September 4, 2026

Last Modified

September 10, 2026

Advisory Details (1)

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

Security Bulletin: IBM i is Affected By An Incorrect Authorization Vulnerability [CVE-2026-16941]

https://www.ibm.com/support/pages/node/7285848

Vendor Advisories for CVE-2026-16941(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 18× in last 7d / 76× 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. 2026-10-04 02:39 UTCEG score recompute
  2. 2026-10-04 02:39 UTCGHSA enrichment
  3. 2026-10-03 14:25 UTCEPSS rescore
  4. 2026-10-03 00:22 UTCEG score recompute
  5. 2026-10-03 00:22 UTCGHSA enrichment
  6. 2026-10-01 21:09 UTCEG score recompute
  7. 2026-10-01 21:09 UTCGHSA enrichment
  8. 2026-10-01 19:49 UTCEPSS rescore
  9. 2026-09-30 18:53 UTCEG score recompute
  10. 2026-09-30 18:53 UTCGHSA enrichment
  11. 2026-09-30 15:02 UTCEPSS rescore
  12. 2026-09-29 15:20 UTCEPSS rescore
  13. 2026-09-29 13:57 UTCEG score recompute
  14. 2026-09-29 13:57 UTCGHSA enrichment
  15. 2026-09-28 13:51 UTCEPSS rescore
  16. 2026-09-28 11:09 UTCEG score recompute
  17. 2026-09-28 11:09 UTCGHSA enrichment
  18. 2026-09-27 13:47 UTCEPSS rescore
  19. 2026-09-27 08:54 UTCEG score recompute
  20. 2026-09-27 08:54 UTCGHSA enrichment
  21. 2026-09-26 15:58 UTCEPSS rescore
  22. 2026-09-26 06:38 UTCEG score recompute
  23. 2026-09-26 06:38 UTCGHSA enrichment
  24. 2026-09-25 03:20 UTCEG score recompute
  25. 2026-09-25 03:20 UTCGHSA enrichment
Show 51 more
  1. 2026-09-24 01:04 UTCEG score recompute
  2. 2026-09-24 01:03 UTCGHSA enrichment
  3. 2026-09-22 22:48 UTCEG score recompute
  4. 2026-09-22 22:48 UTCGHSA enrichment
  5. 2026-09-21 20:32 UTCEG score recompute
  6. 2026-09-21 20:32 UTCGHSA enrichment
  7. 2026-09-20 18:16 UTCGHSA enrichment
  8. 2026-09-19 16:00 UTCEG score recompute
  9. 2026-09-19 16:00 UTCGHSA enrichment
  10. 2026-09-18 19:27 UTCEPSS rescore
  11. 2026-09-18 13:32 UTCEG score recompute
  12. 2026-09-18 13:32 UTCGHSA enrichment
  13. 2026-09-17 11:16 UTCEG score recompute
  14. 2026-09-17 11:16 UTCGHSA enrichment
  15. 2026-09-16 14:07 UTCEPSS rescore
  16. 2026-09-16 09:00 UTCEG score recompute
  17. 2026-09-16 09:00 UTCGHSA enrichment
  18. 2026-09-16 05:14 UTCEPSS rescore
  19. 2026-09-15 06:25 UTCEG score recompute
  20. 2026-09-15 06:25 UTCGHSA enrichment
  21. 2026-09-14 04:08 UTCEG score recompute
  22. 2026-09-14 04:08 UTCGHSA enrichment
  23. 2026-09-13 16:46 UTCEPSS rescore
  24. 2026-09-13 01:53 UTCEG score recompute
  25. 2026-09-13 01:53 UTCGHSA enrichment
  26. 2026-09-12 15:00 UTCEPSS rescore
  27. 2026-09-11 23:37 UTCEG score recompute
  28. 2026-09-11 23:37 UTCGHSA enrichment
  29. 2026-09-11 14:52 UTCEPSS rescore
  30. 2026-09-11 09:36 UTCEPSS rescore
  31. 2026-09-10 21:21 UTCEG score recompute
  32. 2026-09-10 21:21 UTCGHSA enrichment
  33. 2026-09-10 21:06 UTCEG score recompute
  34. 2026-09-10 21:06 UTCGHSA enrichment
  35. 2026-09-10 09:34 UTCEPSS rescore
  36. 2026-09-09 23:22 UTCEG score recompute
  37. 2026-09-09 23:22 UTCGHSA enrichment
  38. 2026-09-08 22:00 UTCEPSS rescore
  39. 2026-09-08 18:16 UTCGHSA enrichment
  40. 2026-09-08 15:13 UTCGHSA enrichment
  41. 2026-09-08 00:15 UTCEG score recompute
  42. 2026-09-08 00:15 UTCGHSA enrichment
  43. 2026-09-07 16:01 UTCEPSS rescore
  44. 2026-09-06 21:58 UTCEG score recompute
  45. 2026-09-06 21:58 UTCGHSA enrichment
  46. 2026-09-06 13:47 UTCEPSS rescore
  47. 2026-09-05 19:41 UTCEG score recompute
  48. 2026-09-05 19:41 UTCGHSA enrichment
  49. 2026-09-04 17:26 UTCEG score recompute
  50. 2026-09-04 16:44 UTCEG score recompute
  51. 2026-09-04 16:44 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-16941?
CVE-2026-16941 is a medium vulnerability published on September 4, 2026. IBM i 7.6, 7.5, and 7.4 could allow a remote authenticated attacker to modify certain system messages due to improper authorization.
When was CVE-2026-16941 disclosed?
CVE-2026-16941 was first published on September 4, 2026, with the most recent update on September 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-16941 actively exploited?
CVE-2026-16941 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (12th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-16941?
CVE-2026-16941 has a CVSS base score of 4.3 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-16941?
No fix for CVE-2026-16941 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-16941 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-16941

Explore →

Is Your Infrastructure Affected by CVE-2026-16941?

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

Book a Demo →Browse All CVEs