CVE-2026-16956

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-12. a secondary CVSS source baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.8Exploit: None knownExposed: 0

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

IBM Db2 Mirror for i 7.4, 7.5, and 7.6 could allow a remote attacker to execute arbitrary commands due to improper neutralization of special elements used in an OS command.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
60(Track)
EG Risk 60/100SSVC: 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
Severity98% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
61%
KEV
Not listed

Published

August 12, 2026

Last Modified

August 13, 2026

Advisory Details (1)

Auto-updated Aug 20, 2026
No patch confirmed yet.
generic

Security Bulletin: IBM Db2 Mirror for i is vulnerable to OS command injection [CVE-2026-16956]

https://www.ibm.com/support/pages/node/7283281

Vendor Advisories for CVE-2026-16956(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 58× in last 7d / 77× 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. 2026-08-21 05:17 UTCGHSA enrichment
  2. 2026-08-21 01:29 UTCEG score recompute
  3. 2026-08-21 01:29 UTCGHSA enrichment
  4. 2026-08-20 22:55 UTCEPSS rescore
  5. 2026-08-20 21:41 UTCGHSA enrichment
  6. 2026-08-20 17:53 UTCGHSA enrichment
  7. 2026-08-20 14:05 UTCGHSA enrichment
  8. 2026-08-20 09:48 UTCGHSA enrichment
  9. 2026-08-20 06:00 UTCGHSA enrichment
  10. 2026-08-20 02:12 UTCGHSA enrichment
  11. 2026-08-19 22:24 UTCGHSA enrichment
  12. 2026-08-19 18:36 UTCEG score recompute
  13. 2026-08-19 18:36 UTCGHSA enrichment
  14. 2026-08-19 17:03 UTCEPSS rescore
  15. 2026-08-19 14:36 UTCGHSA enrichment
  16. 2026-08-19 10:41 UTCGHSA enrichment
  17. 2026-08-19 06:45 UTCGHSA enrichment
  18. 2026-08-19 02:55 UTCGHSA enrichment
  19. 2026-08-18 22:49 UTCGHSA enrichment
  20. 2026-08-18 19:02 UTCGHSA enrichment
  21. 2026-08-18 15:13 UTCEG score recompute
  22. 2026-08-18 15:13 UTCGHSA enrichment
  23. 2026-08-18 13:48 UTCEPSS rescore
  24. 2026-08-18 11:09 UTCGHSA enrichment
  25. 2026-08-18 07:15 UTCGHSA enrichment
Show 52 more
  1. 2026-08-18 03:27 UTCGHSA enrichment
  2. 2026-08-17 23:36 UTCGHSA enrichment
  3. 2026-08-17 19:47 UTCGHSA enrichment
  4. 2026-08-17 15:58 UTCEG score recompute
  5. 2026-08-17 15:58 UTCGHSA enrichment
  6. 2026-08-17 13:47 UTCEPSS rescore
  7. 2026-08-17 12:10 UTCGHSA enrichment
  8. 2026-08-17 08:22 UTCGHSA enrichment
  9. 2026-08-17 04:34 UTCGHSA enrichment
  10. 2026-08-17 00:46 UTCGHSA enrichment
  11. 2026-08-16 20:58 UTCGHSA enrichment
  12. 2026-08-16 17:10 UTCEG score recompute
  13. 2026-08-16 17:10 UTCGHSA enrichment
  14. 2026-08-16 14:56 UTCEPSS rescore
  15. 2026-08-16 13:22 UTCGHSA enrichment
  16. 2026-08-16 09:33 UTCGHSA enrichment
  17. 2026-08-16 05:45 UTCEG score recompute
  18. 2026-08-16 05:45 UTCGHSA enrichment
  19. 2026-08-16 02:14 UTCEPSS rescore
  20. 2026-08-16 01:58 UTCGHSA enrichment
  21. 2026-08-15 22:10 UTCGHSA enrichment
  22. 2026-08-15 18:22 UTCGHSA enrichment
  23. 2026-08-15 14:34 UTCGHSA enrichment
  24. 2026-08-15 10:46 UTCGHSA enrichment
  25. 2026-08-15 06:58 UTCGHSA enrichment
  26. 2026-08-15 03:10 UTCEG score recompute
  27. 2026-08-15 03:10 UTCGHSA enrichment
  28. 2026-08-15 01:30 UTCEPSS rescore
  29. 2026-08-14 23:21 UTCGHSA enrichment
  30. 2026-08-14 19:33 UTCGHSA enrichment
  31. 2026-08-14 15:45 UTCGHSA enrichment
  32. 2026-08-14 11:57 UTCGHSA enrichment
  33. 2026-08-14 08:10 UTCGHSA enrichment
  34. 2026-08-14 04:22 UTCGHSA enrichment
  35. 2026-08-14 00:34 UTCEG score recompute
  36. 2026-08-14 00:34 UTCGHSA enrichment
  37. 2026-08-13 22:00 UTCEPSS rescore
  38. 2026-08-13 20:45 UTCGHSA enrichment
  39. 2026-08-13 16:57 UTCGHSA enrichment
  40. 2026-08-13 16:02 UTCGHSA enrichment
  41. 2026-08-13 12:12 UTCGHSA enrichment
  42. 2026-08-13 08:25 UTCGHSA enrichment
  43. 2026-08-13 04:36 UTCGHSA enrichment
  44. 2026-08-13 00:48 UTCGHSA enrichment
  45. 2026-08-12 21:00 UTCGHSA enrichment
  46. 2026-08-12 20:20 UTCEG score recompute
  47. 2026-08-12 20:20 UTCGHSA enrichment
  48. 2026-08-12 19:46 UTCEG score recompute
  49. 2026-08-12 19:46 UTCGHSA enrichment
  50. 2026-08-12 18:18 UTCEG score recompute
  51. 2026-08-12 17:51 UTCEG score recompute
  52. 2026-08-12 17:50 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-16956?
CVE-2026-16956 is a critical vulnerability published on August 12, 2026. IBM Db2 Mirror for i 7.4, 7.5, and 7.6 could allow a remote attacker to execute arbitrary commands due to improper neutralization of special elements used in an OS command.
When was CVE-2026-16956 disclosed?
CVE-2026-16956 was first published in the National Vulnerability Database on August 12, 2026, with the most recent update on August 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-16956 actively exploited?
CVE-2026-16956 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 38.5% of all scored CVEs.
What is the CVSS score of CVE-2026-16956?
CVE-2026-16956 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-16956?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-16956, 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-2026-16956

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