CVE-2026-13433

CRITICALNVD 9.69.6—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.6 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 98% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
9.6EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.6Exploit: None knownExposed: 0

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

IBM i Access Client Solutions 1.1.2.0 through 1.1.9.13 (ACS) is vulnerable to downloading unverified product code when configured to update from an IBM i. A bad actor could use this vulnerablity to run compromised code on the ACS user's workstation.

CVSS v3
9.6
EG Score
9.6(medium)
EG Risk
43(Track)
EG Risk 43/100SSVC: 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
Severity96% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
2%
KEV
Not listed

Published

August 12, 2026

Last Modified

August 18, 2026

Advisory Details (1)

Auto-updated Sep 14, 2026
No patch confirmed yet.
generic

Security Bulletin: IBM i Access Client Solutions (ACS) is Affected By Multiple Vulnerabilities

https://www.ibm.com/support/pages/node/7282954

Vendor Advisories for CVE-2026-13433(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 44× in last 7d / 187× 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.

Showing the most recent 100 of 229 total refreshes for this CVE.

  1. 2026-09-19 07:02 UTCGHSA enrichment
  2. 2026-09-19 02:32 UTCGHSA enrichment
  3. 2026-09-18 22:11 UTCEG score recompute
  4. 2026-09-18 22:11 UTCGHSA enrichment
  5. 2026-09-18 19:27 UTCEPSS rescore
  6. 2026-09-18 16:56 UTCGHSA enrichment
  7. 2026-09-18 11:29 UTCGHSA enrichment
  8. 2026-09-18 07:08 UTCGHSA enrichment
  9. 2026-09-18 02:48 UTCGHSA enrichment
  10. 2026-09-17 22:28 UTCEG score recompute
  11. 2026-09-17 22:28 UTCGHSA enrichment
  12. 2026-09-17 13:44 UTCGHSA enrichment
  13. 2026-09-17 08:57 UTCGHSA enrichment
  14. 2026-09-17 04:37 UTCGHSA enrichment
  15. 2026-09-17 00:16 UTCEG score recompute
  16. 2026-09-17 00:16 UTCGHSA enrichment
  17. 2026-09-16 10:49 UTCGHSA enrichment
  18. 2026-09-16 05:31 UTCEG score recompute
  19. 2026-09-16 05:31 UTCGHSA enrichment
  20. 2026-09-16 05:14 UTCEPSS rescore
  21. 2026-09-16 01:11 UTCGHSA enrichment
  22. 2026-09-15 20:14 UTCGHSA enrichment
  23. 2026-09-15 13:08 UTCGHSA enrichment
  24. 2026-09-15 06:36 UTCEG score recompute
  25. 2026-09-15 06:36 UTCGHSA enrichment
Show 75 more
  1. 2026-09-15 02:15 UTCGHSA enrichment
  2. 2026-09-14 21:47 UTCGHSA enrichment
  3. 2026-09-14 17:16 UTCGHSA enrichment
  4. 2026-09-14 12:56 UTCGHSA enrichment
  5. 2026-09-14 08:24 UTCGHSA enrichment
  6. 2026-09-14 04:03 UTCGHSA enrichment
  7. 2026-09-13 23:42 UTCGHSA enrichment
  8. 2026-09-13 19:22 UTCEG score recompute
  9. 2026-09-13 19:22 UTCGHSA enrichment
  10. 2026-09-13 16:46 UTCEPSS rescore
  11. 2026-09-13 15:01 UTCGHSA enrichment
  12. 2026-09-13 10:41 UTCGHSA enrichment
  13. 2026-09-13 06:20 UTCGHSA enrichment
  14. 2026-09-13 02:00 UTCGHSA enrichment
  15. 2026-09-12 21:39 UTCGHSA enrichment
  16. 2026-09-12 17:18 UTCEG score recompute
  17. 2026-09-12 17:18 UTCGHSA enrichment
  18. 2026-09-12 15:00 UTCEPSS rescore
  19. 2026-09-12 12:58 UTCGHSA enrichment
  20. 2026-09-12 08:37 UTCGHSA enrichment
  21. 2026-09-12 04:17 UTCGHSA enrichment
  22. 2026-09-11 23:56 UTCGHSA enrichment
  23. 2026-09-11 18:07 UTCEG score recompute
  24. 2026-09-11 18:07 UTCGHSA enrichment
  25. 2026-09-11 14:52 UTCEPSS rescore
  26. 2026-09-11 13:46 UTCGHSA enrichment
  27. 2026-09-11 06:00 UTCGHSA enrichment
  28. 2026-09-11 01:39 UTCGHSA enrichment
  29. 2026-09-10 21:18 UTCGHSA enrichment
  30. 2026-09-10 16:57 UTCGHSA enrichment
  31. 2026-09-10 12:33 UTCEG score recompute
  32. 2026-09-10 12:33 UTCGHSA enrichment
  33. 2026-09-10 09:34 UTCEPSS rescore
  34. 2026-09-10 06:15 UTCGHSA enrichment
  35. 2026-09-10 01:46 UTCGHSA enrichment
  36. 2026-09-09 17:49 UTCGHSA enrichment
  37. 2026-09-09 09:30 UTCGHSA enrichment
  38. 2026-09-09 05:10 UTCEG score recompute
  39. 2026-09-09 05:10 UTCGHSA enrichment
  40. 2026-09-08 22:00 UTCEPSS rescore
  41. 2026-09-08 06:32 UTCGHSA enrichment
  42. 2026-09-08 01:22 UTCGHSA enrichment
  43. 2026-09-07 21:02 UTCGHSA enrichment
  44. 2026-09-07 16:40 UTCEG score recompute
  45. 2026-09-07 16:40 UTCGHSA enrichment
  46. 2026-09-07 16:01 UTCEPSS rescore
  47. 2026-09-07 05:49 UTCGHSA enrichment
  48. 2026-09-07 01:22 UTCGHSA enrichment
  49. 2026-09-06 20:38 UTCGHSA enrichment
  50. 2026-09-06 16:17 UTCEG score recompute
  51. 2026-09-06 16:17 UTCGHSA enrichment
  52. 2026-09-06 13:47 UTCEPSS rescore
  53. 2026-09-06 11:48 UTCGHSA enrichment
  54. 2026-09-06 07:28 UTCGHSA enrichment
  55. 2026-09-06 03:05 UTCGHSA enrichment
  56. 2026-09-05 22:44 UTCGHSA enrichment
  57. 2026-09-05 18:22 UTCEG score recompute
  58. 2026-09-05 18:22 UTCGHSA enrichment
  59. 2026-09-05 13:53 UTCGHSA enrichment
  60. 2026-09-05 09:21 UTCGHSA enrichment
  61. 2026-09-05 05:00 UTCGHSA enrichment
  62. 2026-09-05 00:39 UTCGHSA enrichment
  63. 2026-09-04 16:43 UTCEG score recompute
  64. 2026-09-04 16:43 UTCGHSA enrichment
  65. 2026-09-04 12:18 UTCGHSA enrichment
  66. 2026-09-04 07:58 UTCEG score recompute
  67. 2026-09-04 07:58 UTCGHSA enrichment
  68. 2026-09-04 05:06 UTCEPSS rescore
  69. 2026-09-04 03:37 UTCGHSA enrichment
  70. 2026-09-03 23:15 UTCGHSA enrichment
  71. 2026-09-03 17:02 UTCGHSA enrichment
  72. 2026-09-03 12:40 UTCGHSA enrichment
  73. 2026-09-03 08:08 UTCGHSA enrichment
  74. 2026-09-03 03:48 UTCGHSA enrichment
  75. 2026-09-02 23:25 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-13433?
CVE-2026-13433 is a critical vulnerability published on August 12, 2026. IBM i Access Client Solutions 1.1.2.0 through 1.1.9.13 (ACS) is vulnerable to downloading unverified product code when configured to update from an IBM i. A bad actor could use this vulnerablity to run compromised code on the ACS user's workstation.
When was CVE-2026-13433 disclosed?
CVE-2026-13433 was first published in the National Vulnerability Database on August 12, 2026, with the most recent update on August 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-13433 actively exploited?
CVE-2026-13433 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 98.4% of all scored CVEs.
What is the CVSS score of CVE-2026-13433?
CVE-2026-13433 has a CVSS v3 base score of 9.6 (NVD).
How do I remediate CVE-2026-13433?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-13433, 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

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